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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_K196K48I138K_us-gaap_StatementOfFinancialPositionAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_StatementOfFinancialPositionAbstract" xml:lang="en-US">Balance Sheets [Abstract]</label>
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<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InterestBearingDepositsInBanks" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InterestBearingDepositsInBanks"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashCashEquivalentsAndFederalFundsSold" xlink:label="loc_K196K48I138K_us-gaap_CashCashEquivalentsAndFederalFundsSold" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CashCashEquivalentsAndFederalFundsSold" xml:lang="en-US">Cash, Cash Equivalents, and Federal Funds Sold</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_CashCashEquivalentsAndFederalFundsSold" xml:lang="en-US">Total cash and cash equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_CashCashEquivalentsAndFederalFundsSold" xml:lang="en-US">Total cash and cash equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_M318M60K350M_us-gaap_CashCashEquivalentsAndFederalFundsSold" xml:lang="en-US">Cash and cash equivalents</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_CashCashEquivalentsAndFederalFundsSold" xlink:to="lab_M318M60K350M_us-gaap_CashCashEquivalentsAndFederalFundsSold"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MarketableSecuritiesAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_MarketableSecuritiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MarketableSecuritiesAbstract" xml:lang="en-US">Marketable Securities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MarketableSecuritiesAbstract" xml:lang="en-US">Investment securities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_MarketableSecuritiesAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_MarketableSecuritiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_K196K48I138K_us-gaap_AvailableForSaleSecurities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleSecurities" xml:lang="en-US">Investment Securities Available For Sale</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleSecurities" xml:lang="en-US">Investment securities available for sale, Carrying Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleSecurities" xml:lang="en-US">Investment securities available for sale</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleSecurities" xml:lang="en-US">Investment securities available for sale, Value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AvailableForSaleSecurities" xlink:to="lab_M318M60K350M_us-gaap_AvailableForSaleSecurities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherInvestments" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OtherInvestments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherInvestments" xml:lang="en-US">Other Investments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherInvestments" xml:lang="en-US">Other investments, at cost, Carrying value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherInvestments" xml:lang="en-US">Other investments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/zeroLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherInvestments" xml:lang="en-US">Other investments, at cost, Carrying Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherInvestments" xml:lang="en-US">Total other investments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_OtherInvestments" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OtherInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MarketableSecurities" xlink:label="loc_K196K48I138K_us-gaap_MarketableSecurities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_MarketableSecurities" xml:lang="en-US">Marketable Securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_MarketableSecurities" xml:lang="en-US">Total investment securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_MarketableSecurities" xml:lang="en-US">Total investment securities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_MarketableSecurities" xlink:to="lab_M318M60K350M_us-gaap_MarketableSecurities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansReceivableHeldForSaleAmount" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LoansReceivableHeldForSaleAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableHeldForSaleAmount" xml:lang="en-US">Loans Receivable Held-for-sale, Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableHeldForSaleAmount" xml:lang="en-US">Mortgage loans held for sale</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableHeldForSaleAmount" xml:lang="en-US">Loans held for sale, Carrying value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/zeroLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableHeldForSaleAmount" xml:lang="en-US">Mortgage loans held for sale, Carrying Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableHeldForSaleAmount" xml:lang="en-US">Mortgage loans held for sale, Carrying value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LoansReceivableHeldForSaleAmount" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableHeldForSaleAmount"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome" xlink:label="loc_K196K48I138K_us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome" xml:lang="en-US">Loans and Leases Receivable, Net of Deferred Income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome" xml:lang="en-US">Total gross loans, net of deferred fees</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome" xml:lang="en-US">Loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome" xml:lang="en-US">Total gross loans, net of deferred fees</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome" xml:lang="en-US">Total gross loans, net of deferred fees</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome" xlink:to="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableAllowance" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LoansAndLeasesReceivableAllowance" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansAndLeasesReceivableAllowance" xml:lang="en-US">Loans and Leases Receivable, Allowance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansAndLeasesReceivableAllowance" xml:lang="en-US">Less allowance for loan losses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansAndLeasesReceivableAllowance" xml:lang="en-US">Less allowance for loan losses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansAndLeasesReceivableAllowance" xml:lang="en-US">Less - allowance for loan losses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LoansAndLeasesReceivableAllowance" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LoansAndLeasesReceivableAllowance"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableNetReportedAmount" xlink:label="loc_K196K48I138K_us-gaap_LoansAndLeasesReceivableNetReportedAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetReportedAmount" xml:lang="en-US">Loans and Leases Receivable, Net Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetReportedAmount" xml:lang="en-US">Total loans, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetReportedAmount" xml:lang="en-US">Loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/zeroLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetReportedAmount" xml:lang="en-US">Total loans, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetReportedAmount" xml:lang="en-US">Loans, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LoansAndLeasesReceivableNetReportedAmount" xlink:to="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetReportedAmount"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BankOwnedLifeInsurance" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_BankOwnedLifeInsurance" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_BankOwnedLifeInsurance" xml:lang="en-US">Bank Owned Life Insurance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_BankOwnedLifeInsurance" xml:lang="en-US">Bank owned life insurance</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_BankOwnedLifeInsurance" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_BankOwnedLifeInsurance"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_K196K48I138K_us-gaap_PropertyPlantAndEquipmentNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US">Property, Plant and Equipment, Net, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US">Property and equipment, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US">Total property and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US">Property, Plant and Equipment, Net, Beginning Balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US">Property, Plant and Equipment, Net, Ending Balance</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PropertyPlantAndEquipmentNet" xlink:to="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DeferredTaxAssetsLiabilitiesNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DeferredTaxAssetsLiabilitiesNet" xml:lang="en-US">Deferred Tax Assets, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DeferredTaxAssetsLiabilitiesNet" xml:lang="en-US">Deferred income taxes, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DeferredTaxAssetsLiabilitiesNet" xml:lang="en-US">Net deferred tax asset</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssets" xlink:label="loc_K196K48I138K_us-gaap_OtherAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_OtherAssets" xml:lang="en-US">Other Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherAssets" xml:lang="en-US">Other assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherAssets" xml:lang="en-US">Other Assets, Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_OtherAssets" xlink:to="lab_M318M60K350M_us-gaap_OtherAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_Assets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Assets" xml:lang="en-US">Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Assets" xml:lang="en-US">Total assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Assets" xml:lang="en-US">Total assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Assets" xml:lang="en-US">Total assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_Assets" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_Assets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_K196K48I138K_us-gaap_LiabilitiesAndStockholdersEquityAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US">Liabilities and Equity [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US">Liabilities and Shareholders' Equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US">LIABILITIES</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="lab_M318M60K350M_us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Deposits" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_Deposits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Deposits" xml:lang="en-US">Deposits, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Deposits" xml:lang="en-US">Deposits, Carrying value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Deposits" xml:lang="en-US">Deposits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/zeroLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Deposits" xml:lang="en-US">Deposits, Carrying Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Deposits" xml:lang="en-US">Total deposits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/exampleGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Deposits" xml:lang="en-US">Deposits, Carrying Amount</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesAndRepurchaseAgreements" xlink:label="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesAndRepurchaseAgreements" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesAndRepurchaseAgreements" xml:lang="en-US">Federal Home Loan Bank Advances and Repurchase Agreements</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesAndRepurchaseAgreements" xml:lang="en-US">Federal Home Loan Bank advances and other borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesAndRepurchaseAgreements" xml:lang="en-US">Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages and repurchase agreements.</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_JuniorSubordinatedNotes" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_JuniorSubordinatedNotes" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_JuniorSubordinatedNotes" xml:lang="en-US">Junior subordinated debentures</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_JuniorSubordinatedNotes" xml:lang="en-US">Junior subordinated debentures</label>
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<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_JuniorSubordinatedNotes" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_JuniorSubordinatedNotes"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilities" xlink:label="loc_K196K48I138K_us-gaap_OtherLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_OtherLiabilities" xml:lang="en-US">Other Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherLiabilities" xml:lang="en-US">Other liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherLiabilities" xml:lang="en-US">Other Liabilities, Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_OtherLiabilities" xlink:to="lab_M318M60K350M_us-gaap_OtherLiabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_Liabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Liabilities" xml:lang="en-US">Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Liabilities" xml:lang="en-US">Total liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Liabilities" xml:lang="en-US">Total liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_Liabilities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_Liabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_K196K48I138K_us-gaap_StockholdersEquityAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_StockholdersEquityAbstract" xml:lang="en-US">Stockholders Equity Attributable To Parent [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_StockholdersEquityAbstract" xml:lang="en-US">SHAREHOLDERS' EQUITY</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_StockholdersEquityAbstract" xlink:to="lab_M318M60K350M_us-gaap_StockholdersEquityAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockValueOutstanding" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PreferredStockValueOutstanding" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PreferredStockValueOutstanding" xml:lang="en-US">Preferred Stock, Value, Outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PreferredStockValueOutstanding" xml:lang="en-US">Preferred stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PreferredStockValueOutstanding" xml:lang="en-US">Preferred stock, par value $.01 per share, 10,000,000 shares authorized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PreferredStockValueOutstanding" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PreferredStockValueOutstanding"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockValueOutstanding" xlink:label="loc_K196K48I138K_us-gaap_CommonStockValueOutstanding" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CommonStockValueOutstanding" xml:lang="en-US">Common Stock, Value, Outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_CommonStockValueOutstanding" xml:lang="en-US">Common equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_CommonStockValueOutstanding" xml:lang="en-US">Common stock, par value $.01 per share, 10,000,000 shares authorized, 7,347,851 and 6,463,789 shares issued and outstanding at December 31, 2017 and 2016, respectively</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_CommonStockValueOutstanding" xlink:to="lab_M318M60K350M_us-gaap_CommonStockValueOutstanding"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NonvestedRestrictedStockValue" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_NonvestedRestrictedStockValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonvestedRestrictedStockValue" xml:lang="en-US">Nonvested Restricted Stock, Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonvestedRestrictedStockValue" xml:lang="en-US">Nonvested restricted stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonvestedRestrictedStockValue" xml:lang="en-US">Aggregate value of restricted common stock, which are yet to be vested.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonvestedRestrictedStockValue" xml:lang="en-US">Nonvested restricted stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_NonvestedRestrictedStockValue" xlink:to="lab_0J8HJH6K61II107LH824_sfst_NonvestedRestrictedStockValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_K196K48I138K_us-gaap_AdditionalPaidInCapital" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AdditionalPaidInCapital" xml:lang="en-US">Additional Paid In Capital</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AdditionalPaidInCapital" xml:lang="en-US">Additional paid-in capital</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_AdditionalPaidInCapital" xml:lang="en-US">Additional paid-in capital (1)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_M318M60K350M_us-gaap_AdditionalPaidInCapital" xml:lang="en-US">Additional Paid in Capital, Beginning Balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_M318M60K350M_us-gaap_AdditionalPaidInCapital" xml:lang="en-US">Additional Paid in Capital, Ending Balance</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AdditionalPaidInCapital" xlink:to="lab_M318M60K350M_us-gaap_AdditionalPaidInCapital"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net Of Tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US">Accumulated other comprehensive income (loss)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US">Accumulated other comprehensive income (loss)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_K196K48I138K_us-gaap_RetainedEarningsAccumulatedDeficit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_RetainedEarningsAccumulatedDeficit" xml:lang="en-US">Retained Earnings (Accumulated Deficit)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_RetainedEarningsAccumulatedDeficit" xml:lang="en-US">Retained earnings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_RetainedEarningsAccumulatedDeficit" xml:lang="en-US">Retained earnings (1)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_M318M60K350M_us-gaap_RetainedEarningsAccumulatedDeficit" xml:lang="en-US">Retained Earnings (Accumulated Deficit), Beginning Balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_M318M60K350M_us-gaap_RetainedEarningsAccumulatedDeficit" xml:lang="en-US">Retained Earnings (Accumulated Deficit), Ending Balance</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="lab_M318M60K350M_us-gaap_RetainedEarningsAccumulatedDeficit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_StockholdersEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockholdersEquity" xml:lang="en-US">Stockholders' Equity Attributable to Parent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockholdersEquity" xml:lang="en-US">Shareholders' equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockholdersEquity" xml:lang="en-US">Total shareholders' equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockholdersEquity" xml:lang="en-US">Balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockholdersEquity" xml:lang="en-US">Balance</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_StockholdersEquity" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_StockholdersEquity"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_K196K48I138K_us-gaap_LiabilitiesAndStockholdersEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LiabilitiesAndStockholdersEquity" xml:lang="en-US">Liabilities and Equity, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LiabilitiesAndStockholdersEquity" xml:lang="en-US">Total liabilities and shareholders' equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_LiabilitiesAndStockholdersEquity" xml:lang="en-US">Total liabilities and shareholders' equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="lab_M318M60K350M_us-gaap_LiabilitiesAndStockholdersEquity"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PreferredStockParOrStatedValuePerShare" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PreferredStockParOrStatedValuePerShare" xml:lang="en-US">Preferred Stock, Par Or Stated Value Per Share</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PreferredStockParOrStatedValuePerShare" xml:lang="en-US">Preferred stock, par value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PreferredStockParOrStatedValuePerShare" xml:lang="en-US">Series T Preferred Stock, par value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PreferredStockParOrStatedValuePerShare" xml:lang="en-US">Preferred stock, par value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PreferredStockParOrStatedValuePerShare"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_K196K48I138K_us-gaap_PreferredStockSharesAuthorized" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PreferredStockSharesAuthorized" xml:lang="en-US">Preferred Stock, Shares Authorized</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_PreferredStockSharesAuthorized" xml:lang="en-US">Preferred stock, shares authorized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PreferredStockSharesAuthorized" xlink:to="lab_M318M60K350M_us-gaap_PreferredStockSharesAuthorized"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CommonStockParOrStatedValuePerShare" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CommonStockParOrStatedValuePerShare" xml:lang="en-US">Common Stock, Par Or Stated Value Per Share</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CommonStockSharesIssued" />
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_K196K48I138K_us-gaap_CommonStockSharesOutstanding" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CommonStockSharesOutstanding" xml:lang="en-US">Common Stock, Shares, Outstanding</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_CommonStockSharesOutstanding" xml:lang="en-US">Common stock, shares outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_M318M60K350M_us-gaap_CommonStockSharesOutstanding" xml:lang="en-US">Common Stock, Shares, Outstanding, Beginning Balance</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeStatementAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeStatementAbstract" xml:lang="en-US">Statements Of Income [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeStatementAbstract" xml:lang="en-US">Condensed Statements of Income</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestAndDividendIncomeOperatingAbstract" xlink:label="loc_K196K48I138K_us-gaap_InterestAndDividendIncomeOperatingAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_InterestAndDividendIncomeOperatingAbstract" xml:lang="en-US">Interest and Dividend Income, Operating [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_InterestAndDividendIncomeOperatingAbstract" xml:lang="en-US">Interest income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_InterestAndDividendIncomeOperatingAbstract" xlink:to="lab_M318M60K350M_us-gaap_InterestAndDividendIncomeOperatingAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestAndFeeIncomeLoansAndLeases" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InterestAndFeeIncomeLoansAndLeases" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestAndFeeIncomeLoansAndLeases" xml:lang="en-US">Interest and Fee Income, Loans and Leases</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestAndFeeIncomeLoansAndLeases" xml:lang="en-US">Loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestAndFeeIncomeLoansAndLeases" xml:lang="en-US">Loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InterestAndFeeIncomeLoansAndLeases" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InterestAndFeeIncomeLoansAndLeases"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestAndDividendIncomeSecurities" xlink:label="loc_K196K48I138K_us-gaap_InterestAndDividendIncomeSecurities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_InterestAndDividendIncomeSecurities" xml:lang="en-US">Interest and Dividend Income, Securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_InterestAndDividendIncomeSecurities" xml:lang="en-US">Investment securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_InterestAndDividendIncomeSecurities" xml:lang="en-US">Investment securities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_InterestAndDividendIncomeSecurities" xlink:to="lab_M318M60K350M_us-gaap_InterestAndDividendIncomeSecurities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestIncomeFederalFundsSold" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InterestIncomeFederalFundsSold" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestIncomeFederalFundsSold" xml:lang="en-US">Interest Income, Federal Funds Sold</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestIncomeFederalFundsSold" xml:lang="en-US">Federal funds sold</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InterestIncomeFederalFundsSold" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InterestIncomeFederalFundsSold"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestAndDividendIncomeOperating" xlink:label="loc_K196K48I138K_us-gaap_InterestAndDividendIncomeOperating" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_InterestAndDividendIncomeOperating" xml:lang="en-US">Interest and Dividend Income, Operating</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_InterestAndDividendIncomeOperating" xml:lang="en-US">Interest income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_InterestAndDividendIncomeOperating" xml:lang="en-US">Total interest income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_InterestAndDividendIncomeOperating" xml:lang="en-US">Total interest income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_InterestAndDividendIncomeOperating" xlink:to="lab_M318M60K350M_us-gaap_InterestAndDividendIncomeOperating"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpenseAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InterestExpenseAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestExpenseAbstract" xml:lang="en-US">Interest Expense [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestExpenseAbstract" xml:lang="en-US">Interest expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InterestExpenseAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InterestExpenseAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpenseDeposits" xlink:label="loc_K196K48I138K_us-gaap_InterestExpenseDeposits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_InterestExpenseDeposits" xml:lang="en-US">Interest Expense, Deposits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_InterestExpenseDeposits" xml:lang="en-US">Deposits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_InterestExpenseDeposits" xml:lang="en-US">Deposits</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_InterestExpenseDeposits" xlink:to="lab_M318M60K350M_us-gaap_InterestExpenseDeposits"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpenseBorrowings" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InterestExpenseBorrowings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestExpenseBorrowings" xml:lang="en-US">Interest Expense, Borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestExpenseBorrowings" xml:lang="en-US">Borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestExpenseBorrowings" xml:lang="en-US">Borrowings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InterestExpenseBorrowings" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InterestExpenseBorrowings"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_K196K48I138K_us-gaap_InterestExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_InterestExpense" xml:lang="en-US">Total Interest Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_InterestExpense" xml:lang="en-US">Interest expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_InterestExpense" xml:lang="en-US">Total interest expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_InterestExpense" xml:lang="en-US">Total interest expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_InterestExpense" xlink:to="lab_M318M60K350M_us-gaap_InterestExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InterestIncomeExpenseNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestIncomeExpenseNet" xml:lang="en-US">Net Interest Income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestIncomeExpenseNet" xml:lang="en-US">Net interest income (loss)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestIncomeExpenseNet" xml:lang="en-US">Net interest income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestIncomeExpenseNet" xml:lang="en-US">Net interest income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InterestIncomeExpenseNet" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InterestIncomeExpenseNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProvisionForLoanLeaseAndOtherLosses" xlink:label="loc_K196K48I138K_us-gaap_ProvisionForLoanLeaseAndOtherLosses" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ProvisionForLoanLeaseAndOtherLosses" xml:lang="en-US">Provision For Loan Losses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_ProvisionForLoanLeaseAndOtherLosses" xml:lang="en-US">Provision</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ProvisionForLoanLeaseAndOtherLosses" xml:lang="en-US">Provision for loan losses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_ProvisionForLoanLeaseAndOtherLosses" xml:lang="en-US">Provision for loan losses</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss" xml:lang="en-US">Interest Income (Expense), After Provision For Loan Loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss" xml:lang="en-US">Net interest income after provision for loan losses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss" xml:lang="en-US">Net interest income after provision for loan losses</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoninterestIncomeAbstract" xlink:label="loc_K196K48I138K_us-gaap_NoninterestIncomeAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_NoninterestIncomeAbstract" xml:lang="en-US">Noninterest Income [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_NoninterestIncomeAbstract" xml:lang="en-US">Noninterest income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_NoninterestIncomeAbstract" xlink:to="lab_M318M60K350M_us-gaap_NoninterestIncomeAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FeesAndCommissionsMortgageBanking" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FeesAndCommissionsMortgageBanking" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FeesAndCommissionsMortgageBanking" xml:lang="en-US">Fees and Commissions, Mortgage Banking</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FeesAndCommissionsMortgageBanking" xml:lang="en-US">Mortgage banking income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FeesAndCommissionsMortgageBanking" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FeesAndCommissionsMortgageBanking"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FeesAndCommissionsDepositorAccounts" xlink:label="loc_K196K48I138K_us-gaap_FeesAndCommissionsDepositorAccounts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FeesAndCommissionsDepositorAccounts" xml:lang="en-US">Fees and Commissions, Depositor Accounts</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FeesAndCommissionsDepositorAccounts" xml:lang="en-US">Service fees on deposit accounts</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FeesAndCommissionsDepositorAccounts" xlink:to="lab_M318M60K350M_us-gaap_FeesAndCommissionsDepositorAccounts"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BankOwnedLifeInsuranceIncome" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_BankOwnedLifeInsuranceIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_BankOwnedLifeInsuranceIncome" xml:lang="en-US">Bank Owned Life Insurance Income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_BankOwnedLifeInsuranceIncome" xml:lang="en-US">Income from bank owned life insurance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_BankOwnedLifeInsuranceIncome" xml:lang="en-US">Increase in cash surrender value of bank owned life insurance</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_BankOwnedLifeInsuranceIncome" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_BankOwnedLifeInsuranceIncome"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainOnSaleOfInvestments" xlink:label="loc_K196K48I138K_us-gaap_GainOnSaleOfInvestments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_GainOnSaleOfInvestments" xml:lang="en-US">Gain on Sale of Investments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_GainOnSaleOfInvestments" xml:lang="en-US">Gain on sale of investment securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_GainOnSaleOfInvestments" xml:lang="en-US">Gain on Sale of Investments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_GainOnSaleOfInvestments" xlink:to="lab_M318M60K350M_us-gaap_GainOnSaleOfInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoninterestIncomeOther" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NoninterestIncomeOther" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NoninterestIncomeOther" xml:lang="en-US">Noninterest Income, Other</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NoninterestIncomeOther" xml:lang="en-US">Other income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NoninterestIncomeOther" xml:lang="en-US">Other income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_NoninterestIncomeOther" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_NoninterestIncomeOther"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoninterestIncome" xlink:label="loc_K196K48I138K_us-gaap_NoninterestIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_NoninterestIncome" xml:lang="en-US">Total Noninterest Income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_NoninterestIncome" xml:lang="en-US">Noninterest income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_NoninterestIncome" xml:lang="en-US">Total noninterest income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_NoninterestIncome" xml:lang="en-US">Total noninterest income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_NoninterestIncome" xlink:to="lab_M318M60K350M_us-gaap_NoninterestIncome"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoninterestExpenseAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NoninterestExpenseAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NoninterestExpenseAbstract" xml:lang="en-US">Noninterest Expense [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NoninterestExpenseAbstract" xml:lang="en-US">Noninterest expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_NoninterestExpenseAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_NoninterestExpenseAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="loc_K196K48I138K_us-gaap_LaborAndRelatedExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LaborAndRelatedExpense" xml:lang="en-US">Labor and Related Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LaborAndRelatedExpense" xml:lang="en-US">Compensation and benefits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_LaborAndRelatedExpense" xml:lang="en-US">Compensation and benefits</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LaborAndRelatedExpense" xlink:to="lab_M318M60K350M_us-gaap_LaborAndRelatedExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OccupancyNet" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OccupancyNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OccupancyNet" xml:lang="en-US">Occupancy, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OccupancyNet" xml:lang="en-US">Occupancy</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_OccupancyNet" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OccupancyNet"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_OtherRealEstateOwnedExpenses" xlink:label="loc_K196K48I138K_sfst_OtherRealEstateOwnedExpenses" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_OtherRealEstateOwnedExpenses" xml:lang="en-US">Other Real Estate Owned Expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_OtherRealEstateOwnedExpenses" xml:lang="en-US">Other real estate owned expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_OtherRealEstateOwnedExpenses" xml:lang="en-US">Represents the cost associated with the disposition of certain other real estate owned and gain or loss on the sale of property during the period.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_sfst_OtherRealEstateOwnedExpenses" xml:lang="en-US">Other real estate owned expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_OtherRealEstateOwnedExpenses" xlink:to="lab_M318M60K350M_sfst_OtherRealEstateOwnedExpenses"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InformationTechnologyAndDataProcessing" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InformationTechnologyAndDataProcessing" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InformationTechnologyAndDataProcessing" xml:lang="en-US">Information Technology and Data Processing</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InformationTechnologyAndDataProcessing" xml:lang="en-US">Outside service and data processing costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InformationTechnologyAndDataProcessing" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InformationTechnologyAndDataProcessing"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalDepositInsuranceCorporationPremiumExpense" xlink:label="loc_K196K48I138K_us-gaap_FederalDepositInsuranceCorporationPremiumExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FederalDepositInsuranceCorporationPremiumExpense" xml:lang="en-US">Federal Deposit Insurance Corporation Premium Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FederalDepositInsuranceCorporationPremiumExpense" xml:lang="en-US">Insurance</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FederalDepositInsuranceCorporationPremiumExpense" xlink:to="lab_M318M60K350M_us-gaap_FederalDepositInsuranceCorporationPremiumExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfessionalFees" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ProfessionalFees" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ProfessionalFees" xml:lang="en-US">Professional Fees</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ProfessionalFees" xml:lang="en-US">Professional fees</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ProfessionalFees" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ProfessionalFees"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MarketingExpense" xlink:label="loc_K196K48I138K_us-gaap_MarketingExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_MarketingExpense" xml:lang="en-US">Marketing Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_MarketingExpense" xml:lang="en-US">Marketing</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_MarketingExpense" xlink:to="lab_M318M60K350M_us-gaap_MarketingExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNoninterestExpense" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OtherNoninterestExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherNoninterestExpense" xml:lang="en-US">Other Noninterest Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherNoninterestExpense" xml:lang="en-US">Other</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_OtherNoninterestExpense" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OtherNoninterestExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoninterestExpense" xlink:label="loc_K196K48I138K_us-gaap_NoninterestExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_NoninterestExpense" xml:lang="en-US">Total Noninterest Expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_NoninterestExpense" xml:lang="en-US">Noninterest expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_NoninterestExpense" xml:lang="en-US">Total noninterest expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_NoninterestExpense" xml:lang="en-US">Total noninterest expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_M318M60K350M_us-gaap_NoninterestExpense" xml:lang="en-US">Noninterest expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_NoninterestExpense" xlink:to="lab_M318M60K350M_us-gaap_NoninterestExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US">Income Before Income Tax Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US">Income (loss) before income tax expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US">Income before income tax expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US">Income before income tax expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US">Net income (loss) before taxes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_K196K48I138K_us-gaap_IncomeTaxExpenseBenefit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Income Tax Expense (Benefit)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Income tax benefit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Income tax expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Income tax expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Income tax (provision) benefit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Income tax expense (benefit)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_IncomeTaxExpenseBenefit" xlink:to="lab_M318M60K350M_us-gaap_IncomeTaxExpenseBenefit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NetIncomeLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NetIncomeLoss" xml:lang="en-US">Net Income (Loss) Attributable to Parent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NetIncomeLoss" xml:lang="en-US">Net income (loss)</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NetIncomeLoss" xml:lang="en-US">Net income available to common shareholders</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Diluted</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParentAbstract" xml:lang="en-US">Unrealized gain (loss) on securities available for sale:</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AwardTypeAxis" />
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AwardTypeAxis" xml:lang="en-US">Award Type [Axis]</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_K196K48I138K_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xml:lang="en-US">Award Type [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xml:lang="en-US">Award Type [Domain]</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_RestrictedStockMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RestrictedStockMember" xml:lang="en-US">Restricted Stock [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RestrictedStockMember" xml:lang="en-US">Nonvested restricted stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RestrictedStockMember" xml:lang="en-US">Nonvested restricted stock [Member]</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_K196K48I138K_us-gaap_StatementEquityComponentsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_StatementEquityComponentsAxis" xml:lang="en-US">Statement, Equity Components [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_StatementEquityComponentsAxis" xml:lang="en-US">Statement, Equity Components [Axis]</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_EquityComponentDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EquityComponentDomain" xml:lang="en-US">Equity Component [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EquityComponentDomain" xml:lang="en-US">Equity Component [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_EquityComponentDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_EquityComponentDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_K196K48I138K_us-gaap_CommonStockMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CommonStockMember" xml:lang="en-US">Common Stock [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_CommonStockMember" xml:lang="en-US">Common stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_CommonStockMember" xlink:to="lab_M318M60K350M_us-gaap_CommonStockMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PreferredStockMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PreferredStockMember" xml:lang="en-US">Preferred Stock [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PreferredStockMember" xml:lang="en-US">Preferred stock</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_K196K48I138K_us-gaap_AdditionalPaidInCapitalMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AdditionalPaidInCapitalMember" xml:lang="en-US">Additional Paid-In Capital [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AdditionalPaidInCapitalMember" xml:lang="en-US">Additional paid-in capital</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AdditionalPaidInCapitalMember" xlink:to="lab_M318M60K350M_us-gaap_AdditionalPaidInCapitalMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AccumulatedOtherComprehensiveIncomeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US">Accumulated other comprehensive income (loss)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_K196K48I138K_us-gaap_RetainedEarningsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_RetainedEarningsMember" xml:lang="en-US">Retained Earnings [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_RetainedEarningsMember" xml:lang="en-US">Retained Earnings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_RetainedEarningsMember" xlink:to="lab_M318M60K350M_us-gaap_RetainedEarningsMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_StatementLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StatementLineItems" xml:lang="en-US">Statement [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StatementLineItems" xml:lang="en-US">Statement [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_StatementLineItems" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_StatementLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="loc_K196K48I138K_us-gaap_SharesOutstanding" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_SharesOutstanding" xml:lang="en-US">Balance (In Shares)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_SharesOutstanding" xml:lang="en-US">December 31, 2008</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_M318M60K350M_us-gaap_SharesOutstanding" xml:lang="en-US">Balance, shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_M318M60K350M_us-gaap_SharesOutstanding" xml:lang="en-US">Balance, shares</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_SharesOutstanding" xlink:to="lab_M318M60K350M_us-gaap_SharesOutstanding"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_StockIssuedDuringPeriodValueNewIssues" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockIssuedDuringPeriodValueNewIssues" xml:lang="en-US">Stock Issued During Period, Value, New Issues</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockIssuedDuringPeriodValueNewIssues" xml:lang="en-US">Net issuance of common stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockIssuedDuringPeriodValueNewIssues" xml:lang="en-US">Common stock Issuance, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockIssuedDuringPeriodValueNewIssues" xml:lang="en-US">Issuance of common stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockIssuedDuringPeriodValueNewIssues" xml:lang="en-US">Issuance of common stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_K196K48I138K_us-gaap_StockIssuedDuringPeriodSharesNewIssues" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xml:lang="en-US">Stock Issued During Period, Shares, New Issues</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xml:lang="en-US">Net issuance of common stock, shares</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="lab_M318M60K350M_us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xml:lang="en-US">Stock Issued During Period, Value, Stock Options Exercised</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xml:lang="en-US">Proceeds from exercise of stock options</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_K196K48I138K_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xml:lang="en-US">Shares Exercised</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xml:lang="en-US">Proceeds from exercise of stock options, shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xml:lang="en-US">Shares Exercised</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="lab_M318M60K350M_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xml:lang="en-US">Stock Issued During Period, Value, Restricted Stock Award, Net Of Forfeitures</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xml:lang="en-US">Issuance of restricted stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:label="loc_K196K48I138K_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xml:lang="en-US">Stock Issued During Period, Shares, Restricted Stock Award, Net Of Forfeitures</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xml:lang="en-US">Issuance of restricted stock, shares</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:to="lab_M318M60K350M_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition" xml:lang="en-US">Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition" xml:lang="en-US">Compensation expense related to restricted stock, net of tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="loc_K196K48I138K_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xml:lang="en-US">Adjustments To Additional Paid In Capital, Share-Based Compensation, Requisite Service Period Recognition</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xml:lang="en-US">Stock option expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xml:lang="en-US">Compensation expense related to stock options, net of tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:to="lab_M318M60K350M_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_RedemptionOfPreferredStock" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_RedemptionOfPreferredStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_RedemptionOfPreferredStock" xml:lang="en-US">Redemption Of Preferred Stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_RedemptionOfPreferredStock" xml:lang="en-US">Preferred stock transactions: Redemption of preferred stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_RedemptionOfPreferredStock" xml:lang="en-US">Redemption of preferred stock.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_RedemptionOfPreferredStock" xlink:to="lab_0J8HJH6K61II107LH824_sfst_RedemptionOfPreferredStock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AuctionMarketPreferredSecuritiesSharesRedeemed" xlink:label="loc_K196K48I138K_us-gaap_AuctionMarketPreferredSecuritiesSharesRedeemed" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AuctionMarketPreferredSecuritiesSharesRedeemed" xml:lang="en-US">Redemption of series T Preferred preferred stock, shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_AuctionMarketPreferredSecuritiesSharesRedeemed" xml:lang="en-US">Redemption of series T Preferred stock, shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AuctionMarketPreferredSecuritiesSharesRedeemed" xml:lang="en-US">Preferred stock transactions: Redemption of preferred stock, shares</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AuctionMarketPreferredSecuritiesSharesRedeemed" xlink:to="lab_M318M60K350M_us-gaap_AuctionMarketPreferredSecuritiesSharesRedeemed"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DividendsPreferredStockCash" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DividendsPreferredStockCash" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DividendsPreferredStockCash" xml:lang="en-US">Dividends, Preferred Stock, Cash</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DividendsPreferredStockCash" xml:lang="en-US">Preferred stock transactions: Cash dividends on Series T preferred stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DividendsPreferredStockCash" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DividendsPreferredStockCash"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_K196K48I138K_us-gaap_StatementOfCashFlowsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_StatementOfCashFlowsAbstract" xml:lang="en-US">Statements Of Cash Flows [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_StatementOfCashFlowsAbstract" xml:lang="en-US">Condensed Statements of Cash Flows</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_StatementOfCashFlowsAbstract" xlink:to="lab_M318M60K350M_us-gaap_StatementOfCashFlowsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Operating activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_K196K48I138K_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Adjustments To Reconcile Net Income To Cash Provided By Operating Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Adjustments to reconcile net income to net cash used for operating activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Adjustments to reconcile net income to cash provided by operating activities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_M318M60K350M_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationAmortizationAndAccretionNet" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DepreciationAmortizationAndAccretionNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DepreciationAmortizationAndAccretionNet" xml:lang="en-US">Depreciation, Amortization and Accretion, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DepreciationAmortizationAndAccretionNet" xml:lang="en-US">Depreciation and other amortization</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DepreciationAmortizationAndAccretionNet" xml:lang="en-US">Depreciation and other amortization</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DepreciationAmortizationAndAccretionNet" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DepreciationAmortizationAndAccretionNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:label="loc_K196K48I138K_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xml:lang="en-US">Accretion (Amortization) Of Discounts and Premiums, Investments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xml:lang="en-US">Accretion and amortization of securities discounts and premium, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xml:lang="en-US">Accretion and amortization of securities discounts and premiums, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:to="lab_M318M60K350M_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnSaleOfInvestments" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_GainLossOnSaleOfInvestments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_GainLossOnSaleOfInvestments" xml:lang="en-US">Gain (Loss) on Sale of Investments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_GainLossOnSaleOfInvestments" xml:lang="en-US">Gain on sale of investment securities available for sale</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_GainLossOnSaleOfInvestments" xml:lang="en-US">Gain on sale of investment securities available for sale</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_GainLossOnSaleOfInvestments" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_GainLossOnSaleOfInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_K196K48I138K_us-gaap_GainLossOnSaleOfPropertyPlantEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xml:lang="en-US">Gain (Loss) on Disposition of Property Plant Equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xml:lang="en-US">Loss on sale of fixed assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xml:lang="en-US">Loss on sale of fixed assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:to="lab_M318M60K350M_us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_GainLossOnSaleOfOtherRealEstateOwned" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_GainLossOnSaleOfOtherRealEstateOwned" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_GainLossOnSaleOfOtherRealEstateOwned" xml:lang="en-US">Gain Loss On Sale Of Other Real Estate Owned</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_GainLossOnSaleOfOtherRealEstateOwned" xml:lang="en-US">Loss on sale of real estate owned</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_GainLossOnSaleOfOtherRealEstateOwned" xml:lang="en-US">Loss on sale and write-down of real estate owned</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_GainLossOnSaleOfOtherRealEstateOwned" xml:lang="en-US">Represents gain or loss realized from sale of other real estate owned.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_GainLossOnSaleOfOtherRealEstateOwned" xml:lang="en-US">(Gain) loss on sale of other real estate owned</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_GainLossOnSaleOfOtherRealEstateOwned" xlink:to="lab_0J8HJH6K61II107LH824_sfst_GainLossOnSaleOfOtherRealEstateOwned"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_WriteDownOfOtherRealEstateOwned" xlink:label="loc_K196K48I138K_sfst_WriteDownOfOtherRealEstateOwned" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_WriteDownOfOtherRealEstateOwned" xml:lang="en-US">Write Down Of Other Real Estate Owned</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_WriteDownOfOtherRealEstateOwned" xml:lang="en-US">Write-down of real estate owned</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_WriteDownOfOtherRealEstateOwned" xml:lang="en-US">Represents the amount of any write-down provided in the period on a other real estate owned.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_sfst_WriteDownOfOtherRealEstateOwned" xml:lang="en-US">Write-down of other real estate owned</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_WriteDownOfOtherRealEstateOwned" xlink:to="lab_M318M60K350M_sfst_WriteDownOfOtherRealEstateOwned"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensation" xml:lang="en-US">Compensation Expense Related To Stock Options and Grants</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensation" xml:lang="en-US">Compensation expense related to stock options and restricted stock grants</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensation" xml:lang="en-US">Compensation expense related to stock options and restricted stock grants</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensation" xml:lang="en-US">Compensation expense related to stock options and grants</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensation" xml:lang="en-US">Total stock-based compensation expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensation" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensation"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnSalesOfLoansNet" xlink:label="loc_K196K48I138K_us-gaap_GainLossOnSalesOfLoansNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_GainLossOnSalesOfLoansNet" xml:lang="en-US">Gain (Loss) on Sales of Loans, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_GainLossOnSalesOfLoansNet" xml:lang="en-US">Gain on sale of loans held for sale</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_GainLossOnSalesOfLoansNet" xlink:to="lab_M318M60K350M_us-gaap_GainLossOnSalesOfLoansNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale" xml:lang="en-US">Payments for Origination and Purchases of Loans Held-for-sale</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale" xml:lang="en-US">Loans originated and held for sale</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSale"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfLoansHeldForSale" xlink:label="loc_K196K48I138K_us-gaap_ProceedsFromSaleOfLoansHeldForSale" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ProceedsFromSaleOfLoansHeldForSale" xml:lang="en-US">Proceeds from Sale of Loans Held-for-sale</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_ProceedsFromSaleOfLoansHeldForSale" xml:lang="en-US">Proceeds from sale of loans held for sale</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ProceedsFromSaleOfLoansHeldForSale" xlink:to="lab_M318M60K350M_us-gaap_ProceedsFromSaleOfLoansHeldForSale"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xml:lang="en-US">Increase (Decrease) In Deferred Income Taxes</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xml:lang="en-US">(Increase) decrease in deferred tax asset</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xml:lang="en-US">(Increase) decrease in deferred tax asset</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_K196K48I138K_us-gaap_IncreaseDecreaseInOtherOperatingAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_IncreaseDecreaseInOtherOperatingAssets" xml:lang="en-US">Decrease In Other Assets, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_IncreaseDecreaseInOtherOperatingAssets" xml:lang="en-US">Increase in other assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_IncreaseDecreaseInOtherOperatingAssets" xml:lang="en-US">Decrease in other assets, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_IncreaseDecreaseInOtherOperatingAssets" xml:lang="en-US">Increase (Decrease) in Other Operating Assets, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_IncreaseDecreaseInOtherOperatingAssets" xml:lang="en-US">Increase in other assets, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_M318M60K350M_us-gaap_IncreaseDecreaseInOtherOperatingAssets" xml:lang="en-US">(Increase) decrease in other assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:to="lab_M318M60K350M_us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xml:lang="en-US">Increase (Decrease) In Other Operating Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xml:lang="en-US">Increase (decrease) in other liabilities, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xml:lang="en-US">Increase (Decrease) in Other Operating Liabilities, Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_K196K48I138K_us-gaap_NetCashProvidedByUsedInOperatingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US">Net cash provided by operating activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US">Investing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_IncreaseDecreaseInCashRealizedInvestingActivitiesAbstract" xlink:label="loc_K196K48I138K_sfst_IncreaseDecreaseInCashRealizedInvestingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_IncreaseDecreaseInCashRealizedInvestingActivitiesAbstract" xml:lang="en-US">Increase (Decrease) In Cash Realized Investing Activities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_IncreaseDecreaseInCashRealizedInvestingActivitiesAbstract" xml:lang="en-US">Increase (decrease) in cash realized from:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_IncreaseDecreaseInCashRealizedInvestingActivitiesAbstract" xlink:to="lab_M318M60K350M_sfst_IncreaseDecreaseInCashRealizedInvestingActivitiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForProceedsFromLoansAndLeases" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PaymentsForProceedsFromLoansAndLeases" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsForProceedsFromLoansAndLeases" xml:lang="en-US">Payments For (Proceeds From) Loans and Leases</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsForProceedsFromLoansAndLeases" xml:lang="en-US">Origination of loans, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsForProceedsFromLoansAndLeases" xml:lang="en-US">Origination of loans, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsForProceedsFromLoansAndLeases" xml:lang="en-US">Increase in loans, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PaymentsForProceedsFromLoansAndLeases" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsForProceedsFromLoansAndLeases"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_K196K48I138K_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US">Payments to Acquire Property, Plant, and Equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US">Purchase of property and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US">Purchase of property and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US">Purchase of property and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US">Purchase of property and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="lab_M318M60K350M_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract" xml:lang="en-US">Payments To Acquire Marketable Securities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract" xml:lang="en-US">Purchase of investment securities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:label="loc_K196K48I138K_us-gaap_PaymentsToAcquireAvailableForSaleSecurities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xml:lang="en-US">Payments To Acquire Available-For-Sale Securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xml:lang="en-US">Available for sale</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:to="lab_M318M60K350M_us-gaap_PaymentsToAcquireAvailableForSaleSecurities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireOtherInvestments" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PaymentsToAcquireOtherInvestments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsToAcquireOtherInvestments" xml:lang="en-US">Payments To Acquire Other Investments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsToAcquireOtherInvestments" xml:lang="en-US">Other investments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsToAcquireOtherInvestments" xml:lang="en-US">Other investments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PaymentsToAcquireOtherInvestments" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsToAcquireOtherInvestments"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ProceedsFromMaturitiesCallsAndRepaymentsOfInvestmentSecuritiesAbstract" xlink:label="loc_K196K48I138K_sfst_ProceedsFromMaturitiesCallsAndRepaymentsOfInvestmentSecuritiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_ProceedsFromMaturitiesCallsAndRepaymentsOfInvestmentSecuritiesAbstract" xml:lang="en-US">Proceeds From Maturities, Calls And Repayments Of Investment Securities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_ProceedsFromMaturitiesCallsAndRepaymentsOfInvestmentSecuritiesAbstract" xml:lang="en-US">Proceeds from maturities, calls and repayments of investment securities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_ProceedsFromMaturitiesCallsAndRepaymentsOfInvestmentSecuritiesAbstract" xlink:to="lab_M318M60K350M_sfst_ProceedsFromMaturitiesCallsAndRepaymentsOfInvestmentSecuritiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xml:lang="en-US">Proceeds From Maturities, Prepayments and Calls Of Available-For-Sale Securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xml:lang="en-US">Available for sale</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments" xlink:label="loc_K196K48I138K_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments" xml:lang="en-US">Proceeds From Maturities, Prepayments and Calls Of Other Investments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments" xml:lang="en-US">Other investments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments" xlink:to="lab_M318M60K350M_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestmentsAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestmentsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestmentsAbstract" xml:lang="en-US">Proceeds From Sale, Maturity and Collection Of Investments [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestmentsAbstract" xml:lang="en-US">Proceeds from sale of investment securities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestmentsAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestmentsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:label="loc_K196K48I138K_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xml:lang="en-US">Proceeds From Sale Of Available-For-Sale Securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xml:lang="en-US">Available for sale</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xml:lang="en-US">Proceeds from sale of investment securities:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xml:lang="en-US">Available for sale</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:to="lab_M318M60K350M_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireLifeInsurancePolicies" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PaymentsToAcquireLifeInsurancePolicies" />
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans" xml:lang="en-US">Proceeds from sale of other real estate owned</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US">Net cash used for investing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_K196K48I138K_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xml:lang="en-US">Financing activities</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_IncreaseDecreaseInCashRealizedFinancingActivitiesAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_IncreaseDecreaseInCashRealizedFinancingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_IncreaseDecreaseInCashRealizedFinancingActivitiesAbstract" xml:lang="en-US">Increase (Decrease) In Cash Realized Financing Activities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_IncreaseDecreaseInCashRealizedFinancingActivitiesAbstract" xml:lang="en-US">Increase (decrease) in cash realized from:</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInDeposits" xlink:label="loc_K196K48I138K_us-gaap_IncreaseDecreaseInDeposits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_IncreaseDecreaseInDeposits" xml:lang="en-US">Increase (Decrease) In Deposits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_IncreaseDecreaseInDeposits" xml:lang="en-US">Increase in deposits, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_IncreaseDecreaseInDeposits" xml:lang="en-US">Increase in deposits, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_IncreaseDecreaseInDeposits" xlink:to="lab_M318M60K350M_us-gaap_IncreaseDecreaseInDeposits"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_IncreaseDecreaseInFederalHomeLoanBankAdvancesAndOtherBorrowings" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_IncreaseDecreaseInFederalHomeLoanBankAdvancesAndOtherBorrowings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_IncreaseDecreaseInFederalHomeLoanBankAdvancesAndOtherBorrowings" xml:lang="en-US">Increase Decrease In Federal Home Loan Bank Advances And Other Borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_IncreaseDecreaseInFederalHomeLoanBankAdvancesAndOtherBorrowings" xml:lang="en-US">Increase (decrease) in Federal Home Loan Bank advances and other borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_IncreaseDecreaseInFederalHomeLoanBankAdvancesAndOtherBorrowings" xml:lang="en-US">Decrease in Federal Home Loan Bank advances and other borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_IncreaseDecreaseInFederalHomeLoanBankAdvancesAndOtherBorrowings" xml:lang="en-US">Increase decrease in federal home loan bank advances and other borrowings.</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_K196K48I138K_us-gaap_ProceedsFromIssuanceOfCommonStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US">Proceeds from Issuance of Common Stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US">Issuance of common stock</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ProceedsFromStockOptionsExercised" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ProceedsFromStockOptionsExercised" xml:lang="en-US">Proceeds from Stock Options Exercised</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ProceedsFromStockOptionsExercised" xml:lang="en-US">Proceeds from the exercise of stock options</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ProceedsFromStockOptionsExercised" xml:lang="en-US">Proceeds from the exercise of stock options</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ProceedsFromStockOptionsExercised" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ProceedsFromStockOptionsExercised"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_K196K48I138K_us-gaap_NetCashProvidedByUsedInFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInFinancingActivities" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInFinancingActivities" xml:lang="en-US">Net cash provided by financing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xml:lang="en-US">Net Increase (Decrease) In Cash and Cash Equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xml:lang="en-US">Net increase (decrease) in cash and cash equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xml:lang="en-US">Net increase (decrease) in cash and cash equivalents</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_K196K48I138K_us-gaap_CashAndCashEquivalentsAtCarryingValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and cash equivalents, Carrying value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and cash equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_M318M60K350M_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and cash equivalents, beginning of year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_M318M60K350M_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and cash equivalents, end of year</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_SupplementalCashFlowInformationAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SupplementalCashFlowInformationAbstract" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SupplementalCashFlowInformationAbstract" xml:lang="en-US">Supplemental information</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_CashPaidAbstract" xml:lang="en-US">Cash Paid [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_CashPaidAbstract" xml:lang="en-US">Cash paid for</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_CashPaidAbstract" xlink:to="lab_M318M60K350M_sfst_CashPaidAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InterestPaid" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestPaid" xml:lang="en-US">Interest Paid</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestPaid" xml:lang="en-US">Interest</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="loc_K196K48I138K_us-gaap_IncomeTaxesPaid" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxesPaid" xml:lang="en-US">Income Taxes Paid</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxesPaid" xml:lang="en-US">Income taxes</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xml:lang="en-US">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xml:lang="en-US">Schedule of non-cash transactions</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_OtherRealEstateAcquiredInSettlementOfLoans" xlink:label="loc_K196K48I138K_sfst_OtherRealEstateAcquiredInSettlementOfLoans" />
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_OtherRealEstateAcquiredInSettlementOfLoans" xml:lang="en-US">Foreclosure of other real estate</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_UnrealizedGainLossOnSecuritiesNetOfIncomeTaxes" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_UnrealizedGainLossOnSecuritiesNetOfIncomeTaxes" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_UnrealizedGainLossOnSecuritiesNetOfIncomeTaxes" xml:lang="en-US">Unrealized Gain (Loss) On Securities Net Of Income Taxes</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_UnrealizedGainLossOnSecuritiesNetOfIncomeTaxes" xml:lang="en-US">Unrealized (gain) loss on securities, net of income taxes</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_UnrealizedGainLossOnSecuritiesNetOfIncomeTaxes" xml:lang="en-US">Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_K196K48I138K_us-gaap_AccountingPoliciesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AccountingPoliciesAbstract" xml:lang="en-US">Summary of Significant Accounting Policies and Activities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AccountingPoliciesAbstract" xml:lang="en-US">Summary of Significant Accounting Policies and Activities [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AccountingPoliciesAbstract" xlink:to="lab_M318M60K350M_us-gaap_AccountingPoliciesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_SignificantAccountingPoliciesTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SignificantAccountingPoliciesTextBlock" xml:lang="en-US">Significant Accounting Policies [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SignificantAccountingPoliciesTextBlock" xml:lang="en-US">Summary of Significant Accounting Policies and Activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_SignificantAccountingPoliciesTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_K196K48I138K_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xml:lang="en-US">Investment Securities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xml:lang="en-US">Investments, Debt and Equity Securities [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:to="lab_M318M60K350M_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xml:lang="en-US">Investments In Debt and Marketable Equity Securities (And Certain Trading Assets) Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xml:lang="en-US">Investment Securities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_MortgageLoansHeldForSaleAbstract" xlink:label="loc_K196K48I138K_sfst_MortgageLoansHeldForSaleAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_MortgageLoansHeldForSaleAbstract" xml:lang="en-US">Mortgage Loans Held for Sale [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_MortgageLoansHeldForSaleAbstract" xlink:to="lab_M318M60K350M_sfst_MortgageLoansHeldForSaleAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_MortgageLoansHeldForSaleTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_MortgageLoansHeldForSaleTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_MortgageLoansHeldForSaleTextBlock" xml:lang="en-US">Mortgage Loans Held For Sale [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_MortgageLoansHeldForSaleTextBlock" xml:lang="en-US">Mortgage Loans Held for Sale</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_MortgageLoansHeldForSaleTextBlock" xml:lang="en-US">The entire disclosure for mortgage loans held for sale.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_MortgageLoansHeldForSaleTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_sfst_MortgageLoansHeldForSaleTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract" xlink:label="loc_K196K48I138K_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract" xml:lang="en-US">Loans and Allowance for Loan Losses [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract" xml:lang="en-US">Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract" xlink:to="lab_M318M60K350M_us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xml:lang="en-US">Loans, Notes, Trade and Other Receivables Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xml:lang="en-US">Loans and Allowance for Loan Losses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TroubledDebtRestructuringsAbstract" xlink:label="loc_K196K48I138K_sfst_TroubledDebtRestructuringsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_TroubledDebtRestructuringsAbstract" xml:lang="en-US">Troubled Debt Restructurings [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_TroubledDebtRestructuringsAbstract" xml:lang="en-US">Troubled Debt Restructurings [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_TroubledDebtRestructuringsAbstract" xlink:to="lab_M318M60K350M_sfst_TroubledDebtRestructuringsAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TroubledDebtRestructuringTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_TroubledDebtRestructuringTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TroubledDebtRestructuringTextBlock" xml:lang="en-US">Troubled Debt Restructuring [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TroubledDebtRestructuringTextBlock" xml:lang="en-US">Troubled Debt Restructurings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TroubledDebtRestructuringTextBlock" xml:lang="en-US">Disclosure of the accounting policy for loan agreements whose terms have been modified because of the inability of the borrower for financial reasons to comply with the terms of the original loan agreement. A creditor discloses material facts pertaining to significant modifications.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_TroubledDebtRestructuringTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_sfst_TroubledDebtRestructuringTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="loc_K196K48I138K_us-gaap_PropertyPlantAndEquipmentAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentAbstract" xml:lang="en-US">Property and Equipment [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentAbstract" xml:lang="en-US">Property, Plant and Equipment [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PropertyPlantAndEquipmentAbstract" xlink:to="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xml:lang="en-US">Property, Plant and Equipment Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xml:lang="en-US">Property and Equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateAbstract" xlink:label="loc_K196K48I138K_us-gaap_RealEstateAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_RealEstateAbstract" xml:lang="en-US">Other Real Estate Owned [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_RealEstateAbstract" xml:lang="en-US">Real Estate [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_RealEstateAbstract" xlink:to="lab_M318M60K350M_us-gaap_RealEstateAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateOwnedTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_RealEstateOwnedTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RealEstateOwnedTextBlock" xml:lang="en-US">Real Estate Owned [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RealEstateOwnedTextBlock" xml:lang="en-US">Other Real Estate Owned</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_RealEstateOwnedTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_RealEstateOwnedTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DepositAbstract" xlink:label="loc_K196K48I138K_sfst_DepositAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_DepositAbstract" xml:lang="en-US">Deposits [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_DepositAbstract" xlink:to="lab_M318M60K350M_sfst_DepositAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepositLiabilitiesDisclosuresTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DepositLiabilitiesDisclosuresTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DepositLiabilitiesDisclosuresTextBlock" xml:lang="en-US">Deposit Liabilities Disclosures [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DepositLiabilitiesDisclosuresTextBlock" xml:lang="en-US">Deposits</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DepositLiabilitiesDisclosuresTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DepositLiabilitiesDisclosuresTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesAndOtherBorrowingsAbstract" xlink:label="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesAndOtherBorrowingsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesAndOtherBorrowingsAbstract" xml:lang="en-US">Federal Home Loan Bank Advances and Other Borrowings [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesAndOtherBorrowingsAbstract" xml:lang="en-US">Federal Home Loan Bank Advances and Other Borrowings [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesAndOtherBorrowingsAbstract" xlink:to="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesAndOtherBorrowingsAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesAndRepurchaseAgreementsTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvancesAndRepurchaseAgreementsTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesAndRepurchaseAgreementsTextBlock" xml:lang="en-US">Federal Home Loan Bank Advances and Repurchase Agreements [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesAndRepurchaseAgreementsTextBlock" xml:lang="en-US">Federal Home Loan Bank Advances and Other Borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesAndRepurchaseAgreementsTextBlock" xml:lang="en-US">The entire disclosure for borrowing from the Federal Home Loan Bank, including: (i) general description; (ii) title and nature of obligation; (iii) interest rate; (iv) payment terms; (v) maturity dates by year; (vi) collateral requirements; (vii) restrictive covenants; (viii) priority; (ix) conversion or redemption features; (x) carrying value of assets pledged as collateral; (xi) combined aggregate maturities for next five years; (xii) unused or available balances and repurchase agreement.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvancesAndRepurchaseAgreementsTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesAndRepurchaseAgreementsTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_JuniorSubordinatedDebenturesAbstract" xlink:label="loc_K196K48I138K_sfst_JuniorSubordinatedDebenturesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_JuniorSubordinatedDebenturesAbstract" xml:lang="en-US">Junior Subordinated Debentures [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_JuniorSubordinatedDebenturesAbstract" xml:lang="en-US">Junior Subordinated Debentures [Abstract]</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_JuniorSubordinatedDebenturesTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_JuniorSubordinatedDebenturesTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_JuniorSubordinatedDebenturesTextBlock" xml:lang="en-US">Junior Subordinated Debentures [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_JuniorSubordinatedDebenturesTextBlock" xml:lang="en-US">Junior Subordinated Debentures</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_JuniorSubordinatedDebenturesTextBlock" xml:lang="en-US">The entire disclosure for junior subordinated debentures.</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_UnusedLinesOfCreditAbstract" xlink:label="loc_K196K48I138K_sfst_UnusedLinesOfCreditAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_UnusedLinesOfCreditAbstract" xml:lang="en-US">Unused Lines of Credit [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_UnusedLinesOfCreditAbstract" xml:lang="en-US">Unused Lines Of Credit [Abstract]</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_UnusedLinesOfCreditTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_UnusedLinesOfCreditTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_UnusedLinesOfCreditTextBlock" xml:lang="en-US">Unused Lines Of Credit [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_UnusedLinesOfCreditTextBlock" xml:lang="en-US">Unused Lines of Credit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_UnusedLinesOfCreditTextBlock" xml:lang="en-US">The entire disclosure for Unused lines of credit.</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="loc_K196K48I138K_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xml:lang="en-US">Derivative Financial Instruments [Abstract]</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xml:lang="en-US">Derivative Financial Instruments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_K196K48I138K_us-gaap_FairValueDisclosuresAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueDisclosuresAbstract" xml:lang="en-US">Fair Value Accounting [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueDisclosuresAbstract" xml:lang="en-US">Fair Value Disclosures [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueDisclosuresAbstract" xlink:to="lab_M318M60K350M_us-gaap_FairValueDisclosuresAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueDisclosuresTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueDisclosuresTextBlock" xml:lang="en-US">Fair Value Disclosures [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueDisclosuresTextBlock" xml:lang="en-US">Fair Value Accounting</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueDisclosuresTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueDisclosuresTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_K196K48I138K_us-gaap_EarningsPerShareTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_EarningsPerShareTextBlock" xml:lang="en-US">Earnings Per Share [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_EarningsPerShareTextBlock" xml:lang="en-US">Earnings Per Common Share</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_EarningsPerShareTextBlock" xlink:to="lab_M318M60K350M_us-gaap_EarningsPerShareTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xml:lang="en-US">Commitments and Contingencies [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xml:lang="en-US">Commitments and Contingencies Disclosure [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_K196K48I138K_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xml:lang="en-US">Commitments and Contingencies Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xml:lang="en-US">Commitments and Contingencies</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="lab_M318M60K350M_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxDisclosureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxDisclosureAbstract" xml:lang="en-US">Income Taxes [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxDisclosureAbstract" xml:lang="en-US">Income Tax Disclosure [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxDisclosureAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxDisclosureAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_K196K48I138K_us-gaap_IncomeTaxDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxDisclosureTextBlock" xml:lang="en-US">Income Tax Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxDisclosureTextBlock" xml:lang="en-US">Income Taxes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_IncomeTaxDisclosureTextBlock" xlink:to="lab_M318M60K350M_us-gaap_IncomeTaxDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_RelatedPartyTransactionsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RelatedPartyTransactionsAbstract" xml:lang="en-US">Related Party Transactions [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RelatedPartyTransactionsAbstract" xml:lang="en-US">Related Party Transactions [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_RelatedPartyTransactionsAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_RelatedPartyTransactionsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="loc_K196K48I138K_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xml:lang="en-US">Related Party Transactions Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xml:lang="en-US">Related Party Transactions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:to="lab_M318M60K350M_us-gaap_RelatedPartyTransactionsDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FinancialInstrumentsWithOffBalanceSheetRiskAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_FinancialInstrumentsWithOffBalanceSheetRiskAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FinancialInstrumentsWithOffBalanceSheetRiskAbstract" xml:lang="en-US">Financial Instruments With Off-Balance Sheet Risk [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FinancialInstrumentsWithOffBalanceSheetRiskAbstract" xml:lang="en-US">Financial Instruments With Off Balance Sheet Risk [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_FinancialInstrumentsWithOffBalanceSheetRiskAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_FinancialInstrumentsWithOffBalanceSheetRiskAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FinancialInstrumentsWithOffBalanceSheetRiskTextBlock" xlink:label="loc_K196K48I138K_sfst_FinancialInstrumentsWithOffBalanceSheetRiskTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FinancialInstrumentsWithOffBalanceSheetRiskTextBlock" xml:lang="en-US">Financial Instruments With Off Balance Sheet Risk [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_FinancialInstrumentsWithOffBalanceSheetRiskTextBlock" xml:lang="en-US">Financial Instruments With Off-Balance Sheet Risk</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_FinancialInstrumentsWithOffBalanceSheetRiskTextBlock" xml:lang="en-US">The entire disclosure for financial instruments with off-balance sheet risk.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FinancialInstrumentsWithOffBalanceSheetRiskTextBlock" xlink:to="lab_M318M60K350M_sfst_FinancialInstrumentsWithOffBalanceSheetRiskTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_EmployeeBenefitPlanAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_EmployeeBenefitPlanAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_EmployeeBenefitPlanAbstract" xml:lang="en-US">Employee Benefit Plan [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_EmployeeBenefitPlanAbstract" xml:lang="en-US">Employee Benefit Plan [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_EmployeeBenefitPlanAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_EmployeeBenefitPlanAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="loc_K196K48I138K_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xml:lang="en-US">Pension and Other Postretirement Benefits Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xml:lang="en-US">Employee Benefit Plan</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:to="lab_M318M60K350M_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xml:lang="en-US">Stock-Based Compensation [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xml:lang="en-US">Disclosure of Compensation Related Costs, Share-based Payments [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_K196K48I138K_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xml:lang="en-US">Disclosure Of Compensation Related Costs, Share-Based Payments [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xml:lang="en-US">Stock-Based Compensation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:to="lab_M318M60K350M_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DividendAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_DividendAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DividendAbstract" xml:lang="en-US">Dividends [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_DividendAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_DividendAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DividendsDisclosureTextBlock" xlink:label="loc_K196K48I138K_sfst_DividendsDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_DividendsDisclosureTextBlock" xml:lang="en-US">Dividends Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_DividendsDisclosureTextBlock" xml:lang="en-US">Dividends</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_DividendsDisclosureTextBlock" xml:lang="en-US">Dividends disclosure.</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_RegulatoryMattersAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_RegulatoryMattersAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_RegulatoryMattersAbstract" xml:lang="en-US">Regulatory Matters [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_RegulatoryMattersAbstract" xml:lang="en-US">Regulatory Matters [Abstract]</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock" xlink:label="loc_K196K48I138K_us-gaap_RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock" xml:lang="en-US">Regulatory Capital Requirements Under Banking Regulations [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock" xml:lang="en-US">Regulatory Matters</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_SegmentReportingAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SegmentReportingAbstract" xml:lang="en-US">Reportable Segments [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_SegmentReportingAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_SegmentReportingAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_K196K48I138K_us-gaap_SegmentReportingDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_SegmentReportingDisclosureTextBlock" xml:lang="en-US">Segment Reporting Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_SegmentReportingDisclosureTextBlock" xml:lang="en-US">Reportable Segments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="lab_M318M60K350M_us-gaap_SegmentReportingDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" xml:lang="en-US">Parent Company Financial Information [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" xml:lang="en-US">Condensed Financial Information of Parent Company Only Disclosure [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" xlink:label="loc_K196K48I138K_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" xml:lang="en-US">Condensed Financial Information Of Parent Company Only Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" xml:lang="en-US">Parent Company Financial Information</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" xlink:to="lab_M318M60K350M_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_QuarterlyFinancialInformationDisclosureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xml:lang="en-US">Selected Condensed Quarterly Financial Data (Unaudited) [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xml:lang="en-US">Quarterly Financial Information Disclosure [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_QuarterlyFinancialInformationDisclosureAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="loc_K196K48I138K_us-gaap_QuarterlyFinancialInformationTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_QuarterlyFinancialInformationTextBlock" xml:lang="en-US">Quarterly Financial Information [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_QuarterlyFinancialInformationTextBlock" xml:lang="en-US">Selected Condensed Quarterly Financial Data (Unaudited)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_QuarterlyFinancialInformationTextBlock" xlink:to="lab_M318M60K350M_us-gaap_QuarterlyFinancialInformationTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_BusinessActivityPolicyTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_BusinessActivityPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_BusinessActivityPolicyTextBlock" xml:lang="en-US">Business Activity [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_BusinessActivityPolicyTextBlock" xml:lang="en-US">Business activity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_BusinessActivityPolicyTextBlock" xml:lang="en-US">Business activity.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_BusinessActivityPolicyTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_sfst_BusinessActivityPolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="loc_K196K48I138K_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xml:lang="en-US">Basis Of Accounting, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xml:lang="en-US">Basis of Presentation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:to="lab_M318M60K350M_us-gaap_BasisOfAccountingPolicyPolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_UseOfEstimates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_UseOfEstimates" xml:lang="en-US">Use Of Estimates, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_UseOfEstimates" xml:lang="en-US">Use of Estimates</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_UseOfEstimates" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_UseOfEstimates"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskCreditRisk" xlink:label="loc_K196K48I138K_us-gaap_ConcentrationRiskCreditRisk" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ConcentrationRiskCreditRisk" xml:lang="en-US">Concentration Risk, Credit Risk, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ConcentrationRiskCreditRisk" xml:lang="en-US">Risks and Uncertainties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ConcentrationRiskCreditRisk" xlink:to="lab_M318M60K350M_us-gaap_ConcentrationRiskCreditRisk"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventsPolicyPolicyTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_SubsequentEventsPolicyPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SubsequentEventsPolicyPolicyTextBlock" xml:lang="en-US">Subsequent Events, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SubsequentEventsPolicyPolicyTextBlock" xml:lang="en-US">Subsequent Events</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_SubsequentEventsPolicyPolicyTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_SubsequentEventsPolicyPolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:label="loc_K196K48I138K_us-gaap_FairValueMeasurementPolicyPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xml:lang="en-US">Fair Value Measurement, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xml:lang="en-US">Initial Adoption of Fair Value Option</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:to="lab_M318M60K350M_us-gaap_FairValueMeasurementPolicyPolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PriorPeriodReclassificationAdjustmentDescription" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xml:lang="en-US">Reclassification, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xml:lang="en-US">Reclassifications</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PriorPeriodReclassificationAdjustmentDescription"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="loc_K196K48I138K_us-gaap_CashAndCashEquivalentsPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xml:lang="en-US">Cash and Cash Equivalents, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xml:lang="en-US">Cash and Cash Equivalents</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="lab_M318M60K350M_us-gaap_CashAndCashEquivalentsPolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentPolicyTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InvestmentPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentPolicyTextBlock" xml:lang="en-US">Investment, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentPolicyTextBlock" xml:lang="en-US">Investment Securities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InvestmentPolicyTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentPolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_OtherInvestmentsPolicyTextBlock" xlink:label="loc_K196K48I138K_sfst_OtherInvestmentsPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_OtherInvestmentsPolicyTextBlock" xml:lang="en-US">Other Investments [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_OtherInvestmentsPolicyTextBlock" xml:lang="en-US">Other Investments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_OtherInvestmentsPolicyTextBlock" xml:lang="en-US">Other Investments.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_OtherInvestmentsPolicyTextBlock" xlink:to="lab_M318M60K350M_sfst_OtherInvestmentsPolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinanceLoansAndLeasesReceivablePolicy" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FinanceLoansAndLeasesReceivablePolicy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinanceLoansAndLeasesReceivablePolicy" xml:lang="en-US">Finance, Loans and Leases Receivable, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinanceLoansAndLeasesReceivablePolicy" xml:lang="en-US">Loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FinanceLoansAndLeasesReceivablePolicy" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FinanceLoansAndLeasesReceivablePolicy"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivablePastDueStatusPolicy" xlink:label="loc_K196K48I138K_us-gaap_LoansAndLeasesReceivablePastDueStatusPolicy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivablePastDueStatusPolicy" xml:lang="en-US">Loans and Leases Receivable, Past Due Status, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivablePastDueStatusPolicy" xml:lang="en-US">Nonaccrual and Past Due Loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LoansAndLeasesReceivablePastDueStatusPolicy" xlink:to="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivablePastDueStatusPolicy"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableNonperformingLoanAndLeasePolicy" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LoansAndLeasesReceivableNonperformingLoanAndLeasePolicy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansAndLeasesReceivableNonperformingLoanAndLeasePolicy" xml:lang="en-US">Loans and Leases Receivable, Nonperforming Loan and Lease, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansAndLeasesReceivableNonperformingLoanAndLeasePolicy" xml:lang="en-US">Nonperforming Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LoansAndLeasesReceivableNonperformingLoanAndLeasePolicy" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LoansAndLeasesReceivableNonperformingLoanAndLeasePolicy"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairedFinancingReceivablePolicyPolicyTextBlock" xlink:label="loc_K196K48I138K_us-gaap_ImpairedFinancingReceivablePolicyPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivablePolicyPolicyTextBlock" xml:lang="en-US">Impaired Financing Receivable, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivablePolicyPolicyTextBlock" xml:lang="en-US">Impaired Loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ImpairedFinancingReceivablePolicyPolicyTextBlock" xlink:to="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivablePolicyPolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_LoanChargeOffPolicyPolicyTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_LoanChargeOffPolicyPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LoanChargeOffPolicyPolicyTextBlock" xml:lang="en-US">Loan Charge Off Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LoanChargeOffPolicyPolicyTextBlock" xml:lang="en-US">Loan Charge-off Policy</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LoanChargeOffPolicyPolicyTextBlock" xml:lang="en-US">Loan Charge off Policy.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_LoanChargeOffPolicyPolicyTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_sfst_LoanChargeOffPolicyPolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableTroubledDebtRestructuringPolicy" xlink:label="loc_K196K48I138K_us-gaap_LoansAndLeasesReceivableTroubledDebtRestructuringPolicy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableTroubledDebtRestructuringPolicy" xml:lang="en-US">Loans and Leases Receivable, Troubled Debt Restructuring Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableTroubledDebtRestructuringPolicy" xml:lang="en-US">Troubled Debt Restructuring (TDRs)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LoansAndLeasesReceivableTroubledDebtRestructuringPolicy" xlink:to="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableTroubledDebtRestructuringPolicy"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy" xml:lang="en-US">Loans and Leases Receivable, Allowance For Loan Losses Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy" xml:lang="en-US">Allowance for Loan Losses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstatePolicyTextBlock" xlink:label="loc_K196K48I138K_us-gaap_RealEstatePolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_RealEstatePolicyTextBlock" xml:lang="en-US">Real Estate, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_RealEstatePolicyTextBlock" xml:lang="en-US">Other Real Estate Owned</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_RealEstatePolicyTextBlock" xlink:to="lab_M318M60K350M_us-gaap_RealEstatePolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xml:lang="en-US">Property, Plant and Equipment, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xml:lang="en-US">Property and Equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_BankOwnedLifeInsurancePoliciesPolicyTextBlock" xlink:label="loc_K196K48I138K_sfst_BankOwnedLifeInsurancePoliciesPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_BankOwnedLifeInsurancePoliciesPolicyTextBlock" xml:lang="en-US">Bank Owned Life Insurance Policies [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_BankOwnedLifeInsurancePoliciesPolicyTextBlock" xml:lang="en-US">Bank Owned Life Insurance Policies</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_BankOwnedLifeInsurancePoliciesPolicyTextBlock" xml:lang="en-US">Bank Owned Life Insurance Policies.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_BankOwnedLifeInsurancePoliciesPolicyTextBlock" xlink:to="lab_M318M60K350M_sfst_BankOwnedLifeInsurancePoliciesPolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RepurchaseAndResaleAgreementsPolicy" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_RepurchaseAndResaleAgreementsPolicy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RepurchaseAndResaleAgreementsPolicy" xml:lang="en-US">Repurchase and Resale Agreements Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RepurchaseAndResaleAgreementsPolicy" xml:lang="en-US">Securities Sold Under Agreements to Repurchase</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_RepurchaseAndResaleAgreementsPolicy" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_RepurchaseAndResaleAgreementsPolicy"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xlink:label="loc_K196K48I138K_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xml:lang="en-US">Comprehensive Income, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xml:lang="en-US">Comprehensive Income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xlink:to="lab_M318M60K350M_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxPolicyTextBlock" xml:lang="en-US">Income Tax, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxPolicyTextBlock" xml:lang="en-US">Income Taxes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxPolicyTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxPolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="loc_K196K48I138K_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xml:lang="en-US">Share-Based Compensation, Option and Incentive Plans Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xml:lang="en-US">Stock-Based Compensation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:to="lab_M318M60K350M_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xml:lang="en-US">New Accounting Pronouncements, Policy [Policy Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xml:lang="en-US">Recently Issued Accounting Pronouncements</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock" xml:lang="en-US">Schedule Of Available-For-Sale Securities Reconciliation [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock" xml:lang="en-US">Summary of amortized costs and fair value of investment securities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xml:lang="en-US">Investments Classified By Contractual Maturity Date [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xml:lang="en-US">Summary of amortized costs and fair values of investment securities available for sale by contractual maturity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock" xml:lang="en-US">Schedule Of Unrealized Loss On Investments [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock" xml:lang="en-US">Summary of gross unrealized losses on investment securities and fair market value of related securities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfOtherInvestmentsNotReadilyMarketableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfOtherInvestmentsNotReadilyMarketableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfOtherInvestmentsNotReadilyMarketableTextBlock" xml:lang="en-US">Schedule Of Other Investments Not Readily Marketable [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfOtherInvestmentsNotReadilyMarketableTextBlock" xml:lang="en-US">Summary of other investments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfOtherInvestmentsNotReadilyMarketableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfOtherInvestmentsNotReadilyMarketableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfFinancingReceivablesPastDueTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xml:lang="en-US">Schedule Of Financing Receivables Past Due [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xml:lang="en-US">Schedule of Financing Receivables Past Due [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfFinancingReceivablesPastDueTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FinancialInstrumentAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancialInstrumentAxis" xml:lang="en-US">Financial Instrument [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancialInstrumentAxis" xml:lang="en-US">Financial Instrument [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FinancialInstrumentAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FinancialInstrumentAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_K196K48I138K_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xml:lang="en-US">Financial Instruments [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xml:lang="en-US">Types of Financial Instruments [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="lab_M318M60K350M_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommercialLoanMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CommercialLoanMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CommercialLoanMember" xml:lang="en-US">Commercial Loan [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CommercialLoanMember" xml:lang="en-US">Commercial Loans [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CommercialLoanMember" xml:lang="en-US">Commercial [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CommercialLoanMember" xml:lang="en-US">Commercial loans [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_CommercialLoanMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_CommercialLoanMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsumerLoanMember" xlink:label="loc_K196K48I138K_us-gaap_ConsumerLoanMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ConsumerLoanMember" xml:lang="en-US">Consumer Loan [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_ConsumerLoanMember" xml:lang="en-US">Consumer loans [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ConsumerLoanMember" xml:lang="en-US">Consumer [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ConsumerLoanMember" xlink:to="lab_M318M60K350M_us-gaap_ConsumerLoanMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xml:lang="en-US">Financing Receivable, Allowance for Credit Losses [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xml:lang="en-US">Financing Receivable, Allowance for Credit Losses [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PastDueFinancingReceivablesTableTextBlock" xlink:label="loc_K196K48I138K_us-gaap_PastDueFinancingReceivablesTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PastDueFinancingReceivablesTableTextBlock" xml:lang="en-US">Past Due Financing Receivables [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_PastDueFinancingReceivablesTableTextBlock" xml:lang="en-US">Outstanding commercial and consumer loans which include loans on nonaccrual by past due status</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PastDueFinancingReceivablesTableTextBlock" xlink:to="lab_M318M60K350M_us-gaap_PastDueFinancingReceivablesTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xml:lang="en-US">Schedule Of Accounts, Notes, Loans and Financing Receivable [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xml:lang="en-US">Summary of composition of loan portfolio</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_LoanReceivableByRateTypeTableTextBlock" xlink:label="loc_K196K48I138K_sfst_LoanReceivableByRateTypeTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_LoanReceivableByRateTypeTableTextBlock" xml:lang="en-US">Loan Receivable By Rate Type [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_LoanReceivableByRateTypeTableTextBlock" xml:lang="en-US">Composition of gross loans by rate type</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_LoanReceivableByRateTypeTableTextBlock" xml:lang="en-US">Composition of gross loans by rate type.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_LoanReceivableByRateTypeTableTextBlock" xlink:to="lab_M318M60K350M_sfst_LoanReceivableByRateTypeTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock" xml:lang="en-US">Schedule Of Financing Receivables, Non Accrual Status [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock" xml:lang="en-US">Summary of nonperforming assets, including nonaccruing TDRs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairedFinancingReceivablesTableTextBlock" xlink:label="loc_K196K48I138K_us-gaap_ImpairedFinancingReceivablesTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivablesTableTextBlock" xml:lang="en-US">Impaired Financing Receivables [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivablesTableTextBlock" xml:lang="en-US">Summary of key information for impaired loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ImpairedFinancingReceivablesTableTextBlock" xlink:to="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivablesTableTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SummaryOfAverageRecordedInvestmentInImpairedLoansAndAmountOfInterestIncomeTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_SummaryOfAverageRecordedInvestmentInImpairedLoansAndAmountOfInterestIncomeTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SummaryOfAverageRecordedInvestmentInImpairedLoansAndAmountOfInterestIncomeTableTextBlock" xml:lang="en-US">Summary Of Average Recorded Investment In Impaired Loans and Amount Of Interest Income [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SummaryOfAverageRecordedInvestmentInImpairedLoansAndAmountOfInterestIncomeTableTextBlock" xml:lang="en-US">Summary of average recorded investment and interest income recognized on impaired loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SummaryOfAverageRecordedInvestmentInImpairedLoansAndAmountOfInterestIncomeTableTextBlock" xml:lang="en-US">Summary of average recorded investment in impaired loans and the amount of interest income.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_SummaryOfAverageRecordedInvestmentInImpairedLoansAndAmountOfInterestIncomeTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_sfst_SummaryOfAverageRecordedInvestmentInImpairedLoansAndAmountOfInterestIncomeTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock" xlink:label="loc_K196K48I138K_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock" xml:lang="en-US">Allowance For Credit Losses On Financing Receivables [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock" xml:lang="en-US">Summary of activity related to allowance for loan losses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock" xlink:to="lab_M318M60K350M_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SummaryOfAllowanceForLoanLossesByCommercialAndConsumerPortfolioSegmentsTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_SummaryOfAllowanceForLoanLossesByCommercialAndConsumerPortfolioSegmentsTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SummaryOfAllowanceForLoanLossesByCommercialAndConsumerPortfolioSegmentsTableTextBlock" xml:lang="en-US">Summary Of Allowance For Loan Losses By Commercial and Consumer Portfolio Segments [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SummaryOfAllowanceForLoanLossesByCommercialAndConsumerPortfolioSegmentsTableTextBlock" xml:lang="en-US">Summary of allowance for loan losses by commercial and consumer portfolio segments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SummaryOfAllowanceForLoanLossesByCommercialAndConsumerPortfolioSegmentsTableTextBlock" xml:lang="en-US">Summary of allowance for loan losses by commercial and consumer portfolio segments.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_SummaryOfAllowanceForLoanLossesByCommercialAndConsumerPortfolioSegmentsTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_sfst_SummaryOfAllowanceForLoanLossesByCommercialAndConsumerPortfolioSegmentsTableTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ImpairmentMethodologyForCreditLossesOnFinancingReceivablesTableTextBlock" xlink:label="loc_K196K48I138K_sfst_ImpairmentMethodologyForCreditLossesOnFinancingReceivablesTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_ImpairmentMethodologyForCreditLossesOnFinancingReceivablesTableTextBlock" xml:lang="en-US">Impairment Methodology For Credit Losses On Financing Receivables [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_ImpairmentMethodologyForCreditLossesOnFinancingReceivablesTableTextBlock" xml:lang="en-US">Summary of allowance for loan losses and recorded investment in loans by impairment methodology</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_ImpairmentMethodologyForCreditLossesOnFinancingReceivablesTableTextBlock" xml:lang="en-US">Impairment methodology for credit losses on financing receivables.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_ImpairmentMethodologyForCreditLossesOnFinancingReceivablesTableTextBlock" xlink:to="lab_M318M60K350M_sfst_ImpairmentMethodologyForCreditLossesOnFinancingReceivablesTableTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_OutstandingLoansByRiskCategoryTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_OutstandingLoansByRiskCategoryTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OutstandingLoansByRiskCategoryTableTextBlock" xml:lang="en-US">Outstanding Loans By Risk Category [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OutstandingLoansByRiskCategoryTableTextBlock" xml:lang="en-US">Summary of breakdown of outstanding loans by risk category</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OutstandingLoansByRiskCategoryTableTextBlock" xml:lang="en-US">Outstanding commercial and consumer loans by risk category.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_OutstandingLoansByRiskCategoryTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_sfst_OutstandingLoansByRiskCategoryTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock" xlink:label="loc_K196K48I138K_us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock" xml:lang="en-US">Troubled Debt Restructurings On Financing Receivables [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock" xml:lang="en-US">Summary of concession at the time of modification and the recorded investment in our TDRs before and after their modificatioN</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock" xlink:to="lab_M318M60K350M_us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PropertyPlantAndEquipmentTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentTextBlock" xml:lang="en-US">Property, Plant and Equipment [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentTextBlock" xml:lang="en-US">Components of property and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" xlink:label="loc_K196K48I138K_sfst_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" xml:lang="en-US">Schedule Of Estimated Useful Lives Of Property Plant and Equipment [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" xml:lang="en-US">Schedule of estimated useful lives of property and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" xml:lang="en-US">Schedule of estimated useful lives of property plant and equipment.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock" xlink:to="lab_M318M60K350M_sfst_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherRealEstateRollForwardTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OtherRealEstateRollForwardTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherRealEstateRollForwardTableTextBlock" xml:lang="en-US">Other Real Estate, Roll Forward [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherRealEstateRollForwardTableTextBlock" xml:lang="en-US">Summary of activity of real estate acquired in settlement of loans portion of other real estate owned</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_OtherRealEstateRollForwardTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OtherRealEstateRollForwardTableTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DetailOfDepositAccountsTableTextBlock" xlink:label="loc_K196K48I138K_sfst_DetailOfDepositAccountsTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_DetailOfDepositAccountsTableTextBlock" xml:lang="en-US">Detail Of Deposit Accounts [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_DetailOfDepositAccountsTableTextBlock" xml:lang="en-US">Schedule of detail in deposit accounts</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_DetailOfDepositAccountsTableTextBlock" xml:lang="en-US">Tabular disclosure for detail of the deposit accounts.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_DetailOfDepositAccountsTableTextBlock" xlink:to="lab_M318M60K350M_sfst_DetailOfDepositAccountsTableTextBlock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ScheduledMaturitiesOfCertificatesOfDepositTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_ScheduledMaturitiesOfCertificatesOfDepositTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ScheduledMaturitiesOfCertificatesOfDepositTableTextBlock" xml:lang="en-US">Scheduled Maturities Of Certificates Of Deposit [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ScheduledMaturitiesOfCertificatesOfDepositTableTextBlock" xml:lang="en-US">Scheduled maturities of certificates of deposit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ScheduledMaturitiesOfCertificatesOfDepositTableTextBlock" xml:lang="en-US">Tabular disclosure for scheduled maturities of certificates of deposit.</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfRepurchaseAgreements" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfRepurchaseAgreements" />
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock" xml:lang="en-US">Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xml:lang="en-US">Schedule Of Fair Value, Assets and Liabilities Measured On Recurring Basis [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xml:lang="en-US">Schedule of assets and liabilities measured at fair value on recurring basis</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock" xlink:label="loc_K196K48I138K_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock" xml:lang="en-US">Fair Value Measurements, Nonrecurring [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock" xml:lang="en-US">Schedule of assets and liabilities measured at fair value on nonrecurring basis</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock" xlink:to="lab_M318M60K350M_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xml:lang="en-US">Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xml:lang="en-US">Schedule of unobservable inputs used in the fair value measurements</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:label="loc_K196K48I138K_us-gaap_FairValueByBalanceSheetGroupingTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueByBalanceSheetGroupingTextBlock" xml:lang="en-US">Fair Value, By Balance Sheet Grouping [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueByBalanceSheetGroupingTextBlock" xml:lang="en-US">Schedule of estimated fair values of the Company's financial instruments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:to="lab_M318M60K350M_us-gaap_FairValueByBalanceSheetGroupingTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xml:lang="en-US">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xml:lang="en-US">Schedule of earnings per share calculation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:label="loc_K196K48I138K_us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xml:lang="en-US">Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xml:lang="en-US">Summary of estimated future minimum lease payments under noncancelable operating leases</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:to="lab_M318M60K350M_us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xml:lang="en-US">Schedule Of Components Of Income Tax Expense (Benefit) [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xml:lang="en-US">Summary of components of income tax expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xml:lang="en-US">Schedule Of Effective Income Tax Rate Reconciliation [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xml:lang="en-US">Summary of taxes computed using the statutory tax rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xml:lang="en-US">Schedule Of Deferred Tax Assets and Liabilities [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xml:lang="en-US">Summary of components of the deferred tax assets and liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" xml:lang="en-US">Schedule Of Related Party Transactions [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" xml:lang="en-US">Summary of loan transactions with directors and executive officers, including their affiliates</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xml:lang="en-US">Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xml:lang="en-US">Schedule of stock-based compensation expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock" xml:lang="en-US">Schedule Of Share-Based Compensation, Employee Stock Purchase Plan, Activity [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock" xml:lang="en-US">Summary of the status of the stock option plan and changes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAssumptionsUsedTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock" xml:lang="en-US">Schedule of Assumptions Used [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock" xml:lang="en-US">Schedule of assumptions used</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock" xml:lang="en-US">Schedule Of Nonvested Restricted Stock Units Activity [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock" xml:lang="en-US">Summary of the status of the Company's nonvested restricted stock and changes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock" xml:lang="en-US">Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock" xml:lang="en-US">Summary of capital amounts and ratios of the Bank and the Company and the regulatory minimum requirements</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" />
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xml:lang="en-US">Schedule of financial information for each reportable segment</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfCondensedFinancialStatementsTableTextBlock" xml:lang="en-US">Schedule of condensed financial information of Southern First Bancshares, Inc. (parent company only)</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SummaryOfSignificantAccountingPoliciesAndActivitiesTextualAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_SummaryOfSignificantAccountingPoliciesAndActivitiesTextualAbstract" />
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_RealEstateLoanPercentageOfAggregateLoan" xlink:label="loc_K196K48I138K_sfst_RealEstateLoanPercentageOfAggregateLoan" />
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashEquivalentsAtCarryingValue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CashEquivalentsAtCarryingValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CashEquivalentsAtCarryingValue" xml:lang="en-US">Cash Equivalents, at Carrying Value</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_InvestmentInTrusts" xlink:label="loc_K196K48I138K_sfst_InvestmentInTrusts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_InvestmentInTrusts" xml:lang="en-US">Investment In Trusts</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_InvestmentInTrusts" xml:lang="en-US">Investment in trusts</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_InvestmentInTrusts" xml:lang="en-US">Investment in trusts.</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_IncomeTaxDescription" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_IncomeTaxDescription" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_IncomeTaxDescription" xml:lang="en-US">Income Tax Description</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_IncomeTaxDescription" xml:lang="en-US">Description of tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_IncomeTaxDescription" xml:lang="en-US">Description of income tax.</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable" xlink:label="loc_K196K48I138K_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable" xml:lang="en-US">Capital Leases, Future Minimum Payments Receivable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable" xml:lang="en-US">Future minimum lease payments</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xml:lang="en-US">Schedule Of Available-For-Sale Securities [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xml:lang="en-US">Schedule of Available-for-sale Securities [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_K196K48I138K_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xml:lang="en-US">Major Types Of Debt and Equity Securities [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xml:lang="en-US">Major Types of Debt and Equity Securities [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="lab_M318M60K350M_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xml:lang="en-US">Major Types Of Debt and Equity Securities [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xml:lang="en-US">Major Types of Debt and Equity Securities [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AgencySecuritiesMember" xlink:label="loc_K196K48I138K_us-gaap_AgencySecuritiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AgencySecuritiesMember" xml:lang="en-US">Agency Securities [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_AgencySecuritiesMember" xml:lang="en-US">US government agencies [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AgencySecuritiesMember" xml:lang="en-US">US Agency securities [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AgencySecuritiesMember" xlink:to="lab_M318M60K350M_us-gaap_AgencySecuritiesMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SbaSecuritiesMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_SbaSecuritiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SbaSecuritiesMember" xml:lang="en-US">Sba Securities [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SbaSecuritiesMember" xml:lang="en-US">SBA securities [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SbaSecuritiesMember" xml:lang="en-US">SBA securities [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SbaSecuritiesMember" xml:lang="en-US">Sbs securities.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_SbaSecuritiesMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_SbaSecuritiesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_USStatesAndPoliticalSubdivisionsMember" xlink:label="loc_K196K48I138K_us-gaap_USStatesAndPoliticalSubdivisionsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_USStatesAndPoliticalSubdivisionsMember" xml:lang="en-US">Us States and Political Subdivisions Debt Securities [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_USStatesAndPoliticalSubdivisionsMember" xml:lang="en-US">State and political subdivisions [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_USStatesAndPoliticalSubdivisionsMember" xlink:to="lab_M318M60K350M_us-gaap_USStatesAndPoliticalSubdivisionsMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MortgageBackedSecuritiesMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_MortgageBackedSecuritiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MortgageBackedSecuritiesMember" xml:lang="en-US">Collateralized Mortgage Backed Securities [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MortgageBackedSecuritiesMember" xml:lang="en-US">Mortgage-backed [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MortgageBackedSecuritiesMember" xml:lang="en-US">Mortgage-backed securities [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_MortgageBackedSecuritiesMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_MortgageBackedSecuritiesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember" xlink:label="loc_K196K48I138K_us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember" xml:lang="en-US">Us Government Corporations and Agencies Securities [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember" xml:lang="en-US">Government sponsored enterprises [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember" xlink:to="lab_M318M60K350M_us-gaap_USGovernmentCorporationsAndAgenciesSecuritiesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentTypeAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InvestmentTypeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentTypeAxis" xml:lang="en-US">Investment Type [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentTypeAxis" xml:lang="en-US">Investment Type [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InvestmentTypeAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentTypeAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="loc_K196K48I138K_us-gaap_InvestmentTypeCategorizationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_InvestmentTypeCategorizationMember" xml:lang="en-US">Investment Type Categorization [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_InvestmentTypeCategorizationMember" xml:lang="en-US">Investment Type Categorization [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_InvestmentTypeCategorizationMember" xlink:to="lab_M318M60K350M_us-gaap_InvestmentTypeCategorizationMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanMortgageCorporationCertificatesAndObligationsFHLMCMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FederalHomeLoanMortgageCorporationCertificatesAndObligationsFHLMCMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FederalHomeLoanMortgageCorporationCertificatesAndObligationsFHLMCMember" xml:lang="en-US">Federal Home Loan Mortgage Corporation Certificates and Obligations (Fhlmc) [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FederalHomeLoanMortgageCorporationCertificatesAndObligationsFHLMCMember" xml:lang="en-US">FHLMC [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FederalHomeLoanMortgageCorporationCertificatesAndObligationsFHLMCMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FederalHomeLoanMortgageCorporationCertificatesAndObligationsFHLMCMember"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_NumberOfInvestmentsInContinuousUnrealizedLossPositionLessThanTwelveMonths" xml:lang="en-US">Number of investments in continuous unrealized loss position, less than twelve months.</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xml:lang="en-US">Available-for-sale Securities, Less than 12 months, Fair Value</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses" xml:lang="en-US">Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses" xml:lang="en-US">Available-for-sale Securities, Less than 12 months, Unrealized losses</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NumberOfInvestmentsInContinuousUnrealizedLossPositionTwelveMonthsOrLonger" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_NumberOfInvestmentsInContinuousUnrealizedLossPositionTwelveMonthsOrLonger" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfInvestmentsInContinuousUnrealizedLossPositionTwelveMonthsOrLonger" xml:lang="en-US">Number Of Investments In Continuous Unrealized Loss Position Twelve Months Or Longer</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfInvestmentsInContinuousUnrealizedLossPositionTwelveMonthsOrLonger" xml:lang="en-US">Number of investments, 12 months or longer</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfInvestmentsInContinuousUnrealizedLossPositionTwelveMonthsOrLonger" xml:lang="en-US">Number of investments in continuous unrealized loss position twelve months or longer.</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:label="loc_K196K48I138K_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" />
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xml:lang="en-US">Available-for-sale Securities, 12 months or longer, Fair Value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:to="lab_M318M60K350M_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses" xml:lang="en-US">Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses" xml:lang="en-US">Available-for-sale Securities, 12 months or Longer, Unrealized losses</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NumberOfInvestmentsInContinuousUnrealizedLossPosition" xlink:label="loc_K196K48I138K_sfst_NumberOfInvestmentsInContinuousUnrealizedLossPosition" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_NumberOfInvestmentsInContinuousUnrealizedLossPosition" xml:lang="en-US">Number Of Investments In Continuous Unrealized Loss Position</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_NumberOfInvestmentsInContinuousUnrealizedLossPosition" xml:lang="en-US">Number of investments, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_sfst_NumberOfInvestmentsInContinuousUnrealizedLossPosition" xml:lang="en-US">Number of investments, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_NumberOfInvestmentsInContinuousUnrealizedLossPosition" xml:lang="en-US">Number of investments in continuous unrealized loss position.</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xml:lang="en-US">Available-For-Sale Securities, Continuous Unrealized Loss Position, Fair Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xml:lang="en-US">Available-for-sale Securities, Fair Value, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xml:lang="en-US">Available-for-sale Securities, Fair Value, Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses" xml:lang="en-US">Available-for-sale Securities, Unrealized Losses, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses" xml:lang="en-US">Available-for-sale Securities, Unrealized Losses, Total</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionLessThanTwelveMonths" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionLessThanTwelveMonths" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionLessThanTwelveMonths" xml:lang="en-US">Investments With Fair Market Value In Continuous Unrealized Loss Position Less Than Twelve Months</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionLessThanTwelveMonths" xml:lang="en-US">Fair market value, less than 12 months</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionLessThanTwelveMonths" xml:lang="en-US">Fair Market Value, less than 12 months</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionLessThanTwelveMonths" xml:lang="en-US">Investments with fair market value in continuous unrealized loss position for less than twelve months.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionLessThanTwelveMonths" xlink:to="lab_0J8HJH6K61II107LH824_sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionLessThanTwelveMonths"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionTwelveMonthsOrLonger" xlink:label="loc_K196K48I138K_sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionTwelveMonthsOrLonger" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionTwelveMonthsOrLonger" xml:lang="en-US">Investments With Fair Market Value In Continuous Unrealized Loss Position Twelve Months Or Longer</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionTwelveMonthsOrLonger" xml:lang="en-US">Fair market value,12 months or longer</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionTwelveMonthsOrLonger" xml:lang="en-US">Fair Market Value,12 months or longer</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionTwelveMonthsOrLonger" xml:lang="en-US">Investments with fair market value In continuous unrealized loss position twelve months or longer.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionTwelveMonthsOrLonger" xlink:to="lab_M318M60K350M_sfst_InvestmentsWithFairMarketValueInContinuousUnrealizedLossPositionTwelveMonthsOrLonger"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral" xml:lang="en-US">Available-For-Sale Securities Pledged As Collateral</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral" xml:lang="en-US">Securities pledged as collateral for repurchase agreements from brokers</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SecuritiesPledgedToSecureClientDeposit" xlink:label="loc_K196K48I138K_sfst_SecuritiesPledgedToSecureClientDeposit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_SecuritiesPledgedToSecureClientDeposit" xml:lang="en-US">Securities Pledged To Secure Client Deposit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_SecuritiesPledgedToSecureClientDeposit" xml:lang="en-US">Securities pledged to secure client deposit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_SecuritiesPledgedToSecureClientDeposit" xml:lang="en-US">Securities pledged to secure client deposit.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_SecuritiesPledgedToSecureClientDeposit" xlink:to="lab_M318M60K350M_sfst_SecuritiesPledgedToSecureClientDeposit"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_MortgageLoansHeldForSaleTextualAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_MortgageLoansHeldForSaleTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_MortgageLoansHeldForSaleTextualAbstract" xml:lang="en-US">Mortgage Loans Held For Sale Textual [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_MortgageLoansHeldForSaleTextualAbstract" xml:lang="en-US">Mortgage Loans Held for Sale (Textual)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_MortgageLoansHeldForSaleTextualAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_MortgageLoansHeldForSaleTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MortgagesHeldForSaleFairValueDisclosure" xlink:label="loc_K196K48I138K_us-gaap_MortgagesHeldForSaleFairValueDisclosure" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_MortgagesHeldForSaleFairValueDisclosure" xml:lang="en-US">Mortgages Held-for-sale, Fair Value Disclosure</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_MortgagesHeldForSaleFairValueDisclosure" xml:lang="en-US">Mortgage loans held for sale, fair value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_MortgagesHeldForSaleFairValueDisclosure" xlink:to="lab_M318M60K350M_us-gaap_MortgagesHeldForSaleFairValueDisclosure"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xml:lang="en-US">Schedule Of Accounts, Notes, Loans and Financing Receivable [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xml:lang="en-US">Schedule of Accounts, Notes, Loans and Financing Receivable [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:label="loc_K196K48I138K_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xml:lang="en-US">Class of Financing Receivable, Type [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xml:lang="en-US">Portfolio Segment [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:to="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xml:lang="en-US">Class of Financing Receivable, Type [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xml:lang="en-US">Financing Receivable Allowance [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateLoanMember" xlink:label="loc_K196K48I138K_us-gaap_RealEstateLoanMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_RealEstateLoanMember" xml:lang="en-US">Real Estate Loan [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_RealEstateLoanMember" xml:lang="en-US">Real estate [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_RealEstateLoanMember" xlink:to="lab_M318M60K350M_us-gaap_RealEstateLoanMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_HomeEquityLoanMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_HomeEquityLoanMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_HomeEquityLoanMember" xml:lang="en-US">Home Equity Loan [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_HomeEquityLoanMember" xml:lang="en-US">Home equity [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_HomeEquityLoanMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_HomeEquityLoanMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConstructionLoansMember" xlink:label="loc_K196K48I138K_us-gaap_ConstructionLoansMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ConstructionLoansMember" xml:lang="en-US">Construction Loans [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ConstructionLoansMember" xml:lang="en-US">Construction [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ConstructionLoansMember" xlink:to="lab_M318M60K350M_us-gaap_ConstructionLoansMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LongtermDebtTypeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LongtermDebtTypeAxis" xml:lang="en-US">Long-term Debt, Type [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LongtermDebtTypeAxis" xml:lang="en-US">Long-term Debt, Type [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LongtermDebtTypeAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LongtermDebtTypeAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_K196K48I138K_us-gaap_LongtermDebtTypeDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LongtermDebtTypeDomain" xml:lang="en-US">Long-term Debt, Type [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LongtermDebtTypeDomain" xml:lang="en-US">Long-term Debt, Type [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LongtermDebtTypeDomain" xlink:to="lab_M318M60K350M_us-gaap_LongtermDebtTypeDomain"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_OwnerOccupiedReMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_OwnerOccupiedReMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OwnerOccupiedReMember" xml:lang="en-US">Owner Occupied Re [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OwnerOccupiedReMember" xml:lang="en-US">Owner occupied RE [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OwnerOccupiedReMember" xml:lang="en-US">Owner occupied RE [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OwnerOccupiedReMember" xml:lang="en-US">Owner occupied Real Estate.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/exampleGuidance" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OwnerOccupiedReMember" xml:lang="en-US">Owner occupied RE [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_OwnerOccupiedReMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_OwnerOccupiedReMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NonOwnerOccupiedReMember" xlink:label="loc_K196K48I138K_sfst_NonOwnerOccupiedReMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_NonOwnerOccupiedReMember" xml:lang="en-US">Non Owner Occupied Re [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_sfst_NonOwnerOccupiedReMember" xml:lang="en-US">Non-owner occupied RE [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_NonOwnerOccupiedReMember" xml:lang="en-US">Non-owner occupied RE [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_NonOwnerOccupiedReMember" xml:lang="en-US">Non owner occupied real estate.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_NonOwnerOccupiedReMember" xlink:to="lab_M318M60K350M_sfst_NonOwnerOccupiedReMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_BusinessLoanMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_BusinessLoanMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_BusinessLoanMember" xml:lang="en-US">Business Loan [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_BusinessLoanMember" xml:lang="en-US">Business [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_BusinessLoanMember" xml:lang="en-US">Business loan.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_BusinessLoanMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_BusinessLoanMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_OtherConsumerMember" xlink:label="loc_K196K48I138K_sfst_OtherConsumerMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_OtherConsumerMember" xml:lang="en-US">Other Consumer [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_OtherConsumerMember" xml:lang="en-US">Other [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_OtherConsumerMember" xml:lang="en-US">Other consumer.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_OtherConsumerMember" xlink:to="lab_M318M60K350M_sfst_OtherConsumerMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AccountsNotesAndLoansReceivableLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AccountsNotesAndLoansReceivableLineItems" xml:lang="en-US">Accounts, Notes, Loans and Financing Receivable [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AccountsNotesAndLoansReceivableLineItems" xml:lang="en-US">Accounts, Notes, Loans and Financing Receivable [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableNetReportedAmountAbstract" xlink:label="loc_K196K48I138K_us-gaap_LoansAndLeasesReceivableNetReportedAmountAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetReportedAmountAbstract" xml:lang="en-US">Loans and Leases Receivable, Net Amount [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetReportedAmountAbstract" xml:lang="en-US">Composition of loan portfolio</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LoansAndLeasesReceivableNetReportedAmountAbstract" xlink:to="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableNetReportedAmountAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_LoansAndLeasesReceivableNetOfDeferredIncomePercentage" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_LoansAndLeasesReceivableNetOfDeferredIncomePercentage" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LoansAndLeasesReceivableNetOfDeferredIncomePercentage" xml:lang="en-US">Loans And Leases Receivable Net Of Deferred Income Percentage</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LoansAndLeasesReceivableNetOfDeferredIncomePercentage" xml:lang="en-US">Total gross loans, net of deferred fees, (Percentage)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LoansAndLeasesReceivableNetOfDeferredIncomePercentage" xml:lang="en-US">Total gross loans, net of deferred fees, (Percentage)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LoansAndLeasesReceivableNetOfDeferredIncomePercentage" xml:lang="en-US">Loans and leases receivable net of deferred income percentage.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_LoansAndLeasesReceivableNetOfDeferredIncomePercentage" xlink:to="lab_0J8HJH6K61II107LH824_sfst_LoansAndLeasesReceivableNetOfDeferredIncomePercentage"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableOtherInformationAbstract" xlink:label="loc_K196K48I138K_us-gaap_LoansAndLeasesReceivableOtherInformationAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableOtherInformationAbstract" xml:lang="en-US">Loans and Leases Receivable, Other Information [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableOtherInformationAbstract" xml:lang="en-US">Composition of gross loans by rate type</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LoansAndLeasesReceivableOtherInformationAbstract" xlink:to="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableOtherInformationAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansReceivableWithVariableRatesOfInterest1" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LoansReceivableWithVariableRatesOfInterest1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableWithVariableRatesOfInterest1" xml:lang="en-US">Loans Receivable with Variable Rates of Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableWithVariableRatesOfInterest1" xml:lang="en-US">Variable rate loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableWithVariableRatesOfInterest1" xml:lang="en-US">Variable rate loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableWithVariableRatesOfInterest1" xml:lang="en-US">Variable rate loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LoansReceivableWithVariableRatesOfInterest1" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableWithVariableRatesOfInterest1"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansReceivableWithFixedRatesOfInterest1" xlink:label="loc_K196K48I138K_us-gaap_LoansReceivableWithFixedRatesOfInterest1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LoansReceivableWithFixedRatesOfInterest1" xml:lang="en-US">Loans Receivable with Fixed Rates of Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansReceivableWithFixedRatesOfInterest1" xml:lang="en-US">Fixed rate loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansReceivableWithFixedRatesOfInterest1" xml:lang="en-US">Fixed rate loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LoansReceivableWithFixedRatesOfInterest1" xlink:to="lab_M318M60K350M_us-gaap_LoansReceivableWithFixedRatesOfInterest1"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentAgingAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableRecordedInvestmentAgingAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableRecordedInvestmentAgingAbstract" xml:lang="en-US">Financing Receivable, Recorded Investment, Aging [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableRecordedInvestmentAgingAbstract" xml:lang="en-US">Outstanding commercial and consumer loans which include loans on nonaccrual status</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableRecordedInvestmentAgingAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableRecordedInvestmentAgingAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:label="loc_K196K48I138K_us-gaap_FinancingReceivableRecordedInvestmentCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestmentCurrent" xml:lang="en-US">Financing Receivable, Recorded Investment, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestmentCurrent" xml:lang="en-US">Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:to="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestmentCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableRecordedInvestmentPastDue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableRecordedInvestmentPastDue" xml:lang="en-US">Financing Receivable, Recorded Investment, Past Due</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableRecordedInvestmentPastDue" xml:lang="en-US">30-59 days past due</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableRecordedInvestmentPastDue" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableRecordedInvestmentPastDue"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FinancingReceivableRecordedInvestmentPastDueOne" xlink:label="loc_K196K48I138K_sfst_FinancingReceivableRecordedInvestmentPastDueOne" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FinancingReceivableRecordedInvestmentPastDueOne" xml:lang="en-US">Financing Receivable Recorded Investment Past Due One</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_FinancingReceivableRecordedInvestmentPastDueOne" xml:lang="en-US">60-89 days past due</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_FinancingReceivableRecordedInvestmentPastDueOne" xml:lang="en-US">Financing receivable recorded investment past due one.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FinancingReceivableRecordedInvestmentPastDueOne" xlink:to="lab_M318M60K350M_sfst_FinancingReceivableRecordedInvestmentPastDueOne"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FinancingReceivableRecordedInvestmentPastDueTwo" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_FinancingReceivableRecordedInvestmentPastDueTwo" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FinancingReceivableRecordedInvestmentPastDueTwo" xml:lang="en-US">Financing Receivable Recorded Investment Past Due Two</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FinancingReceivableRecordedInvestmentPastDueTwo" xml:lang="en-US">Greater than 90 days</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FinancingReceivableRecordedInvestmentPastDueTwo" xml:lang="en-US">Financing receivable recorded investment past due two.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_FinancingReceivableRecordedInvestmentPastDueTwo" xlink:to="lab_0J8HJH6K61II107LH824_sfst_FinancingReceivableRecordedInvestmentPastDueTwo"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableBeforeFeesGross" xlink:label="loc_K196K48I138K_us-gaap_LoansAndLeasesReceivableBeforeFeesGross" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableBeforeFeesGross" xml:lang="en-US">Loans and Leases Receivable before Fees, Gross</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableBeforeFeesGross" xml:lang="en-US">Outstanding consumer loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableBeforeFeesGross" xml:lang="en-US">Total commercial loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableBeforeFeesGross" xml:lang="en-US">Outstanding consumer loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableBeforeFeesGross" xml:lang="en-US">Total consumer loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LoansAndLeasesReceivableBeforeFeesGross" xlink:to="lab_M318M60K350M_us-gaap_LoansAndLeasesReceivableBeforeFeesGross"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xml:lang="en-US">Schedule Of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xml:lang="en-US">Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditRatingAMBestAxis" xlink:label="loc_K196K48I138K_us-gaap_CreditRatingAMBestAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CreditRatingAMBestAxis" xml:lang="en-US">Credit Rating, AM Best [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_CreditRatingAMBestAxis" xlink:to="lab_M318M60K350M_us-gaap_CreditRatingAMBestAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditRatingAMBestDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CreditRatingAMBestDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CreditRatingAMBestDomain" xml:lang="en-US">Credit Rating, AM Best [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_CreditRatingAMBestDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_CreditRatingAMBestDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PassMember" xlink:label="loc_K196K48I138K_us-gaap_PassMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PassMember" xml:lang="en-US">Pass [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_PassMember" xml:lang="en-US">Pass [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PassMember" xlink:to="lab_M318M60K350M_us-gaap_PassMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SpecialMentionMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_SpecialMentionMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SpecialMentionMember" xml:lang="en-US">Special Mention [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SpecialMentionMember" xml:lang="en-US">Special mention [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_SpecialMentionMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_SpecialMentionMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubstandardMember" xlink:label="loc_K196K48I138K_us-gaap_SubstandardMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_SubstandardMember" xml:lang="en-US">Substandard [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_SubstandardMember" xml:lang="en-US">Substandard [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_SubstandardMember" xlink:to="lab_M318M60K350M_us-gaap_SubstandardMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DoubtfulMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DoubtfulMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DoubtfulMember" xml:lang="en-US">Doubtful [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DoubtfulMember" xml:lang="en-US">Doubtful [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DoubtfulMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DoubtfulMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="loc_K196K48I138K_us-gaap_ProductOrServiceAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ProductOrServiceAxis" xml:lang="en-US">Products and Services [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ProductOrServiceAxis" xml:lang="en-US">Products and Services [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ProductOrServiceAxis" xlink:to="lab_M318M60K350M_us-gaap_ProductOrServiceAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ProductsAndServicesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ProductsAndServicesDomain" xml:lang="en-US">Products and Services [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ProductsAndServicesDomain" xml:lang="en-US">Products and Services [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ProductsAndServicesDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ProductsAndServicesDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentLineItems" xlink:label="loc_K196K48I138K_us-gaap_FinancingReceivableRecordedInvestmentLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestmentLineItems" xml:lang="en-US">Financing Receivable, Recorded Investment [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestmentLineItems" xml:lang="en-US">Financing Receivable, Recorded Investment [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FinancingReceivableRecordedInvestmentLineItems" xlink:to="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestmentLineItems"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_OutstandingLoansByRiskCategoryAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_OutstandingLoansByRiskCategoryAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OutstandingLoansByRiskCategoryAbstract" xml:lang="en-US">Outstanding Loans By Risk Category [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OutstandingLoansByRiskCategoryAbstract" xml:lang="en-US">Outstanding commercial and consumer loans by risk category</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_OutstandingLoansByRiskCategoryAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_OutstandingLoansByRiskCategoryAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateMember" xlink:label="loc_K196K48I138K_us-gaap_RealEstateMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_RealEstateMember" xml:lang="en-US">Real Estate [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_RealEstateMember" xml:lang="en-US">Real estate [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_RealEstateMember" xlink:to="lab_M318M60K350M_us-gaap_RealEstateMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InternalCreditAssessmentAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InternalCreditAssessmentAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InternalCreditAssessmentAxis" xml:lang="en-US">Internal Credit Assessment [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InternalCreditAssessmentAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InternalCreditAssessmentAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InternalCreditAssessmentDomain" xlink:label="loc_K196K48I138K_us-gaap_InternalCreditAssessmentDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_InternalCreditAssessmentDomain" xml:lang="en-US">Internal Credit Assessment [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_InternalCreditAssessmentDomain" xlink:to="lab_M318M60K350M_us-gaap_InternalCreditAssessmentDomain"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_LossMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_LossMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LossMember" xml:lang="en-US">Loss [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LossMember" xml:lang="en-US">Loss [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LossMember" xml:lang="en-US">Loss category defined by banking regulatory agencies.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_LossMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_LossMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" xlink:label="loc_K196K48I138K_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" xml:lang="en-US">Financing Receivable, Recorded Investment, Past Due [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" xml:lang="en-US">Financing Receivable, Recorded Investment, Past Due [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" xlink:to="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SummeryOfNonperformingAssetsAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_SummeryOfNonperformingAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SummeryOfNonperformingAssetsAbstract" xml:lang="en-US">Summery Of Nonperforming Assets [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SummeryOfNonperformingAssetsAbstract" xml:lang="en-US">Summary of nonperforming assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_SummeryOfNonperformingAssetsAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_SummeryOfNonperformingAssetsAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NonaccruingTroubledDebtRestructurings" xlink:label="loc_K196K48I138K_sfst_NonaccruingTroubledDebtRestructurings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_NonaccruingTroubledDebtRestructurings" xml:lang="en-US">Nonaccruing Troubled Debt Restructurings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_NonaccruingTroubledDebtRestructurings" xml:lang="en-US">Nonaccruing troubled debt restructurings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_NonaccruingTroubledDebtRestructurings" xml:lang="en-US">Nonaccruing troubled debt restructurings.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_NonaccruingTroubledDebtRestructurings" xlink:to="lab_M318M60K350M_sfst_NonaccruingTroubledDebtRestructurings"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NonaccrualLoansIncludingNonaccruingTroubledDebtRestructurings" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_NonaccrualLoansIncludingNonaccruingTroubledDebtRestructurings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonaccrualLoansIncludingNonaccruingTroubledDebtRestructurings" xml:lang="en-US">Nonaccrual Loans Including Nonaccruing Troubled Debt Restructurings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonaccrualLoansIncludingNonaccruingTroubledDebtRestructurings" xml:lang="en-US">Total nonaccrual loans, including nonaccruing TDRs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonaccrualLoansIncludingNonaccruingTroubledDebtRestructurings" xml:lang="en-US">Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_NonaccrualLoansIncludingNonaccruingTroubledDebtRestructurings" xlink:to="lab_0J8HJH6K61II107LH824_sfst_NonaccrualLoansIncludingNonaccruingTroubledDebtRestructurings"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherRealEstate" xlink:label="loc_K196K48I138K_us-gaap_OtherRealEstate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_OtherRealEstate" xml:lang="en-US">Other Real Estate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherRealEstate" xml:lang="en-US">Other real estate owned</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherRealEstate" xml:lang="en-US">Balance, beginning of year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherRealEstate" xml:lang="en-US">Balance, end of year</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_OtherRealEstate" xlink:to="lab_M318M60K350M_us-gaap_OtherRealEstate"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NonaccrualLoansAndOtherRealEstate" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_NonaccrualLoansAndOtherRealEstate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonaccrualLoansAndOtherRealEstate" xml:lang="en-US">Nonaccrual Loans and Other Real Estate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonaccrualLoansAndOtherRealEstate" xml:lang="en-US">Total nonperforming assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonaccrualLoansAndOtherRealEstate" xml:lang="en-US">Nonaccrual Loans and Other Real Estate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonaccrualLoansAndOtherRealEstate" xml:lang="en-US">Total nonperforming assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonaccrualLoansAndOtherRealEstate" xml:lang="en-US">Total nonperforming assets consist of nonaccrual loans and other Real Estate.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_NonaccrualLoansAndOtherRealEstate" xlink:to="lab_0J8HJH6K61II107LH824_sfst_NonaccrualLoansAndOtherRealEstate"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NonperformingAssetsInRelativePercentageAbstract" xlink:label="loc_K196K48I138K_sfst_NonperformingAssetsInRelativePercentageAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_NonperformingAssetsInRelativePercentageAbstract" xml:lang="en-US">Nonperforming Assets In Relative Percentage [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_NonperformingAssetsInRelativePercentageAbstract" xml:lang="en-US">Nonperforming assets as a percentage of:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_NonperformingAssetsInRelativePercentageAbstract" xml:lang="en-US">Nonperforming assets in relative percentage.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_NonperformingAssetsInRelativePercentageAbstract" xlink:to="lab_M318M60K350M_sfst_NonperformingAssetsInRelativePercentageAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NonperformingAssetsAsPercentageOfAssets" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_NonperformingAssetsAsPercentageOfAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonperformingAssetsAsPercentageOfAssets" xml:lang="en-US">Nonperforming Assets As Percentage Of Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonperformingAssetsAsPercentageOfAssets" xml:lang="en-US">Total assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NonperformingAssetsAsPercentageOfAssets" xml:lang="en-US">Nonperforming assets as a percentage of Assets.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_NonperformingAssetsAsPercentageOfAssets" xlink:to="lab_0J8HJH6K61II107LH824_sfst_NonperformingAssetsAsPercentageOfAssets"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NonperformingAssetsAsPercentageOfGrossLoans" xlink:label="loc_K196K48I138K_sfst_NonperformingAssetsAsPercentageOfGrossLoans" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_NonperformingAssetsAsPercentageOfGrossLoans" xml:lang="en-US">Nonperforming Assets As Percentage Of Gross Loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_NonperformingAssetsAsPercentageOfGrossLoans" xml:lang="en-US">Gross loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_NonperformingAssetsAsPercentageOfGrossLoans" xml:lang="en-US">Nonperforming assets as a percentage of Gross loans.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_NonperformingAssetsAsPercentageOfGrossLoans" xlink:to="lab_M318M60K350M_sfst_NonperformingAssetsAsPercentageOfGrossLoans"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_LoansOverNinetyDaysPastDue" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_LoansOverNinetyDaysPastDue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LoansOverNinetyDaysPastDue" xml:lang="en-US">Loans Over Ninety Days Past Due</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LoansOverNinetyDaysPastDue" xml:lang="en-US">Total loans over 90 days past due</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LoansOverNinetyDaysPastDue" xml:lang="en-US">Loans over ninety days past due.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_LoansOverNinetyDaysPastDue" xlink:to="lab_0J8HJH6K61II107LH824_sfst_LoansOverNinetyDaysPastDue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing" xlink:label="loc_K196K48I138K_us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing" xml:lang="en-US">Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing" xml:lang="en-US">Loans over 90 days past due and still accruing</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing" xlink:to="lab_M318M60K350M_us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_AccruingTroubledDebtRestructurings" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_AccruingTroubledDebtRestructurings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AccruingTroubledDebtRestructurings" xml:lang="en-US">Accruing Troubled Debt Restructurings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AccruingTroubledDebtRestructurings" xml:lang="en-US">Accruing TDRs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AccruingTroubledDebtRestructurings" xml:lang="en-US">Accruing troubled debt restructurings.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_AccruingTroubledDebtRestructurings" xlink:to="lab_0J8HJH6K61II107LH824_sfst_AccruingTroubledDebtRestructurings"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfImpairedFinancingReceivableTable" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfImpairedFinancingReceivableTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfImpairedFinancingReceivableTable" xml:lang="en-US">Schedule Of Impaired Financing Receivable [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfImpairedFinancingReceivableTable" xml:lang="en-US">Schedule of Impaired Financing Receivable [Table]</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableImpairedLineItems" xml:lang="en-US">Financing Receivable, Impaired [Line Items]</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SummaryOfKeyInformationForImpairedLoansAbstract" xlink:label="loc_K196K48I138K_sfst_SummaryOfKeyInformationForImpairedLoansAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_SummaryOfKeyInformationForImpairedLoansAbstract" xml:lang="en-US">Summary Of Key Information For Impaired Loans [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_SummaryOfKeyInformationForImpairedLoansAbstract" xml:lang="en-US">Summary of key information for impaired loans</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance" xml:lang="en-US">Impaired Financing Receivable, Unpaid Principal Balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance" xml:lang="en-US">Unpaid Principal Balance</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairedFinancingReceivableRecordedInvestment" xlink:label="loc_K196K48I138K_us-gaap_ImpairedFinancingReceivableRecordedInvestment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivableRecordedInvestment" xml:lang="en-US">Impaired Financing Receivable, Recorded Investment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivableRecordedInvestment" xml:lang="en-US">Impaired loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ImpairedFinancingReceivableRecordedInvestment" xlink:to="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivableRecordedInvestment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment" xml:lang="en-US">Impaired Financing Receivable, With Related Allowance, Recorded Investment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment" xml:lang="en-US">Impaired loans with related allowance for loan losses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairedFinancingReceivableRelatedAllowance" xlink:label="loc_K196K48I138K_us-gaap_ImpairedFinancingReceivableRelatedAllowance" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivableRelatedAllowance" xml:lang="en-US">Impaired Financing Receivable, Related Allowance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivableRelatedAllowance" xml:lang="en-US">Related allowance for loan losses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ImpairedFinancingReceivableRelatedAllowance" xlink:to="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivableRelatedAllowance"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairedFinancingReceivableAverageRecordedInvestmentAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ImpairedFinancingReceivableAverageRecordedInvestmentAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ImpairedFinancingReceivableAverageRecordedInvestmentAbstract" xml:lang="en-US">Impaired Financing Receivable, Average Recorded Investment [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ImpairedFinancingReceivableAverageRecordedInvestmentAbstract" xml:lang="en-US">Average recorded investment and interest income recognized on impaired loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ImpairedFinancingReceivableAverageRecordedInvestmentAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ImpairedFinancingReceivableAverageRecordedInvestmentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment" xlink:label="loc_K196K48I138K_us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment" xml:lang="en-US">Impaired Financing Receivable, Average Recorded Investment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment" xml:lang="en-US">Average recorded investment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment" xlink:to="lab_M318M60K350M_us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod" xml:lang="en-US">Impaired Financing Receivable, Interest Income, Accrual Method</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod" xml:lang="en-US">Recognized interest income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xml:lang="en-US">Schedule Of Financing Receivable, Allowance For Credit Losses [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xml:lang="en-US">Schedule of Financing Receivable, Allowance for Credit Losses [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_UnallocatedMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_UnallocatedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_UnallocatedMember" xml:lang="en-US">Unallocated [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_UnallocatedMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_UnallocatedMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xlink:label="loc_K196K48I138K_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xml:lang="en-US">Financing Receivable, Allowance For Credit Losses [Roll Forward]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xml:lang="en-US">Summary of activity related to our allowance for loan losses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xlink:to="lab_M318M60K350M_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLosses" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableAllowanceForCreditLosses" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLosses" xml:lang="en-US">Financing Receivable, Allowance For Credit Losses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLosses" xml:lang="en-US">Allowance for loan losses, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLosses" xml:lang="en-US">Allowance for loan losses, beginning balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLosses" xml:lang="en-US">Allowance for loan losses, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLosses" xml:lang="en-US">Balance, beginning of period</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLosses" xml:lang="en-US">Balance, end of period</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableAllowanceForCreditLosses" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLosses"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs" xlink:label="loc_K196K48I138K_us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs" xml:lang="en-US">Allowance For Loan and Lease Losses, Write-Offs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs" xml:lang="en-US">Loan charge-offs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs" xml:lang="en-US">Total loan charge-offs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_M318M60K350M_us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs" xml:lang="en-US">Loan charge-offs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs" xlink:to="lab_M318M60K350M_us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ValuationAllowancesAndReservesRecoveries" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ValuationAllowancesAndReservesRecoveries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ValuationAllowancesAndReservesRecoveries" xml:lang="en-US">Valuation Allowances and Reserves, Recoveries</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ValuationAllowancesAndReservesRecoveries" xml:lang="en-US">Loan recoveries</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ValuationAllowancesAndReservesRecoveries" xml:lang="en-US">Loan recoveries</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ValuationAllowancesAndReservesRecoveries" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ValuationAllowancesAndReservesRecoveries"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_AllowanceForLoanAndLeaseLossesWriteOffsNetOfRecoveries" xlink:label="loc_K196K48I138K_sfst_AllowanceForLoanAndLeaseLossesWriteOffsNetOfRecoveries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_AllowanceForLoanAndLeaseLossesWriteOffsNetOfRecoveries" xml:lang="en-US">Allowance For Loan and Lease Losses Write Offs Net Of Recoveries</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_AllowanceForLoanAndLeaseLossesWriteOffsNetOfRecoveries" xml:lang="en-US">Net loan charge-offs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_AllowanceForLoanAndLeaseLossesWriteOffsNetOfRecoveries" xml:lang="en-US">Allowance for loan and lease losses write offs net of recoveries.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_AllowanceForLoanAndLeaseLossesWriteOffsNetOfRecoveries" xlink:to="lab_M318M60K350M_sfst_AllowanceForLoanAndLeaseLossesWriteOffsNetOfRecoveries"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommercialPortfolioSegmentMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CommercialPortfolioSegmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CommercialPortfolioSegmentMember" xml:lang="en-US">Commercial Portfolio Segment [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CommercialPortfolioSegmentMember" xml:lang="en-US">Commercial [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_CommercialPortfolioSegmentMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_CommercialPortfolioSegmentMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsumerPortfolioSegmentMember" xlink:label="loc_K196K48I138K_us-gaap_ConsumerPortfolioSegmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ConsumerPortfolioSegmentMember" xml:lang="en-US">Consumer Portfolio Segment [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ConsumerPortfolioSegmentMember" xml:lang="en-US">Consumer [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ConsumerPortfolioSegmentMember" xlink:to="lab_M318M60K350M_us-gaap_ConsumerPortfolioSegmentMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnallocatedFinancingReceivablesMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_UnallocatedFinancingReceivablesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_UnallocatedFinancingReceivablesMember" xml:lang="en-US">Unallocated Financing Receivables [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_UnallocatedFinancingReceivablesMember" xml:lang="en-US">Unallocated [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_UnallocatedFinancingReceivablesMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_UnallocatedFinancingReceivablesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract" xlink:label="loc_K196K48I138K_us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract" xml:lang="en-US">Financing Receivable, Allowance For Credit Loss, Additional Information [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract" xml:lang="en-US">Allowance for loan losses and recorded investment in loans by impairment methodology</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract" xlink:to="lab_M318M60K350M_us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xml:lang="en-US">Financing Receivable, Allowance For Credit Losses, Individually Evaluated For Impairment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xml:lang="en-US">Allowance for loan losses, Individually evaluated</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment" xlink:label="loc_K196K48I138K_us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment" xml:lang="en-US">Financing Receivable, Individually Evaluated For Impairment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment" xml:lang="en-US">Recorded investment in loans, Individually evaluated</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment" xlink:to="lab_M318M60K350M_us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" xml:lang="en-US">Financing Receivable, Allowance For Credit Losses, Collectively Evaluated For Impairment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" xml:lang="en-US">Allowance for loan losses, Collectively evaluated</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment" xlink:label="loc_K196K48I138K_us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment" xml:lang="en-US">Financing Receivable, Collectively Evaluated For Impairment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment" xml:lang="en-US">Recorded investment in loans, Collectively evaluated</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment" xlink:to="lab_M318M60K350M_us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_LoanAndAllowanceForLoanLossesTextualAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_LoanAndAllowanceForLoanLossesTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LoanAndAllowanceForLoanLossesTextualAbstract" xml:lang="en-US">Loan and Allowance For Loan Losses Textual [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LoanAndAllowanceForLoanLossesTextualAbstract" xml:lang="en-US">Loans and Allowance for Loan Losses (Textual)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_LoanAndAllowanceForLoanLossesTextualAbstract" xml:lang="en-US">Loan and allowance for loan losses textual.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_LoanAndAllowanceForLoanLossesTextualAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_LoanAndAllowanceForLoanLossesTextualAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_PartOfLoansOfThirtyDaysOrMorePastDueAsPercentageOfAggregateLoanPortfolio" xlink:label="loc_K196K48I138K_sfst_PartOfLoansOfThirtyDaysOrMorePastDueAsPercentageOfAggregateLoanPortfolio" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_PartOfLoansOfThirtyDaysOrMorePastDueAsPercentageOfAggregateLoanPortfolio" xml:lang="en-US">Part Of Loans Of Thirty Days Or More Past Due As Percentage Of Aggregate Loan Portfolio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_PartOfLoansOfThirtyDaysOrMorePastDueAsPercentageOfAggregateLoanPortfolio" xml:lang="en-US">Part of loans of 30 days or more past due as a percentage of total loan portfolio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_PartOfLoansOfThirtyDaysOrMorePastDueAsPercentageOfAggregateLoanPortfolio" xml:lang="en-US">Part of loans of thirty days or more past due as a percentage of aggregate loan portfolio.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_PartOfLoansOfThirtyDaysOrMorePastDueAsPercentageOfAggregateLoanPortfolio" xlink:to="lab_M318M60K350M_sfst_PartOfLoansOfThirtyDaysOrMorePastDueAsPercentageOfAggregateLoanPortfolio"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ConsumerLoansPercentageOfAggregateRealEstateLoan" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_ConsumerLoansPercentageOfAggregateRealEstateLoan" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ConsumerLoansPercentageOfAggregateRealEstateLoan" xml:lang="en-US">Consumer Loans Percentage Of Aggregate Real Estate Loan</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ConsumerLoansPercentageOfAggregateRealEstateLoan" xml:lang="en-US">Consumer loans percentage of total real estate loan</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ConsumerLoansPercentageOfAggregateRealEstateLoan" xml:lang="en-US">Consumer loans percentage of aggregate real estate loan.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_ConsumerLoansPercentageOfAggregateRealEstateLoan" xlink:to="lab_0J8HJH6K61II107LH824_sfst_ConsumerLoansPercentageOfAggregateRealEstateLoan"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_MortgageLoanPledgedAsCollateralForAdvancesFromFhlb" xlink:label="loc_K196K48I138K_sfst_MortgageLoanPledgedAsCollateralForAdvancesFromFhlb" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_MortgageLoanPledgedAsCollateralForAdvancesFromFhlb" xml:lang="en-US">Mortgage Loan Pledged As Collateral For Advances From Fhlb</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_MortgageLoanPledgedAsCollateralForAdvancesFromFhlb" xml:lang="en-US">Mortgage loan pledged as collateral for advances from FHLB</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_MortgageLoanPledgedAsCollateralForAdvancesFromFhlb" xml:lang="en-US">Mortgage loan pledged as collateral for advances from FHLB.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_M318M60K350M_sfst_MortgageLoanPledgedAsCollateralForAdvancesFromFhlb" xml:lang="en-US">FHLB advances are secured mortgage loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_MortgageLoanPledgedAsCollateralForAdvancesFromFhlb" xlink:to="lab_M318M60K350M_sfst_MortgageLoanPledgedAsCollateralForAdvancesFromFhlb"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ForegoneInterestIncomeOnNonAccrualLoans" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_ForegoneInterestIncomeOnNonAccrualLoans" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ForegoneInterestIncomeOnNonAccrualLoans" xml:lang="en-US">Foregone Interest Income On Non Accrual Loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ForegoneInterestIncomeOnNonAccrualLoans" xml:lang="en-US">Foregone interest income on non accrual loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ForegoneInterestIncomeOnNonAccrualLoans" xml:lang="en-US">Foregone interest income on non accrual loans .</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_ForegoneInterestIncomeOnNonAccrualLoans" xlink:to="lab_0J8HJH6K61II107LH824_sfst_ForegoneInterestIncomeOnNonAccrualLoans"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DescriptionLoanExceedSupervisionLoanToValueLimits" xlink:label="loc_K196K48I138K_sfst_DescriptionLoanExceedSupervisionLoanToValueLimits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_DescriptionLoanExceedSupervisionLoanToValueLimits" xml:lang="en-US">Description Loan Exceed Supervision Loan To Value Limits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_DescriptionLoanExceedSupervisionLoanToValueLimits" xml:lang="en-US">Loans which exceed supervision loan to value limits, description</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_DescriptionLoanExceedSupervisionLoanToValueLimits" xml:lang="en-US">Description Loan exceed supervision loan to value limits.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_DescriptionLoanExceedSupervisionLoanToValueLimits" xlink:to="lab_M318M60K350M_sfst_DescriptionLoanExceedSupervisionLoanToValueLimits"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DescriptionOfLoansWithLoanToValueRatio" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_DescriptionOfLoansWithLoanToValueRatio" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DescriptionOfLoansWithLoanToValueRatio" xml:lang="en-US">Description Of Loans With Loan To Value Ratio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DescriptionOfLoansWithLoanToValueRatio" xml:lang="en-US">Loan with loan to value ratio of greater than 100%, description</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DescriptionOfLoansWithLoanToValueRatio" xml:lang="en-US">Description of loan to value ratio.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_DescriptionOfLoansWithLoanToValueRatio" xlink:to="lab_0J8HJH6K61II107LH824_sfst_DescriptionOfLoansWithLoanToValueRatio"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_CommercialLoansPercentageOfAggregateRealEstateLoan" xlink:label="loc_K196K48I138K_sfst_CommercialLoansPercentageOfAggregateRealEstateLoan" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_CommercialLoansPercentageOfAggregateRealEstateLoan" xml:lang="en-US">Commercial Loans Percentage Of Aggregate Real Estate Loan</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_CommercialLoansPercentageOfAggregateRealEstateLoan" xml:lang="en-US">Commercial loans percentage of total loan portfolio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_CommercialLoansPercentageOfAggregateRealEstateLoan" xml:lang="en-US">Commercial loans percentage of aggregate real estate loan.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_CommercialLoansPercentageOfAggregateRealEstateLoan" xlink:to="lab_M318M60K350M_sfst_CommercialLoansPercentageOfAggregateRealEstateLoan"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansAndLeasesReceivableDeferredIncome" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LoansAndLeasesReceivableDeferredIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansAndLeasesReceivableDeferredIncome" xml:lang="en-US">Loans and Leases Receivable, Deferred Income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansAndLeasesReceivableDeferredIncome" xml:lang="en-US">Net of deferred loan fees and costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LoansAndLeasesReceivableDeferredIncome" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LoansAndLeasesReceivableDeferredIncome"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xml:lang="en-US">Schedule Of Financing Receivable, Troubled Debt Restructurings [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xml:lang="en-US">Schedule of Financing Receivable, Troubled Debt Restructurings [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableModificationsLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableModificationsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableModificationsLineItems" xml:lang="en-US">Financing Receivable, Modifications [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableModificationsLineItems" xml:lang="en-US">Financing Receivable, Modifications [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableModificationsLineItems"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SummaryOfConcessionAtTimeOfModificationAndRecordedInvestmentAbstract" xlink:label="loc_K196K48I138K_sfst_SummaryOfConcessionAtTimeOfModificationAndRecordedInvestmentAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_SummaryOfConcessionAtTimeOfModificationAndRecordedInvestmentAbstract" xml:lang="en-US">Summary Of Concession At Time Of Modification and Recorded Investment [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_SummaryOfConcessionAtTimeOfModificationAndRecordedInvestmentAbstract" xml:lang="en-US">Summary of concession at the time of modification and the recorded investment in TDRs before and after their modification</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_SummaryOfConcessionAtTimeOfModificationAndRecordedInvestmentAbstract" xlink:to="lab_M318M60K350M_sfst_SummaryOfConcessionAtTimeOfModificationAndRecordedInvestmentAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_RenewalsDeemedConcession" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_RenewalsDeemedConcession" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_RenewalsDeemedConcession" xml:lang="en-US">Renewals Deemed Concession</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_RenewalsDeemedConcession" xml:lang="en-US">Renewals deemed a concession</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_RenewalsDeemedConcession" xml:lang="en-US">Renewals deemed concession.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_RenewalsDeemedConcession" xlink:to="lab_0J8HJH6K61II107LH824_sfst_RenewalsDeemedConcession"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ReducedOrDeferredPayments" xlink:label="loc_K196K48I138K_sfst_ReducedOrDeferredPayments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_ReducedOrDeferredPayments" xml:lang="en-US">Reduced Or Deferred Payments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_ReducedOrDeferredPayments" xml:lang="en-US">Reduced or deferred payments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_ReducedOrDeferredPayments" xml:lang="en-US">Reduced or deferred payments.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_ReducedOrDeferredPayments" xlink:to="lab_M318M60K350M_sfst_ReducedOrDeferredPayments"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ConvertedToInterestOnly" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_ConvertedToInterestOnly" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ConvertedToInterestOnly" xml:lang="en-US">Converted To Interest Only</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ConvertedToInterestOnly" xml:lang="en-US">Converted to interest only</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ConvertedToInterestOnly" xml:lang="en-US">Converted to interest only.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_ConvertedToInterestOnly" xlink:to="lab_0J8HJH6K61II107LH824_sfst_ConvertedToInterestOnly"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_MaturityDateExtensions" xlink:label="loc_K196K48I138K_sfst_MaturityDateExtensions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_MaturityDateExtensions" xml:lang="en-US">Maturity Date Extensions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_MaturityDateExtensions" xml:lang="en-US">Maturity date extensions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_MaturityDateExtensions" xml:lang="en-US">Maturity date extensions.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_MaturityDateExtensions" xlink:to="lab_M318M60K350M_sfst_MaturityDateExtensions"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableModificationsNumberOfContracts2" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableModificationsNumberOfContracts2" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableModificationsNumberOfContracts2" xml:lang="en-US">Financing Receivable, Modifications, Number of Contracts</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableModificationsNumberOfContracts2" xml:lang="en-US">Total number of loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableModificationsNumberOfContracts2" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableModificationsNumberOfContracts2"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2" xlink:label="loc_K196K48I138K_us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2" xml:lang="en-US">Financing Receivable, Modifications, Pre-Modification Recorded Investment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2" xml:lang="en-US">Pre-modification outstanding recorded investment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2" xlink:to="lab_M318M60K350M_us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" xml:lang="en-US">Financing Receivable, Modifications, Post-Modification Recorded Investment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" xml:lang="en-US">Post-modification outstanding recorded investment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TroubledDebtRestructuringsTextualAbstract" xlink:label="loc_K196K48I138K_sfst_TroubledDebtRestructuringsTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_TroubledDebtRestructuringsTextualAbstract" xml:lang="en-US">Troubled Debt Restructurings (Textual) [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_TroubledDebtRestructuringsTextualAbstract" xml:lang="en-US">Troubled Debt Restructurings (Textual)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_TroubledDebtRestructuringsTextualAbstract" xml:lang="en-US">It covers narrative parts of troubled debt restructurings note.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_TroubledDebtRestructuringsTextualAbstract" xlink:to="lab_M318M60K350M_sfst_TroubledDebtRestructuringsTextualAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_AggregateNumberOfLoansClassifiedUnderTroubledDebtRestructurings" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_AggregateNumberOfLoansClassifiedUnderTroubledDebtRestructurings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AggregateNumberOfLoansClassifiedUnderTroubledDebtRestructurings" xml:lang="en-US">Aggregate Number Of Loans Classified Under Troubled Debt Restructurings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AggregateNumberOfLoansClassifiedUnderTroubledDebtRestructurings" xml:lang="en-US">Total number of loans classified under troubled debt restructurings (TDRs)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AggregateNumberOfLoansClassifiedUnderTroubledDebtRestructurings" xml:lang="en-US">Aggregate number of loans classified under troubled debt restructurings.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_AggregateNumberOfLoansClassifiedUnderTroubledDebtRestructurings" xlink:to="lab_0J8HJH6K61II107LH824_sfst_AggregateNumberOfLoansClassifiedUnderTroubledDebtRestructurings"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_AggregateSumOfLoansClassifiedAsTroubledDebtRestructurings" xlink:label="loc_K196K48I138K_sfst_AggregateSumOfLoansClassifiedAsTroubledDebtRestructurings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_AggregateSumOfLoansClassifiedAsTroubledDebtRestructurings" xml:lang="en-US">Aggregate Sum Of Loans Classified As Troubled Debt Restructurings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_AggregateSumOfLoansClassifiedAsTroubledDebtRestructurings" xml:lang="en-US">Total sum of loans classified as troubled debt restructurings (TDRs)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_AggregateSumOfLoansClassifiedAsTroubledDebtRestructurings" xml:lang="en-US">Aggregate sum of loans classified as troubled debt restructurings.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_AggregateSumOfLoansClassifiedAsTroubledDebtRestructurings" xlink:to="lab_M318M60K350M_sfst_AggregateSumOfLoansClassifiedAsTroubledDebtRestructurings"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_AggregateNumberOfLoansAddedUnderTroubledDebtRestructurings" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_AggregateNumberOfLoansAddedUnderTroubledDebtRestructurings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AggregateNumberOfLoansAddedUnderTroubledDebtRestructurings" xml:lang="en-US">Aggregate Number Of Loans Added Under Troubled Debt Restructurings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AggregateNumberOfLoansAddedUnderTroubledDebtRestructurings" xml:lang="en-US">Total number of loans added under troubled debt restructurings (TDRs)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AggregateNumberOfLoansAddedUnderTroubledDebtRestructurings" xml:lang="en-US">Aggregate number of loans added under troubled debt restructurings.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_AggregateNumberOfLoansAddedUnderTroubledDebtRestructurings" xlink:to="lab_0J8HJH6K61II107LH824_sfst_AggregateNumberOfLoansAddedUnderTroubledDebtRestructurings"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_AggregateSumOfLoansAddedAsTroubledDebtRestructurings" xlink:label="loc_K196K48I138K_sfst_AggregateSumOfLoansAddedAsTroubledDebtRestructurings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_AggregateSumOfLoansAddedAsTroubledDebtRestructurings" xml:lang="en-US">Aggregate Sum Of Loans Added As Troubled Debt Restructurings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_AggregateSumOfLoansAddedAsTroubledDebtRestructurings" xml:lang="en-US">Total sum of loans added as troubled debt restructurings (TDRs)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_AggregateSumOfLoansAddedAsTroubledDebtRestructurings" xml:lang="en-US">Aggregate sum of loans added as troubled debt restructurings.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_AggregateSumOfLoansAddedAsTroubledDebtRestructurings" xlink:to="lab_M318M60K350M_sfst_AggregateSumOfLoansAddedAsTroubledDebtRestructurings"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_AggregateNumberOfLoansRemovedUnderTroubledDebtRestructurings" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_AggregateNumberOfLoansRemovedUnderTroubledDebtRestructurings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AggregateNumberOfLoansRemovedUnderTroubledDebtRestructurings" xml:lang="en-US">Aggregate Number Of Loans Removed Under Troubled Debt Restructurings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AggregateNumberOfLoansRemovedUnderTroubledDebtRestructurings" xml:lang="en-US">Total number of loans removed under TDR</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AggregateNumberOfLoansRemovedUnderTroubledDebtRestructurings" xml:lang="en-US">Aggregate number of loans removed under troubled debt restructurings.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_AggregateNumberOfLoansRemovedUnderTroubledDebtRestructurings" xlink:to="lab_0J8HJH6K61II107LH824_sfst_AggregateNumberOfLoansRemovedUnderTroubledDebtRestructurings"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_RestoredNonaccrualLoans" xlink:label="loc_K196K48I138K_sfst_RestoredNonaccrualLoans" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_RestoredNonaccrualLoans" xml:lang="en-US">Restored Nonaccrual Loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_sfst_RestoredNonaccrualLoans" xml:lang="en-US">Total number of nonaccrual loans restored</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_RestoredNonaccrualLoans" xml:lang="en-US">Restored nonaccrual loans.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_RestoredNonaccrualLoans" xlink:to="lab_M318M60K350M_sfst_RestoredNonaccrualLoans"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NumberOfMonthPaymentDefaulted" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_NumberOfMonthPaymentDefaulted" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfMonthPaymentDefaulted" xml:lang="en-US">Number Of Month Payment Defaulted</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfMonthPaymentDefaulted" xml:lang="en-US">Number of months previous loan payment defaulted</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfMonthPaymentDefaulted" xml:lang="en-US">Number of month payment defaulted.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_NumberOfMonthPaymentDefaulted" xlink:to="lab_0J8HJH6K61II107LH824_sfst_NumberOfMonthPaymentDefaulted"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xml:lang="en-US">Schedule Of Property, Plant and Equipment [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xml:lang="en-US">Schedule of Property, Plant and Equipment [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xml:lang="en-US">Property, Plant and Equipment, Type [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xml:lang="en-US">Property, Plant and Equipment, Type [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_K196K48I138K_us-gaap_PropertyPlantAndEquipmentTypeDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentTypeDomain" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentTypeDomain" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LandMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LandMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LandMember" xml:lang="en-US">Land [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LandMember" xml:lang="en-US">Land [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LandMember" xml:lang="en-US">Land [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LandMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LandMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BuildingMember" xlink:label="loc_K196K48I138K_us-gaap_BuildingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_BuildingMember" xml:lang="en-US">Building [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_BuildingMember" xml:lang="en-US">Building [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_BuildingMember" xml:lang="en-US">Buildings [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_BuildingMember" xlink:to="lab_M318M60K350M_us-gaap_BuildingMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LeaseholdImprovementsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LeaseholdImprovementsMember" xml:lang="en-US">Leasehold Improvements [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LeaseholdImprovementsMember" xml:lang="en-US">Leasehold Improvements [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LeaseholdImprovementsMember" xml:lang="en-US">Leasehold improvements [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LeaseholdImprovementsMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LeaseholdImprovementsMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="loc_K196K48I138K_us-gaap_FurnitureAndFixturesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FurnitureAndFixturesMember" xml:lang="en-US">Furniture and Fixtures [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_FurnitureAndFixturesMember" xml:lang="en-US">Furniture and Fixtures [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FurnitureAndFixturesMember" xml:lang="en-US">Furniture and equipment [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FurnitureAndFixturesMember" xlink:to="lab_M318M60K350M_us-gaap_FurnitureAndFixturesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ComputerSoftwareIntangibleAssetMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ComputerSoftwareIntangibleAssetMember" xml:lang="en-US">Computer Software, Intangible Asset [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ComputerSoftwareIntangibleAssetMember" xml:lang="en-US">Software [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ComputerSoftwareIntangibleAssetMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="loc_K196K48I138K_us-gaap_ConstructionInProgressMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ConstructionInProgressMember" xml:lang="en-US">Construction In Progress [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ConstructionInProgressMember" xml:lang="en-US">Construction in process [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ConstructionInProgressMember" xlink:to="lab_M318M60K350M_us-gaap_ConstructionInProgressMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PropertyPlantAndEquipmentLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentLineItems" xml:lang="en-US">Property, Plant and Equipment [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentLineItems" xml:lang="en-US">Property, Plant and Equipment [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" xlink:label="loc_K196K48I138K_us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" xml:lang="en-US">Property, Plant and Equipment, Net, By Type [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" xml:lang="en-US">Components of property and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" xlink:to="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PropertyPlantAndEquipmentGross" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property, Plant and Equipment, Gross</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentGross" xml:lang="en-US">Property and equipment, Gross</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PropertyPlantAndEquipmentGross" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PropertyPlantAndEquipmentGross"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_K196K48I138K_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US">Accumulated depreciation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="lab_M318M60K350M_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_RangeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RangeAxis" xml:lang="en-US">Range [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_RangeAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_RangeAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_K196K48I138K_us-gaap_RangeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_RangeMember" xml:lang="en-US">Range [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_RangeMember" xlink:to="lab_M318M60K350M_us-gaap_RangeMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_MinimumMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MinimumMember" xml:lang="en-US">Minimum [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MinimumMember" xml:lang="en-US">Minimum [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_MinimumMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_MinimumMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_K196K48I138K_us-gaap_MaximumMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_MaximumMember" xml:lang="en-US">Maximum [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_MaximumMember" xml:lang="en-US">Maximum [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_MaximumMember" xlink:to="lab_M318M60K350M_us-gaap_MaximumMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentAbstract" xml:lang="en-US">Schedule Of Estimated Useful Lives Of Property Plant and Equipment [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentAbstract" xml:lang="en-US">Schedule of estimated useful lives of property plant and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_ScheduleOfEstimatedUsefulLivesOfPropertyPlantAndEquipmentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_K196K48I138K_us-gaap_PropertyPlantAndEquipmentUsefulLife" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentUsefulLife" xml:lang="en-US">Property, Plant and Equipment, Useful Life</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentUsefulLife" xml:lang="en-US">Property and equipment, estimated useful life (in years)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:to="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_PropertyPlantAndEquipmentTextualAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_PropertyPlantAndEquipmentTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_PropertyPlantAndEquipmentTextualAbstract" xml:lang="en-US">Property Plant and Equipment (Textual) [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_PropertyPlantAndEquipmentTextualAbstract" xml:lang="en-US">Property and Equipment (Textual)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_PropertyPlantAndEquipmentTextualAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_PropertyPlantAndEquipmentTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_K196K48I138K_us-gaap_DepreciationDepletionAndAmortization" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DepreciationDepletionAndAmortization" xml:lang="en-US">Depreciation, Depletion and Amortization</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DepreciationDepletionAndAmortization" xml:lang="en-US">Depreciation and amortization expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DepreciationDepletionAndAmortization" xlink:to="lab_M318M60K350M_us-gaap_DepreciationDepletionAndAmortization"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherRealEstateRollForward" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OtherRealEstateRollForward" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherRealEstateRollForward" xml:lang="en-US">Other Real Estate [Roll Forward]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherRealEstateRollForward" xml:lang="en-US">Summary of activity of real estate acquired in settlement of loans portion of other real estate owned</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_OtherRealEstateRollForward" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OtherRealEstateRollForward"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherRealEstateAdditions" xlink:label="loc_K196K48I138K_us-gaap_OtherRealEstateAdditions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_OtherRealEstateAdditions" xml:lang="en-US">Other Real Estate, Additions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherRealEstateAdditions" xml:lang="en-US">Additions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_OtherRealEstateAdditions" xlink:to="lab_M318M60K350M_us-gaap_OtherRealEstateAdditions"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherRealEstateDisposals" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OtherRealEstateDisposals" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherRealEstateDisposals" xml:lang="en-US">Other Real Estate, Disposals</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherRealEstateDisposals" xml:lang="en-US">Sales</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherRealEstateDisposals" xml:lang="en-US">Sales</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_OtherRealEstateDisposals" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OtherRealEstateDisposals"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_OtherRealEstateWriteDowns" xlink:label="loc_K196K48I138K_sfst_OtherRealEstateWriteDowns" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_OtherRealEstateWriteDowns" xml:lang="en-US">Other Real Estate Write Downs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_OtherRealEstateWriteDowns" xml:lang="en-US">Write-downs, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_OtherRealEstateWriteDowns" xml:lang="en-US">Other real estate write downs.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_OtherRealEstateWriteDowns" xlink:to="lab_M318M60K350M_sfst_OtherRealEstateWriteDowns"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_OtherRealEstateOwnedTextualAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_OtherRealEstateOwnedTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OtherRealEstateOwnedTextualAbstract" xml:lang="en-US">Other Real Estate Owned (Textual) [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OtherRealEstateOwnedTextualAbstract" xml:lang="en-US">Other Real Estate Owned (Textual)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_OtherRealEstateOwnedTextualAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_OtherRealEstateOwnedTextualAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NumberOfProperties" xlink:label="loc_K196K48I138K_sfst_NumberOfProperties" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_NumberOfProperties" xml:lang="en-US">Number Of Properties</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_NumberOfProperties" xml:lang="en-US">Number of properties</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_NumberOfProperties" xml:lang="en-US">Number of properties.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_NumberOfProperties" xlink:to="lab_M318M60K350M_sfst_NumberOfProperties"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RealEstateAcquiredThroughForeclosure" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_RealEstateAcquiredThroughForeclosure" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RealEstateAcquiredThroughForeclosure" xml:lang="en-US">Real Estate Acquired Through Foreclosure</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RealEstateAcquiredThroughForeclosure" xml:lang="en-US">Real estate acquired in settlement loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_RealEstateAcquiredThroughForeclosure" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_RealEstateAcquiredThroughForeclosure"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepositsAbstract" xlink:label="loc_K196K48I138K_us-gaap_DepositsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DepositsAbstract" xml:lang="en-US">Details of the deposit accounts [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DepositsAbstract" xml:lang="en-US">Details of the deposit accounts</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DepositsAbstract" xlink:to="lab_M318M60K350M_us-gaap_DepositsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoninterestBearingDepositLiabilities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NoninterestBearingDepositLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NoninterestBearingDepositLiabilities" xml:lang="en-US">Noninterest-Bearing Deposit Liabilities, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NoninterestBearingDepositLiabilities" xml:lang="en-US">Noninterest bearing</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_NoninterestBearingDepositLiabilities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_NoninterestBearingDepositLiabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestBearingDepositLiabilitiesByComponentAbstract" xlink:label="loc_K196K48I138K_us-gaap_InterestBearingDepositLiabilitiesByComponentAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_InterestBearingDepositLiabilitiesByComponentAbstract" xml:lang="en-US">Interest-Bearing Deposit Liabilities, By Component [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_InterestBearingDepositLiabilitiesByComponentAbstract" xml:lang="en-US">Interest bearing:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_InterestBearingDepositLiabilitiesByComponentAbstract" xlink:to="lab_M318M60K350M_us-gaap_InterestBearingDepositLiabilitiesByComponentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestBearingDomesticDepositNegotiableOrderOfWithdrawalNOW" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InterestBearingDomesticDepositNegotiableOrderOfWithdrawalNOW" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestBearingDomesticDepositNegotiableOrderOfWithdrawalNOW" xml:lang="en-US">Interest-Bearing Domestic Deposit, Negotiable Order Of Withdrawal (Now)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestBearingDomesticDepositNegotiableOrderOfWithdrawalNOW" xml:lang="en-US">NOW accounts</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InterestBearingDomesticDepositNegotiableOrderOfWithdrawalNOW" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InterestBearingDomesticDepositNegotiableOrderOfWithdrawalNOW"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestBearingDomesticDepositMoneyMarket" xlink:label="loc_K196K48I138K_us-gaap_InterestBearingDomesticDepositMoneyMarket" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_InterestBearingDomesticDepositMoneyMarket" xml:lang="en-US">Interest-Bearing Domestic Deposit, Money Market</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_InterestBearingDomesticDepositMoneyMarket" xml:lang="en-US">Money market accounts</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_InterestBearingDomesticDepositMoneyMarket" xlink:to="lab_M318M60K350M_us-gaap_InterestBearingDomesticDepositMoneyMarket"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestBearingDomesticDepositSavings" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InterestBearingDomesticDepositSavings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestBearingDomesticDepositSavings" xml:lang="en-US">Interest-Bearing Domestic Deposit, Savings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestBearingDomesticDepositSavings" xml:lang="en-US">Savings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InterestBearingDomesticDepositSavings" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InterestBearingDomesticDepositSavings"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDepositsLessThan100000" xlink:label="loc_K196K48I138K_us-gaap_TimeDepositsLessThan100000" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_TimeDepositsLessThan100000" xml:lang="en-US">Time Deposits, Less Than 100,000</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_TimeDepositsLessThan100000" xml:lang="en-US">Time, less than $100,000</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TimeDepositsLessThan100000" xlink:to="lab_M318M60K350M_us-gaap_TimeDepositsLessThan100000"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TimeDeposit100000OrMoreDomestic" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_TimeDeposit100000OrMoreDomestic" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TimeDeposit100000OrMoreDomestic" xml:lang="en-US">Time Deposit 100000 Or More Domestic</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TimeDeposit100000OrMoreDomestic" xml:lang="en-US">Time, $100,000 and over</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TimeDeposit100000OrMoreDomestic" xml:lang="en-US">The aggregate amount of domestic time deposits (including certificates of deposits, individual retirement accounts and open accounts) in denominations of $100,000 or more.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_TimeDeposit100000OrMoreDomestic" xlink:to="lab_0J8HJH6K61II107LH824_sfst_TimeDeposit100000OrMoreDomestic"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DepositTable" xlink:label="loc_K196K48I138K_sfst_DepositTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_DepositTable" xml:lang="en-US">Deposit [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_DepositTable" xml:lang="en-US">Deposit [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_DepositTable" xml:lang="en-US">Deposit.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_DepositTable" xlink:to="lab_M318M60K350M_sfst_DepositTable"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DepositAxis" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_DepositAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DepositAxis" xml:lang="en-US">Deposit [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DepositAxis" xml:lang="en-US">Deposit [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DepositAxis" xml:lang="en-US">Deposit.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_DepositAxis" xlink:to="lab_0J8HJH6K61II107LH824_sfst_DepositAxis"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DepositDomain" xlink:label="loc_K196K48I138K_sfst_DepositDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_DepositDomain" xml:lang="en-US">Deposit [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_DepositDomain" xml:lang="en-US">Deposit [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_DepositDomain" xml:lang="en-US">Deposit.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_DepositDomain" xlink:to="lab_M318M60K350M_sfst_DepositDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CertificatesOfDepositMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CertificatesOfDepositMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CertificatesOfDepositMember" xml:lang="en-US">Certificates Of Deposit [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CertificatesOfDepositMember" xml:lang="en-US">Certificates of Deposit [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_CertificatesOfDepositMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_CertificatesOfDepositMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DepositLineItems" xlink:label="loc_K196K48I138K_sfst_DepositLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_DepositLineItems" xml:lang="en-US">Deposit [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_DepositLineItems" xml:lang="en-US">Deposit [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_DepositLineItems" xml:lang="en-US">Deposits.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_DepositLineItems" xlink:to="lab_M318M60K350M_sfst_DepositLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDepositsByMaturityAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TimeDepositsByMaturityAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TimeDepositsByMaturityAbstract" xml:lang="en-US">Time Deposits, Fiscal Year Maturity [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TimeDepositsByMaturityAbstract" xml:lang="en-US">Scheduled maturities of certificates of deposit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_TimeDepositsByMaturityAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TimeDepositsByMaturityAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDepositMaturitiesYearOne" xlink:label="loc_K196K48I138K_us-gaap_TimeDepositMaturitiesYearOne" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_TimeDepositMaturitiesYearOne" xml:lang="en-US">Time Deposit Maturities, Next Twelve Months</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_TimeDepositMaturitiesYearOne" xml:lang="en-US">2018</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TimeDepositMaturitiesYearOne" xlink:to="lab_M318M60K350M_us-gaap_TimeDepositMaturitiesYearOne"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDepositMaturitiesYearTwo" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TimeDepositMaturitiesYearTwo" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TimeDepositMaturitiesYearTwo" xml:lang="en-US">Time Deposit Maturities, Year Two</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TimeDepositMaturitiesYearTwo" xml:lang="en-US">2019</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_TimeDepositMaturitiesYearTwo" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TimeDepositMaturitiesYearTwo"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDepositMaturitiesYearThree" xlink:label="loc_K196K48I138K_us-gaap_TimeDepositMaturitiesYearThree" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_TimeDepositMaturitiesYearThree" xml:lang="en-US">Time Deposit Maturities, Year Three</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_TimeDepositMaturitiesYearThree" xml:lang="en-US">2020</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TimeDepositMaturitiesYearThree" xlink:to="lab_M318M60K350M_us-gaap_TimeDepositMaturitiesYearThree"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDepositMaturitiesYearFour" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TimeDepositMaturitiesYearFour" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TimeDepositMaturitiesYearFour" xml:lang="en-US">Time Deposit Maturities, Year Four</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TimeDepositMaturitiesYearFour" xml:lang="en-US">2021</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_TimeDepositMaturitiesYearFour" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TimeDepositMaturitiesYearFour"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TimeDepositMaturitiesYearFiveAndAfterYearFive" xlink:label="loc_K196K48I138K_sfst_TimeDepositMaturitiesYearFiveAndAfterYearFive" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_TimeDepositMaturitiesYearFiveAndAfterYearFive" xml:lang="en-US">Time Deposit Maturities Year Five and After Year Five</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_TimeDepositMaturitiesYearFiveAndAfterYearFive" xml:lang="en-US">2022 and after</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_TimeDepositMaturitiesYearFiveAndAfterYearFive" xml:lang="en-US">Amount of time deposits maturing in fifth fiscal year and after the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_TimeDepositMaturitiesYearFiveAndAfterYearFive" xlink:to="lab_M318M60K350M_sfst_TimeDepositMaturitiesYearFiveAndAfterYearFive"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDeposits" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TimeDeposits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TimeDeposits" xml:lang="en-US">Time Deposits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TimeDeposits" xml:lang="en-US">Company time deposits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TimeDeposits" xml:lang="en-US">Certificates of deposit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_TimeDeposits" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TimeDeposits"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DepositsTextualAbstract" xlink:label="loc_K196K48I138K_sfst_DepositsTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_DepositsTextualAbstract" xml:lang="en-US">Deposits (Textual) [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_DepositsTextualAbstract" xml:lang="en-US">Deposits (Textual)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_DepositsTextualAbstract" xlink:to="lab_M318M60K350M_sfst_DepositsTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TimeDeposits100000OrMore" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TimeDeposits100000OrMore" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TimeDeposits100000OrMore" xml:lang="en-US">Time Deposits, $100,000 or More</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TimeDeposits100000OrMore" xml:lang="en-US">Time deposits greater $250,000</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_TimeDeposits100000OrMore" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TimeDeposits100000OrMore"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TimeDepositsObtainedOutsideOfPrimaryMarket" xlink:label="loc_K196K48I138K_sfst_TimeDepositsObtainedOutsideOfPrimaryMarket" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_TimeDepositsObtainedOutsideOfPrimaryMarket" xml:lang="en-US">Time Deposits Obtained Outside Of Primary Market</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_sfst_TimeDepositsObtainedOutsideOfPrimaryMarket" xml:lang="en-US">Time deposits obtained outside of primary market</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_TimeDepositsObtainedOutsideOfPrimaryMarket" xml:lang="en-US">Amount of time deposits that were obtained outside of the company's primary market.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_TimeDepositsObtainedOutsideOfPrimaryMarket" xlink:to="lab_M318M60K350M_sfst_TimeDepositsObtainedOutsideOfPrimaryMarket"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestExpenseTimeDeposits100000OrMore" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InterestExpenseTimeDeposits100000OrMore" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestExpenseTimeDeposits100000OrMore" xml:lang="en-US">Interest Expense, Time Deposits, 100,000 Or More</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestExpenseTimeDeposits100000OrMore" xml:lang="en-US">Interest expense on time deposits greater than $100,000</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InterestExpenseTimeDeposits100000OrMore" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InterestExpenseTimeDeposits100000OrMore"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable" xml:lang="en-US">Schedule Of Federal Home Loan Bank Advances, By Branch Of Fhlb Bank [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable" xml:lang="en-US">Schedule of Federal Home Loan Bank Advances, by Branch of FHLB Bank [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfFederalHomeLoanBankAdvancesByBranchOfFHLBBankTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ShortTermDebtTypeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShortTermDebtTypeAxis" xml:lang="en-US">Short-Term Debt, Type [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShortTermDebtTypeAxis" xml:lang="en-US">Short-term Debt, Type [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ShortTermDebtTypeAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ShortTermDebtTypeAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="loc_K196K48I138K_us-gaap_ShortTermDebtTypeDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ShortTermDebtTypeDomain" xml:lang="en-US">Short-Term Debt, Type [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ShortTermDebtTypeDomain" xml:lang="en-US">Short-term Debt, Type [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ShortTermDebtTypeDomain" xlink:to="lab_M318M60K350M_us-gaap_ShortTermDebtTypeDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FederalHomeLoanBankAdvancesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FederalHomeLoanBankAdvancesMember" xml:lang="en-US">Federal Home Loan Bank Advances [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FederalHomeLoanBankAdvancesMember" xml:lang="en-US">Federal Home Loan Bank Advances [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FederalHomeLoanBankAdvancesMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FederalHomeLoanBankAdvancesMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesOneMember" xlink:label="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesOneMember" xml:lang="en-US">Federal Home Loan Bank Advances One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesOneMember" xml:lang="en-US">Federal Home Loan Bank Advances one [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesOneMember" xml:lang="en-US">Federal Home Loan Bank Advances one.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesOneMember" xlink:to="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesOneMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesTwoMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvancesTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesTwoMember" xml:lang="en-US">Federal Home Loan Bank Advances Two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesTwoMember" xml:lang="en-US">Federal Home Loan Bank Advances two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesTwoMember" xml:lang="en-US">Federal Home Loan Bank Advances two.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvancesTwoMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesTwoMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesThreeMember" xlink:label="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesThreeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesThreeMember" xml:lang="en-US">Federal Home Loan Bank Advances Three [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesThreeMember" xml:lang="en-US">Federal Home Loan Bank Advances three [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesThreeMember" xml:lang="en-US">Federal Home Loan Bank Advances three.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesThreeMember" xlink:to="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesThreeMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesFourMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvancesFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesFourMember" xml:lang="en-US">Federal Home Loan Bank Advances Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesFourMember" xml:lang="en-US">Federal Home Loan Bank Advances four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesFourMember" xml:lang="en-US">Federal Home Loan Bank Advances four.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvancesFourMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesFourMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesFiveMember" xlink:label="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesFiveMember" xml:lang="en-US">Federal Home Loan Bank Advances Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesFiveMember" xml:lang="en-US">Federal Home Loan Bank Advances five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesFiveMember" xml:lang="en-US">Federal Home Loan Bank Advances five.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesFiveMember" xlink:to="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesFiveMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesSixMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvancesSixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesSixMember" xml:lang="en-US">Federal Home Loan Bank Advances Six [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesSixMember" xml:lang="en-US">Federal Home Loan Bank Advances six [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesSixMember" xml:lang="en-US">Federal Home Loan Bank Advances six.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvancesSixMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesSixMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesSevenMember" xlink:label="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesSevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesSevenMember" xml:lang="en-US">Federal Home Loan Bank Advances Seven [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesSevenMember" xml:lang="en-US">Federal Home Loan Bank Advances seven [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesSevenMember" xml:lang="en-US">Federal Home Loan Bank Advances seven.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesSevenMember" xlink:to="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesSevenMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesEightMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvancesEightMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesEightMember" xml:lang="en-US">Federal Home Loan Bank Advances Eight [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesEightMember" xml:lang="en-US">Federal Home Loan Bank Advances eight [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesEightMember" xml:lang="en-US">Federal Home Loan Bank Advances eight.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvancesEightMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesEightMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesNineMember" xlink:label="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesNineMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesNineMember" xml:lang="en-US">Federal Home Loan Bank Advances Nine [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesNineMember" xml:lang="en-US">Federal Home Loan Bank Advances nine [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesNineMember" xml:lang="en-US">Federal Home Loan Bank Advances nine.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesNineMember" xlink:to="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesNineMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesTenMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvancesTenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesTenMember" xml:lang="en-US">Federal Home Loan Bank Advances Ten [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesTenMember" xml:lang="en-US">Federal Home Loan Bank Advances ten [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvancesTenMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvancesTenMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesElevenMember" xlink:label="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesElevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesElevenMember" xml:lang="en-US">Federal Home Loan Bank Advances Eleven [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesElevenMember" xml:lang="en-US">Federal Home Loan Bank Advances eleven [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesElevenMember" xlink:to="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesElevenMember"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AdvancesFromFederalHomeLoanBanksAbstract" xml:lang="en-US">Advances From Federal Home Loan Banks [Abstract]</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesMaturityDate" xml:lang="en-US">Federal Home Loan Bank Advances maturity date.</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdvancesFromFederalHomeLoanBanks" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AdvancesFromFederalHomeLoanBanks" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AdvancesFromFederalHomeLoanBanks" xml:lang="en-US">Advances From Federal Home Loan Banks</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AdvancesFromFederalHomeLoanBanks" xml:lang="en-US">FHLB advances</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AdvancesFromFederalHomeLoanBanks" xml:lang="en-US">Amount</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate" xlink:label="loc_K196K48I138K_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate" xml:lang="en-US">Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate" xml:lang="en-US">Rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate" xlink:to="lab_M318M60K350M_us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAssetsSoldUnderAgreementsToRepurchaseTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfAssetsSoldUnderAgreementsToRepurchaseTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAssetsSoldUnderAgreementsToRepurchaseTable" xml:lang="en-US">Schedule Of Assets Sold Under Agreements To Repurchase [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAssetsSoldUnderAgreementsToRepurchaseTable" xml:lang="en-US">Schedule of Assets Sold under Agreements to Repurchase [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfAssetsSoldUnderAgreementsToRepurchaseTable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAssetsSoldUnderAgreementsToRepurchaseTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis" xlink:label="loc_K196K48I138K_us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis" xml:lang="en-US">Securities Or Other Assets Sold Under Agreements To Repurchase [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis" xml:lang="en-US">Securities or Other Assets Sold under Agreements to Repurchase [Axis]</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain" xml:lang="en-US">Assets Sold Under Agreements To Repurchase, Type [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain" xml:lang="en-US">Assets Sold under Agreements to Repurchase, Type [Domain]</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_StructuredDebtAgreementsMember" xlink:label="loc_K196K48I138K_sfst_StructuredDebtAgreementsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_StructuredDebtAgreementsMember" xml:lang="en-US">Structured Debt Agreements [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_StructuredDebtAgreementsMember" xml:lang="en-US">Structured debt agreements [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_StructuredDebtAgreementsMember" xml:lang="en-US">Structured debt agreements.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_StructuredDebtAgreementsMember" xlink:to="lab_M318M60K350M_sfst_StructuredDebtAgreementsMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_StructuredDebtAgreementsOneMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_StructuredDebtAgreementsOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_StructuredDebtAgreementsOneMember" xml:lang="en-US">Structured Debt Agreements One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_StructuredDebtAgreementsOneMember" xml:lang="en-US">Structured debt agreements one [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_StructuredDebtAgreementsOneMember" xml:lang="en-US">Structured debt agreements one.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_StructuredDebtAgreementsOneMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_StructuredDebtAgreementsOneMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_StructuredDebtAgreementsTwoMember" xlink:label="loc_K196K48I138K_sfst_StructuredDebtAgreementsTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_StructuredDebtAgreementsTwoMember" xml:lang="en-US">Structured Debt Agreements Two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_StructuredDebtAgreementsTwoMember" xml:lang="en-US">Structured debt agreements two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_StructuredDebtAgreementsTwoMember" xml:lang="en-US">Structured debt agreements two.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_StructuredDebtAgreementsTwoMember" xlink:to="lab_M318M60K350M_sfst_StructuredDebtAgreementsTwoMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_StructuredDebtAgreementsThreeMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_StructuredDebtAgreementsThreeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_StructuredDebtAgreementsThreeMember" xml:lang="en-US">Structured Debt Agreements Three [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_StructuredDebtAgreementsThreeMember" xml:lang="en-US">Structured debt agreements three [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_StructuredDebtAgreementsThreeMember" xml:lang="en-US">Structured debt agreements three.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_StructuredDebtAgreementsThreeMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_StructuredDebtAgreementsThreeMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseLineItems" xlink:label="loc_K196K48I138K_us-gaap_AssetsSoldUnderAgreementsToRepurchaseLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AssetsSoldUnderAgreementsToRepurchaseLineItems" xml:lang="en-US">Assets Sold Under Agreements To Repurchase [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AssetsSoldUnderAgreementsToRepurchaseLineItems" xml:lang="en-US">Assets Sold under Agreements to Repurchase [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AssetsSoldUnderAgreementsToRepurchaseLineItems" xlink:to="lab_M318M60K350M_us-gaap_AssetsSoldUnderAgreementsToRepurchaseLineItems"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ScheduleOfTermsAndMaturitiesOfStructuredDebtAgreementsAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_ScheduleOfTermsAndMaturitiesOfStructuredDebtAgreementsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ScheduleOfTermsAndMaturitiesOfStructuredDebtAgreementsAbstract" xml:lang="en-US">Schedule Of Terms and Maturities Of Structured Debt Agreements [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ScheduleOfTermsAndMaturitiesOfStructuredDebtAgreementsAbstract" xml:lang="en-US">Summary of terms and maturities of structured debt agreements</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SecuritiesSoldUnderAgreementsToRepurchaseMaturityDate" xlink:label="loc_K196K48I138K_sfst_SecuritiesSoldUnderAgreementsToRepurchaseMaturityDate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_SecuritiesSoldUnderAgreementsToRepurchaseMaturityDate" xml:lang="en-US">Securities Sold Under Agreements To Repurchase Maturity Date</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_SecuritiesSoldUnderAgreementsToRepurchaseMaturityDate" xml:lang="en-US">Maturity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_SecuritiesSoldUnderAgreementsToRepurchaseMaturityDate" xml:lang="en-US">Securities Sold under Agreements to Repurchase maturity date.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_SecuritiesSoldUnderAgreementsToRepurchaseMaturityDate" xlink:to="lab_M318M60K350M_sfst_SecuritiesSoldUnderAgreementsToRepurchaseMaturityDate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" xml:lang="en-US">Securities Sold Under Agreements To Repurchase</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" xml:lang="en-US">Securities sold under structured agreements to repurchase</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" xml:lang="en-US">Amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_SecuritiesSoldUnderAgreementsToRepurchase" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_SecuritiesSoldUnderAgreementsToRepurchase"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SecuritiesSoldUnderAgreementsToRepurchaseRate" xlink:label="loc_K196K48I138K_sfst_SecuritiesSoldUnderAgreementsToRepurchaseRate" />
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_SecuritiesSoldUnderAgreementsToRepurchaseRate" xml:lang="en-US">Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_SecuritiesSoldUnderAgreementsToRepurchaseRate" xml:lang="en-US">Securities sold under agreements to repurchase rate.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_SecuritiesSoldUnderAgreementsToRepurchaseRate" xlink:to="lab_M318M60K350M_sfst_SecuritiesSoldUnderAgreementsToRepurchaseRate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DebtInstrumentTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DebtInstrumentTable" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DebtInstrumentTable" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DebtInstrumentTable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DebtInstrumentTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_K196K48I138K_us-gaap_DerivativeInstrumentRiskAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DerivativeInstrumentRiskAxis" xml:lang="en-US">Derivative Instrument [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DerivativeInstrumentRiskAxis" xlink:to="lab_M318M60K350M_us-gaap_DerivativeInstrumentRiskAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DerivativeContractTypeDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DerivativeContractTypeDomain" xml:lang="en-US">Derivative Contract [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DerivativeContractTypeDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DerivativeContractTypeDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestRateFloorMember" xlink:label="loc_K196K48I138K_us-gaap_InterestRateFloorMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_InterestRateFloorMember" xml:lang="en-US">Interest Rate Floor [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_InterestRateFloorMember" xml:lang="en-US">Floor [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_InterestRateFloorMember" xlink:to="lab_M318M60K350M_us-gaap_InterestRateFloorMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_InterestRateCeilingMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_InterestRateCeilingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_InterestRateCeilingMember" xml:lang="en-US">Interest Rate Ceiling [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_InterestRateCeilingMember" xml:lang="en-US">Ceiling [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_InterestRateCeilingMember" xml:lang="en-US">Interest rate of ceiling.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_InterestRateCeilingMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_InterestRateCeilingMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_K196K48I138K_us-gaap_VariableRateAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_VariableRateAxis" xml:lang="en-US">Variable Rate [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_VariableRateAxis" xlink:to="lab_M318M60K350M_us-gaap_VariableRateAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_VariableRateDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_VariableRateDomain" xml:lang="en-US">Variable Rate [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_VariableRateDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_VariableRateDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_K196K48I138K_us-gaap_LondonInterbankOfferedRateLIBORMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LondonInterbankOfferedRateLIBORMember" xml:lang="en-US">London Interbank Offered Rate (LIBOR) [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LondonInterbankOfferedRateLIBORMember" xml:lang="en-US">LIBOR [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:to="lab_M318M60K350M_us-gaap_LondonInterbankOfferedRateLIBORMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DebtInstrumentLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DebtInstrumentLineItems" xml:lang="en-US">Debt Instrument [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DebtInstrumentLineItems" xml:lang="en-US">Debt Instrument [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DebtInstrumentLineItems" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DebtInstrumentLineItems"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvancesAndOtherBorrowingsTextualAbstract" xlink:label="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesAndOtherBorrowingsTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesAndOtherBorrowingsTextualAbstract" xml:lang="en-US">Federal Home Loan Bank Advances and Other Borrowings (Textual) [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesAndOtherBorrowingsTextualAbstract" xml:lang="en-US">Federal Home Loan Bank Advances and Other Borrowings (Textual)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FederalHomeLoanBankAdvancesAndOtherBorrowingsTextualAbstract" xlink:to="lab_M318M60K350M_sfst_FederalHomeLoanBankAdvancesAndOtherBorrowingsTextualAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FhlbAdvancesAndRelatedDebt" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_FhlbAdvancesAndRelatedDebt" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FhlbAdvancesAndRelatedDebt" xml:lang="en-US">Fhlb Advances and Related Debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FhlbAdvancesAndRelatedDebt" xml:lang="en-US">FHLB advances and other borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FhlbAdvancesAndRelatedDebt" xml:lang="en-US">FHLB advances and related debt.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_FhlbAdvancesAndRelatedDebt" xlink:to="lab_0J8HJH6K61II107LH824_sfst_FhlbAdvancesAndRelatedDebt"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShorttermDebtAverageOutstandingAmount" xlink:label="loc_K196K48I138K_us-gaap_ShorttermDebtAverageOutstandingAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ShorttermDebtAverageOutstandingAmount" xml:lang="en-US">Short-term Debt, Average Outstanding Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_ShorttermDebtAverageOutstandingAmount" xml:lang="en-US">Outstanding amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ShorttermDebtAverageOutstandingAmount" xlink:to="lab_M318M60K350M_us-gaap_ShorttermDebtAverageOutstandingAmount"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankStock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FederalHomeLoanBankStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FederalHomeLoanBankStock" xml:lang="en-US">Federal Home Loan Bank Stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FederalHomeLoanBankStock" xml:lang="en-US">FHLB stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FederalHomeLoanBankStock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FederalHomeLoanBankStock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRate" xlink:label="loc_K196K48I138K_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRate" xml:lang="en-US">Federal Home Loan Bank, Advances, Maturities Summary, Fixed Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRate" xml:lang="en-US">Amount of FHLB advances at fixed rates</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRate" xlink:to="lab_M318M60K350M_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFixedRate"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvanceMaturitiesSummaryFixedRate" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvanceMaturitiesSummaryFixedRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvanceMaturitiesSummaryFixedRate" xml:lang="en-US">Federal Home Loan Bank Advance Maturities Summary Fixed Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvanceMaturitiesSummaryFixedRate" xml:lang="en-US">Percentage of FHLB advances at fixed rates</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvanceMaturitiesSummaryFixedRate" xml:lang="en-US">Federal home loan bank advance maturities summary fixed rate.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvanceMaturitiesSummaryFixedRate" xlink:to="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvanceMaturitiesSummaryFixedRate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate" xlink:label="loc_K196K48I138K_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate" xml:lang="en-US">Federal Home Loan Bank, Advances, Maturities Summary, Floating Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate" xml:lang="en-US">Amount of FHLB advances at floating rates</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate" xlink:to="lab_M318M60K350M_us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FederalHomeLoanBankAdvanceMaturitiesSummaryFloatingRate" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvanceMaturitiesSummaryFloatingRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvanceMaturitiesSummaryFloatingRate" xml:lang="en-US">Federal Home Loan Bank Advance Maturities Summary Floating Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvanceMaturitiesSummaryFloatingRate" xml:lang="en-US">Percentage of FHLB advances at floating rates</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvanceMaturitiesSummaryFloatingRate" xml:lang="en-US">Federal home loan bank advance maturities summary floating rate.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_FederalHomeLoanBankAdvanceMaturitiesSummaryFloatingRate" xlink:to="lab_0J8HJH6K61II107LH824_sfst_FederalHomeLoanBankAdvanceMaturitiesSummaryFloatingRate"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_StructuredDebtAgreementsSecuredByInvestmentSecurities" xlink:label="loc_K196K48I138K_sfst_StructuredDebtAgreementsSecuredByInvestmentSecurities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_StructuredDebtAgreementsSecuredByInvestmentSecurities" xml:lang="en-US">Structured Debt Agreements Secured By Investment Securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_StructuredDebtAgreementsSecuredByInvestmentSecurities" xml:lang="en-US">Structured debt agreements secured by investment securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_StructuredDebtAgreementsSecuredByInvestmentSecurities" xml:lang="en-US">Structured debt agreements secured by investment securities.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_StructuredDebtAgreementsSecuredByInvestmentSecurities" xlink:to="lab_M318M60K350M_sfst_StructuredDebtAgreementsSecuredByInvestmentSecurities"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NumberOfStructuredDebtAgreements" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_NumberOfStructuredDebtAgreements" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfStructuredDebtAgreements" xml:lang="en-US">Number Of Structured Debt Agreements</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfStructuredDebtAgreements" xml:lang="en-US">Number of structured debt agreements</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfStructuredDebtAgreements" xml:lang="en-US">Number of structured debt agreements.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_NumberOfStructuredDebtAgreements" xlink:to="lab_0J8HJH6K61II107LH824_sfst_NumberOfStructuredDebtAgreements"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding" xlink:label="loc_K196K48I138K_us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding" xml:lang="en-US">Line Of Credit Facility, Fair Value Of Amount Outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding" xml:lang="en-US">Interest only line of credit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding" xlink:to="lab_M318M60K350M_us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xml:lang="en-US">Line Of Credit Facility, Interest Rate At Period End</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xml:lang="en-US">Line of credit, interest rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDescription" xlink:label="loc_K196K48I138K_us-gaap_LineOfCreditFacilityInterestRateDescription" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LineOfCreditFacilityInterestRateDescription" xml:lang="en-US">Line of Credit Facility, Interest Rate Description</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_LineOfCreditFacilityInterestRateDescription" xml:lang="en-US">Line of credit facility, Interest rate description</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LineOfCreditFacilityInterestRateDescription" xlink:to="lab_M318M60K350M_us-gaap_LineOfCreditFacilityInterestRateDescription"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LineOfCreditFacilityExpirationDate1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LineOfCreditFacilityExpirationDate1" xml:lang="en-US">Line Of Credit Facility, Expiration Date</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LineOfCreditFacilityExpirationDate1" xml:lang="en-US">Line of credit facility, maturity date</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LineOfCreditFacilityExpirationDate1" xml:lang="en-US">Line of credit facility, maturity date</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LineOfCreditFacilityExpirationDate1" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LineOfCreditFacilityExpirationDate1"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_RestructuredFhlbAdvances" xlink:label="loc_K196K48I138K_sfst_RestructuredFhlbAdvances" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_RestructuredFhlbAdvances" xml:lang="en-US">Restructured Fhlb Advances</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_sfst_RestructuredFhlbAdvances" xml:lang="en-US">Restructured FHLB advances</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_RestructuredFhlbAdvances" xml:lang="en-US">Restructured FHLB advances.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_RestructuredFhlbAdvances" xlink:to="lab_M318M60K350M_sfst_RestructuredFhlbAdvances"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DescriptionOfPresentValueOfCashFlowOfModifiedFhlbAdvances" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_DescriptionOfPresentValueOfCashFlowOfModifiedFhlbAdvances" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DescriptionOfPresentValueOfCashFlowOfModifiedFhlbAdvances" xml:lang="en-US">Description Of Present Value Of Cash Flow Of Modified Fhlb Advances</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DescriptionOfPresentValueOfCashFlowOfModifiedFhlbAdvances" xml:lang="en-US">Description of present value of cash flow of modified FHLB advances</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DescriptionOfPresentValueOfCashFlowOfModifiedFhlbAdvances" xml:lang="en-US">Description of present value of cash flow of modified FHLB advances.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_DescriptionOfPresentValueOfCashFlowOfModifiedFhlbAdvances" xlink:to="lab_0J8HJH6K61II107LH824_sfst_DescriptionOfPresentValueOfCashFlowOfModifiedFhlbAdvances"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRate" xlink:label="loc_K196K48I138K_us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRate" xml:lang="en-US">Federal Home Loan Bank, Advances, Weighted Average Interest Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRate" xml:lang="en-US">FHLB advances weighted average rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRate" xlink:to="lab_M318M60K350M_us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRate"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_RestructuredFhlbAdvancesWeightedAverageRemainingLife" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_RestructuredFhlbAdvancesWeightedAverageRemainingLife" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_RestructuredFhlbAdvancesWeightedAverageRemainingLife" xml:lang="en-US">Restructured Fhlb Advances Weighted Average Remaining Life</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_RestructuredFhlbAdvancesWeightedAverageRemainingLife" xml:lang="en-US">Restructured FHLB advances, weighted average remaining life</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_RestructuredFhlbAdvancesWeightedAverageRemainingLife" xml:lang="en-US">Restructured FHLB advances weighted average remaining life.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_RestructuredFhlbAdvancesWeightedAverageRemainingLife" xlink:to="lab_0J8HJH6K61II107LH824_sfst_RestructuredFhlbAdvancesWeightedAverageRemainingLife"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FhlbAdvancesWeightedAverageRemainingLife" xlink:label="loc_K196K48I138K_sfst_FhlbAdvancesWeightedAverageRemainingLife" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FhlbAdvancesWeightedAverageRemainingLife" xml:lang="en-US">Fhlb Advances Weighted Average Remaining Life</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_sfst_FhlbAdvancesWeightedAverageRemainingLife" xml:lang="en-US">FHLB advances, weighted average remaining life</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_FhlbAdvancesWeightedAverageRemainingLife" xml:lang="en-US">FHLB advances weighted average remaining life.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FhlbAdvancesWeightedAverageRemainingLife" xlink:to="lab_M318M60K350M_sfst_FhlbAdvancesWeightedAverageRemainingLife"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_RestructuredFhlbAdvancesWeightedAverageInterestRate" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_RestructuredFhlbAdvancesWeightedAverageInterestRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_RestructuredFhlbAdvancesWeightedAverageInterestRate" xml:lang="en-US">Restructured Fhlb Advances Weighted Average Interest Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_RestructuredFhlbAdvancesWeightedAverageInterestRate" xml:lang="en-US">Restructured FHLB advances, weighted average interest rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_RestructuredFhlbAdvancesWeightedAverageInterestRate" xml:lang="en-US">Restructured FHLB advances weighted average interest rate.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_RestructuredFhlbAdvancesWeightedAverageInterestRate" xlink:to="lab_0J8HJH6K61II107LH824_sfst_RestructuredFhlbAdvancesWeightedAverageInterestRate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_K196K48I138K_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xml:lang="en-US">Related Party [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xml:lang="en-US">Related Party [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="lab_M318M60K350M_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_RelatedPartyDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RelatedPartyDomain" xml:lang="en-US">Related Party [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RelatedPartyDomain" xml:lang="en-US">Related Party [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_RelatedPartyDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_RelatedPartyDomain"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_GreenvilleFirstStatutoryTrustOneMember" xlink:label="loc_K196K48I138K_sfst_GreenvilleFirstStatutoryTrustOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_GreenvilleFirstStatutoryTrustOneMember" xml:lang="en-US">Greenville First Statutory Trust One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_GreenvilleFirstStatutoryTrustOneMember" xml:lang="en-US">Greenville First Statutory Trust I [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_GreenvilleFirstStatutoryTrustOneMember" xml:lang="en-US">Greenville First Statutory Trust I.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_GreenvilleFirstStatutoryTrustOneMember" xlink:to="lab_M318M60K350M_sfst_GreenvilleFirstStatutoryTrustOneMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_GreenvilleFirstStatutoryTrustTwoMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_GreenvilleFirstStatutoryTrustTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_GreenvilleFirstStatutoryTrustTwoMember" xml:lang="en-US">Greenville First Statutory Trust Two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_GreenvilleFirstStatutoryTrustTwoMember" xml:lang="en-US">Greenville First Statutory Trust II [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_GreenvilleFirstStatutoryTrustTwoMember" xml:lang="en-US">Greenville First Statutory Trust II.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_GreenvilleFirstStatutoryTrustTwoMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_GreenvilleFirstStatutoryTrustTwoMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_JuniorSubordinatedDebenturesTextualAbstract" xlink:label="loc_K196K48I138K_sfst_JuniorSubordinatedDebenturesTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_JuniorSubordinatedDebenturesTextualAbstract" xml:lang="en-US">Junior Subordinated Debentures (Textual) [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_JuniorSubordinatedDebenturesTextualAbstract" xml:lang="en-US">Junior Subordinated Debentures (Textual)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_JuniorSubordinatedDebenturesTextualAbstract" xlink:to="lab_M318M60K350M_sfst_JuniorSubordinatedDebenturesTextualAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TrustPreferredSecuritiesIssuedAtFloatingRate" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_TrustPreferredSecuritiesIssuedAtFloatingRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TrustPreferredSecuritiesIssuedAtFloatingRate" xml:lang="en-US">Trust Preferred Securities Issued At Floating Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TrustPreferredSecuritiesIssuedAtFloatingRate" xml:lang="en-US">Amount of trust preferred securities issued at floating rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TrustPreferredSecuritiesIssuedAtFloatingRate" xml:lang="en-US">Amount of trust preferred securities issued at floating rate .</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_TrustPreferredSecuritiesIssuedAtFloatingRate" xlink:to="lab_0J8HJH6K61II107LH824_sfst_TrustPreferredSecuritiesIssuedAtFloatingRate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="loc_K196K48I138K_us-gaap_DebtInstrumentMaturityDate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DebtInstrumentMaturityDate" xml:lang="en-US">Debt Instrument, Maturity Date</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_DebtInstrumentMaturityDate" xml:lang="en-US">Maturity date of trust preferred securities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DebtInstrumentMaturityDate" xlink:to="lab_M318M60K350M_us-gaap_DebtInstrumentMaturityDate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtPercentageBearingVariableInterestRate" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LongTermDebtPercentageBearingVariableInterestRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LongTermDebtPercentageBearingVariableInterestRate" xml:lang="en-US">Long-Term Debt, Percentage Bearing Variable Interest, Percentage Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LongTermDebtPercentageBearingVariableInterestRate" xml:lang="en-US">Floating interest rate of trust preferred securities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LongTermDebtPercentageBearingVariableInterestRate" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LongTermDebtPercentageBearingVariableInterestRate"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_IndexedPeriodOfLondonInterbankOfferedRate" xlink:label="loc_K196K48I138K_sfst_IndexedPeriodOfLondonInterbankOfferedRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_IndexedPeriodOfLondonInterbankOfferedRate" xml:lang="en-US">Indexed Period Of London Interbank Offered Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_IndexedPeriodOfLondonInterbankOfferedRate" xml:lang="en-US">Indexed period of LIBOR rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_IndexedPeriodOfLondonInterbankOfferedRate" xml:lang="en-US">Indexed period of London interbank offered rate.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_IndexedPeriodOfLondonInterbankOfferedRate" xlink:to="lab_M318M60K350M_sfst_IndexedPeriodOfLondonInterbankOfferedRate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfTrustPreferredSecurities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ProceedsFromIssuanceOfTrustPreferredSecurities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ProceedsFromIssuanceOfTrustPreferredSecurities" xml:lang="en-US">Proceeds From Issuance Of Trust Preferred Securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ProceedsFromIssuanceOfTrustPreferredSecurities" xml:lang="en-US">Proceeds from issuance trust preferred securities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ProceedsFromIssuanceOfTrustPreferredSecurities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ProceedsFromIssuanceOfTrustPreferredSecurities"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_InitialProceedsOfPreferredSecuritiesFromCapitalInvestment" xlink:label="loc_K196K48I138K_sfst_InitialProceedsOfPreferredSecuritiesFromCapitalInvestment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_InitialProceedsOfPreferredSecuritiesFromCapitalInvestment" xml:lang="en-US">Initial Proceeds Of Preferred Securities From Capital Investment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_InitialProceedsOfPreferredSecuritiesFromCapitalInvestment" xml:lang="en-US">Initial proceeds from capital investment in trust</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_InitialProceedsOfPreferredSecuritiesFromCapitalInvestment" xml:lang="en-US">Initial proceeds of preferred securities from the capital investment.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_InitialProceedsOfPreferredSecuritiesFromCapitalInvestment" xlink:to="lab_M318M60K350M_sfst_InitialProceedsOfPreferredSecuritiesFromCapitalInvestment"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DescriptionOfWallStreetReformAndConsumerProtectionAct" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_DescriptionOfWallStreetReformAndConsumerProtectionAct" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DescriptionOfWallStreetReformAndConsumerProtectionAct" xml:lang="en-US">Description Of Wall Street Reform and Consumer Protection Act</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DescriptionOfWallStreetReformAndConsumerProtectionAct" xml:lang="en-US">Dodd-Frank Act prohibits, Description</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DescriptionOfWallStreetReformAndConsumerProtectionAct" xml:lang="en-US">Description of Dodd-Frank wall street reform and consumer protection act.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_DescriptionOfWallStreetReformAndConsumerProtectionAct" xlink:to="lab_0J8HJH6K61II107LH824_sfst_DescriptionOfWallStreetReformAndConsumerProtectionAct"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_UnusedLinesOfCreditTextualAbstract" xlink:label="loc_K196K48I138K_sfst_UnusedLinesOfCreditTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_UnusedLinesOfCreditTextualAbstract" xml:lang="en-US">Unused Lines Of Credit (Textual) [Abstract]</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NumberOfLinesOfCredit" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_NumberOfLinesOfCredit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfLinesOfCredit" xml:lang="en-US">Number Of Lines Of Credit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfLinesOfCredit" xml:lang="en-US">Number of lines of credit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfLinesOfCredit" xml:lang="en-US">Number of lines of credit.</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_K196K48I138K_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US">Line Of Credit Facility, Maximum Borrowing Capacity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US">Lines of credit to purchase federal funds</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_AdditionalBorrowingsUnderFederalHomeLoanBank" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_AdditionalBorrowingsUnderFederalHomeLoanBank" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AdditionalBorrowingsUnderFederalHomeLoanBank" xml:lang="en-US">Additional Borrowings Under Federal Home Loan Bank</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AdditionalBorrowingsUnderFederalHomeLoanBank" xml:lang="en-US">Additional borrowings under FHLB</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AdditionalBorrowingsUnderFederalHomeLoanBank" xml:lang="en-US">Additional borrowings under Federal Home Loan Bank.</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xml:lang="en-US">Schedule of Fair Value, Off-balance Sheet Risks [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xml:lang="en-US">Schedule of Fair Value, Off-balance Sheet Risks [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestRateLockCommitmentsMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InterestRateLockCommitmentsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestRateLockCommitmentsMember" xml:lang="en-US">Interest Rate Lock Commitments [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InterestRateLockCommitmentsMember" xml:lang="en-US">Mortgage loan interest rate lock commitments [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InterestRateLockCommitmentsMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InterestRateLockCommitmentsMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SecuritiesSoldNotYetPurchasedMember" xlink:label="loc_K196K48I138K_us-gaap_SecuritiesSoldNotYetPurchasedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_SecuritiesSoldNotYetPurchasedMember" xml:lang="en-US">Securities Sold, Not yet Purchased [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_SecuritiesSoldNotYetPurchasedMember" xml:lang="en-US">MBS forward sales commitments [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_SecuritiesSoldNotYetPurchasedMember" xlink:to="lab_M318M60K350M_us-gaap_SecuritiesSoldNotYetPurchasedMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DerivativeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DerivativeMember" xml:lang="en-US">Derivative [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DerivativeMember" xml:lang="en-US">Total derivative financial instruments [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DerivativeMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DerivativeMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems" xlink:label="loc_K196K48I138K_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosures [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems" xlink:to="lab_M318M60K350M_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_8H6FHF4I49GG985JF602_invest_DerivativeNotionalAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_invest_DerivativeNotionalAmount" xml:lang="en-US">Derivative, Notional Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_invest_DerivativeNotionalAmount" xml:lang="en-US">Derivative financial instruments, Notional amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_invest_DerivativeNotionalAmount" xlink:to="lab_0J8HJH6K61II107LH824_invest_DerivativeNotionalAmount"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:label="loc_K196K48I138K_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xml:lang="en-US">Derivative Assets (Liabilities), at Fair Value, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xml:lang="en-US">Mortgage loan interest rate lock commitments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xml:lang="en-US">Derivative Asset/(Liability), Fair Value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:to="lab_M318M60K350M_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xml:lang="en-US">Fair Value Measurements, Recurring and Nonrecurring [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xml:lang="en-US">Fair Value Measurements, Recurring and Nonrecurring [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_K196K48I138K_us-gaap_FairValueByMeasurementFrequencyAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueByMeasurementFrequencyAxis" xml:lang="en-US">Measurement Frequency [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueByMeasurementFrequencyAxis" xml:lang="en-US">Measurement Frequency [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="lab_M318M60K350M_us-gaap_FairValueByMeasurementFrequencyAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueMeasurementFrequencyDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementFrequencyDomain" xml:lang="en-US">Fair Value, Measurement Frequency [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementFrequencyDomain" xml:lang="en-US">Fair Value, Measurement Frequency [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementFrequencyDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_K196K48I138K_us-gaap_FairValueMeasurementsRecurringMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueMeasurementsRecurringMember" xml:lang="en-US">Fair Value, Measurements, Recurring [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueMeasurementsRecurringMember" xml:lang="en-US">Fair Value, Measurements, Recurring [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueMeasurementsRecurringMember" xlink:to="lab_M318M60K350M_us-gaap_FairValueMeasurementsRecurringMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueByFairValueHierarchyLevelAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueByFairValueHierarchyLevelAxis" xml:lang="en-US">Fair Value, Hierarchy [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueByFairValueHierarchyLevelAxis" xml:lang="en-US">Fair Value, Hierarchy [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_K196K48I138K_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xml:lang="en-US">Fair Value, Measurements, Fair Value Hierarchy [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xml:lang="en-US">Fair Value, Measurements, Fair Value Hierarchy [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="lab_M318M60K350M_us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueInputsLevel1Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueInputsLevel1Member" xml:lang="en-US">Fair Value, Inputs, Level 1 [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueInputsLevel1Member" xml:lang="en-US">Level 1 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueInputsLevel1Member" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueInputsLevel1Member"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_K196K48I138K_us-gaap_FairValueInputsLevel2Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueInputsLevel2Member" xml:lang="en-US">Fair Value, Inputs, Level 2 [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueInputsLevel2Member" xml:lang="en-US">Level 2 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueInputsLevel2Member" xlink:to="lab_M318M60K350M_us-gaap_FairValueInputsLevel2Member"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueInputsLevel3Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueInputsLevel3Member" xml:lang="en-US">Fair Value, Inputs, Level 3 [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueInputsLevel3Member" xml:lang="en-US">Level 3 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueInputsLevel3Member" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueInputsLevel3Member"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_K196K48I138K_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xml:lang="en-US">Fair Value, Assets and Liabilities Measured On Recurring and Nonrecurring Basis [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="lab_M318M60K350M_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xml:lang="en-US">Fair Value, Assets and Liabilities Measured On Recurring Basis [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xml:lang="en-US">Schedule of assets and liabilities measured at fair value on recurring basis</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract" xlink:label="loc_K196K48I138K_us-gaap_AssetsFairValueDisclosureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AssetsFairValueDisclosureAbstract" xml:lang="en-US">Assets, Fair Value Disclosure [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AssetsFairValueDisclosureAbstract" xml:lang="en-US">Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AssetsFairValueDisclosureAbstract" xlink:to="lab_M318M60K350M_us-gaap_AssetsFairValueDisclosureAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SecuritiesAvailableForSaleFairValueAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_SecuritiesAvailableForSaleFairValueAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SecuritiesAvailableForSaleFairValueAbstract" xml:lang="en-US">Securities Available For Sale Fair Value [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SecuritiesAvailableForSaleFairValueAbstract" xml:lang="en-US">Securities available for sale:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_SecuritiesAvailableForSaleFairValueAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_SecuritiesAvailableForSaleFairValueAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SecuritiesAvailableForSaleFairValueUsAgencySecurities" xlink:label="loc_K196K48I138K_sfst_SecuritiesAvailableForSaleFairValueUsAgencySecurities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_SecuritiesAvailableForSaleFairValueUsAgencySecurities" xml:lang="en-US">Securities Available For Sale Fair Value Us Agency Securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_sfst_SecuritiesAvailableForSaleFairValueUsAgencySecurities" xml:lang="en-US">US government agencies</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_SecuritiesAvailableForSaleFairValueUsAgencySecurities" xml:lang="en-US">US Agency securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_SecuritiesAvailableForSaleFairValueUsAgencySecurities" xml:lang="en-US">Securities Available for Sale, Fair value, US agency securities.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_SecuritiesAvailableForSaleFairValueUsAgencySecurities" xlink:to="lab_M318M60K350M_sfst_SecuritiesAvailableForSaleFairValueUsAgencySecurities"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SecuritiesAvailableForSaleFairValueSbaSecurities" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_SecuritiesAvailableForSaleFairValueSbaSecurities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SecuritiesAvailableForSaleFairValueSbaSecurities" xml:lang="en-US">Securities Available For Sale Fair Value Sba Securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SecuritiesAvailableForSaleFairValueSbaSecurities" xml:lang="en-US">SBA securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SecuritiesAvailableForSaleFairValueSbaSecurities" xml:lang="en-US">Securities Available for Sale, Fair value, SBA Securities.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_SecuritiesAvailableForSaleFairValueSbaSecurities" xlink:to="lab_0J8HJH6K61II107LH824_sfst_SecuritiesAvailableForSaleFairValueSbaSecurities"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SecuritiesAvailableForSaleFairValueStateAndPoliticalSubdivisions" xlink:label="loc_K196K48I138K_sfst_SecuritiesAvailableForSaleFairValueStateAndPoliticalSubdivisions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_SecuritiesAvailableForSaleFairValueStateAndPoliticalSubdivisions" xml:lang="en-US">Securities Available For Sale Fair Value State and Political Subdivisions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_SecuritiesAvailableForSaleFairValueStateAndPoliticalSubdivisions" xml:lang="en-US">State and political subdivisions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_SecuritiesAvailableForSaleFairValueStateAndPoliticalSubdivisions" xml:lang="en-US">Securities Available for Sale, Fair value, State and political subdivisions.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_SecuritiesAvailableForSaleFairValueStateAndPoliticalSubdivisions" xlink:to="lab_M318M60K350M_sfst_SecuritiesAvailableForSaleFairValueStateAndPoliticalSubdivisions"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure" xml:lang="en-US">Mortgage-backed Securities Available-for-sale, Fair Value Disclosure</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure" xml:lang="en-US">Mortgage-backed securities &amp; state and municipal obligation sold</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure" xml:lang="en-US">Mortgage-backed securities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansHeldForSaleFairValueDisclosure" xlink:label="loc_K196K48I138K_us-gaap_LoansHeldForSaleFairValueDisclosure" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LoansHeldForSaleFairValueDisclosure" xml:lang="en-US">Loans Held-for-sale, Fair Value Disclosure</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LoansHeldForSaleFairValueDisclosure" xml:lang="en-US">Loans held for sale, Fair value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_M318M60K350M_us-gaap_LoansHeldForSaleFairValueDisclosure" xml:lang="en-US">Mortgage loans held for sale</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_M318M60K350M_us-gaap_LoansHeldForSaleFairValueDisclosure" xml:lang="en-US">Mortgage loans held for sale, Fair Value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LoansHeldForSaleFairValueDisclosure" xlink:to="lab_M318M60K350M_us-gaap_LoansHeldForSaleFairValueDisclosure"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AssetsFairValueDisclosure" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosure" xml:lang="en-US">Assets, Fair Value Disclosure, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosure" xml:lang="en-US">Total assets measured at fair value on a nonrecurring basis</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosure" xml:lang="en-US">Total assets measured at fair value on a recurring basis</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_AssetsFairValueDisclosure" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosure"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:label="loc_K196K48I138K_us-gaap_LiabilitiesFairValueDisclosureAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LiabilitiesFairValueDisclosureAbstract" xml:lang="en-US">Liabilities, Fair Value Disclosure [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_LiabilitiesFairValueDisclosureAbstract" xml:lang="en-US">Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:to="lab_M318M60K350M_us-gaap_LiabilitiesFairValueDisclosureAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue" xml:lang="en-US">Financial Instruments Sold, Not yet Purchased, at Fair Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue" xml:lang="en-US">MBS forward sales commitments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="loc_K196K48I138K_us-gaap_LiabilitiesFairValueDisclosure" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LiabilitiesFairValueDisclosure" xml:lang="en-US">Financial and Nonfinancial Liabilities, Fair Value Disclosure</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_LiabilitiesFairValueDisclosure" xml:lang="en-US">Total liabilities measured at fair value on a recurring basis</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LiabilitiesFairValueDisclosure" xlink:to="lab_M318M60K350M_us-gaap_LiabilitiesFairValueDisclosure"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsNonrecurringMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueMeasurementsNonrecurringMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementsNonrecurringMember" xml:lang="en-US">Fair Value, Measurements, Nonrecurring [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementsNonrecurringMember" xml:lang="en-US">Fair Value, Measurements, Nonrecurring [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueMeasurementsNonrecurringMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementsNonrecurringMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FairValueAssetsAndLiabilitiesMeasuredOnNonRecurringBasisAbstract" xlink:label="loc_K196K48I138K_sfst_FairValueAssetsAndLiabilitiesMeasuredOnNonRecurringBasisAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FairValueAssetsAndLiabilitiesMeasuredOnNonRecurringBasisAbstract" xml:lang="en-US">Fair Value, Assets and Liabilities Measured On Non Recurring Basis [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_FairValueAssetsAndLiabilitiesMeasuredOnNonRecurringBasisAbstract" xml:lang="en-US">Schedule of assets and liabilities measured on a nonrecurring basis</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FairValueAssetsAndLiabilitiesMeasuredOnNonRecurringBasisAbstract" xlink:to="lab_M318M60K350M_sfst_FairValueAssetsAndLiabilitiesMeasuredOnNonRecurringBasisAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ImpairedLoansFairValue" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_ImpairedLoansFairValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ImpairedLoansFairValue" xml:lang="en-US">Impaired Loans, Fair Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ImpairedLoansFairValue" xml:lang="en-US">Impaired loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ImpairedLoansFairValue" xml:lang="en-US">Impaired loans, Fair value.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_ImpairedLoansFairValue" xlink:to="lab_0J8HJH6K61II107LH824_sfst_ImpairedLoansFairValue"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_OtherRealEstateOwned" xlink:label="loc_K196K48I138K_sfst_OtherRealEstateOwned" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_OtherRealEstateOwned" xml:lang="en-US">Other Real Estate Owned</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_OtherRealEstateOwned" xml:lang="en-US">Other real estate owned</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_OtherRealEstateOwned" xml:lang="en-US">Other real estate owned.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_OtherRealEstateOwned" xlink:to="lab_M318M60K350M_sfst_OtherRealEstateOwned"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsFairValueDisclosureNonrecurring" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AssetsFairValueDisclosureNonrecurring" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosureNonrecurring" xml:lang="en-US">Assets, Fair Value Disclosure, Nonrecurring</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosureNonrecurring" xml:lang="en-US">Total assets measured at fair value on a nonrecurring basis</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosureNonrecurring" xml:lang="en-US">Total assets measured at fair value on a recurring basis</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_AssetsFairValueDisclosureNonrecurring" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosureNonrecurring"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:label="loc_K196K48I138K_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xml:lang="en-US">Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xml:lang="en-US">Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:to="lab_M318M60K350M_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueByAssetClassAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueByAssetClassAxis" xml:lang="en-US">Asset Class [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueByAssetClassAxis" xml:lang="en-US">Asset Class [Axis]</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_K196K48I138K_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xml:lang="en-US">Fair Value By Asset Class [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xml:lang="en-US">Fair Value by Asset Class [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:to="lab_M318M60K350M_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ImpairedLoansMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_ImpairedLoansMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ImpairedLoansMember" xml:lang="en-US">Impaired Loans [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ImpairedLoansMember" xml:lang="en-US">Impaired loans [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ImpairedLoansMember" xml:lang="en-US">Impaired loans.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_ImpairedLoansMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_ImpairedLoansMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_OtherRealEstateOwnedMember" xlink:label="loc_K196K48I138K_sfst_OtherRealEstateOwnedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_OtherRealEstateOwnedMember" xml:lang="en-US">Other Real Estate Owned [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_OtherRealEstateOwnedMember" xml:lang="en-US">Other real estate owned [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_OtherRealEstateOwnedMember" xml:lang="en-US">Other real estate owned.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_OtherRealEstateOwnedMember" xlink:to="lab_M318M60K350M_sfst_OtherRealEstateOwnedMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xml:lang="en-US">Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xml:lang="en-US">Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FairValueMeasurementsRecurringAndNonrecurringValuationTechniquesAbstract" xlink:label="loc_K196K48I138K_sfst_FairValueMeasurementsRecurringAndNonrecurringValuationTechniquesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FairValueMeasurementsRecurringAndNonrecurringValuationTechniquesAbstract" xml:lang="en-US">Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_FairValueMeasurementsRecurringAndNonrecurringValuationTechniquesAbstract" xml:lang="en-US">Schedule of unobservable inputs used in the fair value measurements</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FairValueMeasurementsRecurringAndNonrecurringValuationTechniquesAbstract" xlink:to="lab_M318M60K350M_sfst_FairValueMeasurementsRecurringAndNonrecurringValuationTechniquesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsValuationTechniques" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueMeasurementsValuationTechniques" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementsValuationTechniques" xml:lang="en-US">Fair Value Measurements, Valuation Techniques</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementsValuationTechniques" xml:lang="en-US">Valuation Technique</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueMeasurementsValuationTechniques" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementsValuationTechniques"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsSignificantAssumptions" xlink:label="loc_K196K48I138K_us-gaap_FairValueMeasurementsSignificantAssumptions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueMeasurementsSignificantAssumptions" xml:lang="en-US">Fair Value Measurements, Significant Assumptions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueMeasurementsSignificantAssumptions" xml:lang="en-US">Significant Unobservable Inputs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueMeasurementsSignificantAssumptions" xlink:to="lab_M318M60K350M_us-gaap_FairValueMeasurementsSignificantAssumptions"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FairValueAssumptionsRangeOfInputs" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_FairValueAssumptionsRangeOfInputs" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FairValueAssumptionsRangeOfInputs" xml:lang="en-US">Fair Value Assumptions Range Of Inputs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FairValueAssumptionsRangeOfInputs" xml:lang="en-US">Range of Inputs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_FairValueAssumptionsRangeOfInputs" xml:lang="en-US">Fair value assumptions range of inputs.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_FairValueAssumptionsRangeOfInputs" xlink:to="lab_0J8HJH6K61II107LH824_sfst_FairValueAssumptionsRangeOfInputs"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="loc_K196K48I138K_us-gaap_FairValueByBalanceSheetGroupingTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueByBalanceSheetGroupingTable" xml:lang="en-US">Fair Value, By Balance Sheet Grouping [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueByBalanceSheetGroupingTable" xml:lang="en-US">Fair Value, by Balance Sheet Grouping [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueByBalanceSheetGroupingTable" xlink:to="lab_M318M60K350M_us-gaap_FairValueByBalanceSheetGroupingTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueByMeasurementBasisAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueByMeasurementBasisAxis" xml:lang="en-US">Measurement Basis [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueByMeasurementBasisAxis" xml:lang="en-US">Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueByMeasurementBasisAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueByMeasurementBasisAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="loc_K196K48I138K_us-gaap_FairValueDisclosureItemAmountsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueDisclosureItemAmountsDomain" xml:lang="en-US">Fair Value Measurement [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueDisclosureItemAmountsDomain" xml:lang="en-US">Fair Value, Disclosure Item Amounts [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueDisclosureItemAmountsDomain" xlink:to="lab_M318M60K350M_us-gaap_FairValueDisclosureItemAmountsDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_EstimateOfFairValueFairValueDisclosureMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EstimateOfFairValueFairValueDisclosureMember" xml:lang="en-US">Estimate Of Fair Value, Fair Value Disclosure [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EstimateOfFairValueFairValueDisclosureMember" xml:lang="en-US">Estimate of Fair Value [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="loc_K196K48I138K_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xml:lang="en-US">Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xml:lang="en-US">Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:to="lab_M318M60K350M_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract" xml:lang="en-US">Financial Instruments, Owned, At Fair Value [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract" xml:lang="en-US">Financial Instruments, Owned, at Fair Value [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:label="loc_K196K48I138K_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xml:lang="en-US">Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xml:lang="en-US">Financial Assets:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:to="lab_M318M60K350M_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansReceivableNet" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LoansReceivableNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableNet" xml:lang="en-US">Loans Receivable, Net, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableNet" xml:lang="en-US">Loans, net, Carrying Amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LoansReceivableNet" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsFairValueDisclosure" xlink:label="loc_K196K48I138K_us-gaap_OtherAssetsFairValueDisclosure" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_OtherAssetsFairValueDisclosure" xml:lang="en-US">Other Assets, Fair Value Disclosure</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherAssetsFairValueDisclosure" xml:lang="en-US">Other investments, at cost, Fair Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherAssetsFairValueDisclosure" xml:lang="en-US">Other investments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_OtherAssetsFairValueDisclosure" xlink:to="lab_M318M60K350M_us-gaap_OtherAssetsFairValueDisclosure"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansReceivableFairValueDisclosure" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LoansReceivableFairValueDisclosure" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableFairValueDisclosure" xml:lang="en-US">Loans Receivable, Fair Value Disclosure</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableFairValueDisclosure" xml:lang="en-US">Loans, net, Fair Value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LoansReceivableFairValueDisclosure" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LoansReceivableFairValueDisclosure"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" xlink:label="loc_K196K48I138K_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" xml:lang="en-US">Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" xml:lang="en-US">Financial Liabilities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" xlink:to="lab_M318M60K350M_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankAdvances" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FederalHomeLoanBankAdvances" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FederalHomeLoanBankAdvances" xml:lang="en-US">Federal Home Loan Bank Advances</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FederalHomeLoanBankAdvances" xml:lang="en-US">FHLB and other borrowings, Carrying Amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FederalHomeLoanBankAdvances" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FederalHomeLoanBankAdvances"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubordinatedDebt" xlink:label="loc_K196K48I138K_us-gaap_SubordinatedDebt" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_SubordinatedDebt" xml:lang="en-US">Subordinated Debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_SubordinatedDebt" xml:lang="en-US">Junior subordinated debentures, Carrying Amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_SubordinatedDebt" xlink:to="lab_M318M60K350M_us-gaap_SubordinatedDebt"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepositsFairValueDisclosure" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DepositsFairValueDisclosure" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DepositsFairValueDisclosure" xml:lang="en-US">Deposits, Fair Value Disclosure</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DepositsFairValueDisclosure" xml:lang="en-US">Deposits, Fair Value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DepositsFairValueDisclosure" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DepositsFairValueDisclosure"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FederalHomeLoanBankBorrowingsFairValueDisclosure" xlink:label="loc_K196K48I138K_us-gaap_FederalHomeLoanBankBorrowingsFairValueDisclosure" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FederalHomeLoanBankBorrowingsFairValueDisclosure" xml:lang="en-US">Federal Home Loan Bank Borrowings, Fair Value Disclosure</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_FederalHomeLoanBankBorrowingsFairValueDisclosure" xml:lang="en-US">FHLB and other borrowings, Fair Value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FederalHomeLoanBankBorrowingsFairValueDisclosure" xlink:to="lab_M318M60K350M_us-gaap_FederalHomeLoanBankBorrowingsFairValueDisclosure"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations" xml:lang="en-US">Subordinated Debt Obligations, Fair Value Disclosure</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations" xml:lang="en-US">Junior subordinated debentures, Fair Value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FairValueAccountingTextualAbstract" xlink:label="loc_K196K48I138K_sfst_FairValueAccountingTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FairValueAccountingTextualAbstract" xml:lang="en-US">Fair Value Accounting (Textual) [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_FairValueAccountingTextualAbstract" xml:lang="en-US">Fair Value Accounting (Textual)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FairValueAccountingTextualAbstract" xlink:to="lab_M318M60K350M_sfst_FairValueAccountingTextualAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_PercentageOfLoansCollateralByRealEstate" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_PercentageOfLoansCollateralByRealEstate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_PercentageOfLoansCollateralByRealEstate" xml:lang="en-US">Percentage Of Loans Collateral By Real Estate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_PercentageOfLoansCollateralByRealEstate" xml:lang="en-US">Percentage of loans collateralize by real estate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_PercentageOfLoansCollateralByRealEstate" xml:lang="en-US">Percentage of company's loans collateral by real estate.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_PercentageOfLoansCollateralByRealEstate" xlink:to="lab_0J8HJH6K61II107LH824_sfst_PercentageOfLoansCollateralByRealEstate"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ComponentsOfEarningsPerShareAbstract" xlink:label="loc_K196K48I138K_sfst_ComponentsOfEarningsPerShareAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_ComponentsOfEarningsPerShareAbstract" xml:lang="en-US">Components Of Earnings Per Share [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_ComponentsOfEarningsPerShareAbstract" xml:lang="en-US">Schedule of earnings per share reconciliation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_ComponentsOfEarningsPerShareAbstract" xml:lang="en-US">Components of earnings per share.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_ComponentsOfEarningsPerShareAbstract" xlink:to="lab_M318M60K350M_sfst_ComponentsOfEarningsPerShareAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NumeratorOfEarningsPerShareAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_NumeratorOfEarningsPerShareAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumeratorOfEarningsPerShareAbstract" xml:lang="en-US">Numerator Of Earnings Per Share [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumeratorOfEarningsPerShareAbstract" xml:lang="en-US">Numerator:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumeratorOfEarningsPerShareAbstract" xml:lang="en-US">Numerator of earnings per share</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_NumeratorOfEarningsPerShareAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_NumeratorOfEarningsPerShareAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_K196K48I138K_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xml:lang="en-US">Net Income Available To Common Shareholders (1)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xml:lang="en-US">Net income (loss) to common shareholders</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xml:lang="en-US">Net income available to common shareholders</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xml:lang="en-US">Net income available to common shareholders</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="lab_M318M60K350M_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DenominatorOfEarningsPerShareAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_DenominatorOfEarningsPerShareAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DenominatorOfEarningsPerShareAbstract" xml:lang="en-US">Denominator Of Earnings Per Share [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DenominatorOfEarningsPerShareAbstract" xml:lang="en-US">Denominator:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DenominatorOfEarningsPerShareAbstract" xml:lang="en-US">Denominator of earnings per share.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_DenominatorOfEarningsPerShareAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_DenominatorOfEarningsPerShareAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_K196K48I138K_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xml:lang="en-US">Weighted Average Number Diluted Shares Outstanding Adjustment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xml:lang="en-US">Common stock equivalents</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:to="lab_M318M60K350M_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_EarningsPerShareBasicAndDilutedAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EarningsPerShareBasicAndDilutedAbstract" xml:lang="en-US">Earnings Per Share, Basic and Diluted [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EarningsPerShareBasicAndDilutedAbstract" xml:lang="en-US">Earnings per common share:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_EarningsPerShareBasicAndDilutedAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_EarningsPerCommonShareTextualAbstract" xlink:label="loc_K196K48I138K_sfst_EarningsPerCommonShareTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_EarningsPerCommonShareTextualAbstract" xml:lang="en-US">Earnings Per Common Share (Textual) [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_EarningsPerCommonShareTextualAbstract" xml:lang="en-US">Earnings Per Common Share (Textual)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_EarningsPerCommonShareTextualAbstract" xlink:to="lab_M318M60K350M_sfst_EarningsPerCommonShareTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xml:lang="en-US">Antidilutive Securities Excluded From Computation Of Earnings Per Share, Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xml:lang="en-US">Antidilutive securities excluded from computation of earnings per share, amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:label="loc_K196K48I138K_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xml:lang="en-US">Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xml:lang="en-US">Summary of estimated future minimum lease payments under noncancelable operating leases</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="lab_M318M60K350M_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xml:lang="en-US">Operating Leases, Future Minimum Payments Due, Next Twelve Months</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xml:lang="en-US">2018</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_K196K48I138K_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due In Two Years</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xml:lang="en-US">2019</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="lab_M318M60K350M_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due In Three Years</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xml:lang="en-US">2020</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_K196K48I138K_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due In Four Years</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xml:lang="en-US">2021</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="lab_M318M60K350M_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due In Five Years</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xml:lang="en-US">2022</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_K196K48I138K_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due Thereafter</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xml:lang="en-US">Thereafter</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:to="lab_M318M60K350M_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OperatingLeasesFutureMinimumPaymentsDue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xml:lang="en-US">Operating Leases, Future Minimum Payments Due, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xml:lang="en-US">Operating Leases, Future Minimum Payments Due, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OperatingLeasesFutureMinimumPaymentsDue"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_CommitmentsAndContingenciesTable" xlink:label="loc_K196K48I138K_sfst_CommitmentsAndContingenciesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_CommitmentsAndContingenciesTable" xml:lang="en-US">Commitments and Contingencies [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_CommitmentsAndContingenciesTable" xml:lang="en-US">Commitments and Contingencies [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_CommitmentsAndContingenciesTable" xml:lang="en-US">Commitments and Contingencies.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_CommitmentsAndContingenciesTable" xlink:to="lab_M318M60K350M_sfst_CommitmentsAndContingenciesTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TitleOfIndividualAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TitleOfIndividualAxis" xml:lang="en-US">Title of Individual [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TitleOfIndividualAxis" xml:lang="en-US">Deferred Bonus and Profit Sharing Plan by Title of Individual [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_TitleOfIndividualAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TitleOfIndividualAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_K196K48I138K_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xml:lang="en-US">Title Of Individual With Relationship To Entity [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xml:lang="en-US">Title of Individual with Relationship to Entity [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="lab_M318M60K350M_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ChiefExecutiveOfficerMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ChiefExecutiveOfficerMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ChiefExecutiveOfficerMember" xml:lang="en-US">Chief Executive Officer [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ChiefExecutiveOfficerMember" xml:lang="en-US">Chief Executive Officer [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ChiefExecutiveOfficerMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ChiefExecutiveOfficerMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PresidentMember" xlink:label="loc_K196K48I138K_us-gaap_PresidentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PresidentMember" xml:lang="en-US">President [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_PresidentMember" xml:lang="en-US">President [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PresidentMember" xlink:to="lab_M318M60K350M_us-gaap_PresidentMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VicePresidentMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_VicePresidentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_VicePresidentMember" xml:lang="en-US">Vice President [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_VicePresidentMember" xml:lang="en-US">Executive Vice President [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_VicePresidentMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_VicePresidentMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnderlyingAssetClassAxis" xlink:label="loc_K196K48I138K_us-gaap_UnderlyingAssetClassAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_UnderlyingAssetClassAxis" xml:lang="en-US">Underlying Asset Class [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_UnderlyingAssetClassAxis" xlink:to="lab_M318M60K350M_us-gaap_UnderlyingAssetClassAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnderlyingAssetClassDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_UnderlyingAssetClassDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_UnderlyingAssetClassDomain" xml:lang="en-US">Underlying Asset Class [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_UnderlyingAssetClassDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_UnderlyingAssetClassDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConstructionContractsMember" xlink:label="loc_K196K48I138K_us-gaap_ConstructionContractsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ConstructionContractsMember" xml:lang="en-US">Construction Contracts [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ConstructionContractsMember" xlink:to="lab_M318M60K350M_us-gaap_ConstructionContractsMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_CommitmentsAndContingenciesLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_CommitmentsAndContingenciesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_CommitmentsAndContingenciesLineItems" xml:lang="en-US">Commitments and Contingencies [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_CommitmentsAndContingenciesLineItems" xml:lang="en-US">Commitments and Contingencies [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_CommitmentsAndContingenciesLineItems" xml:lang="en-US">Commitments and Contingencies.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_CommitmentsAndContingenciesLineItems" xlink:to="lab_0J8HJH6K61II107LH824_sfst_CommitmentsAndContingenciesLineItems"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_CommitmentsAndContingenciesTextualAbstract" xlink:label="loc_K196K48I138K_sfst_CommitmentsAndContingenciesTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_CommitmentsAndContingenciesTextualAbstract" xml:lang="en-US">Commitments and Contingencies (Textual) [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_CommitmentsAndContingenciesTextualAbstract" xml:lang="en-US">Commitments and Contingencies (Textual)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_CommitmentsAndContingenciesTextualAbstract" xlink:to="lab_M318M60K350M_sfst_CommitmentsAndContingenciesTextualAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_PeriodOfEmploymentAgreement" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_PeriodOfEmploymentAgreement" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_PeriodOfEmploymentAgreement" xml:lang="en-US">Period Of Employment Agreement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_PeriodOfEmploymentAgreement" xml:lang="en-US">Period of employment agreement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_PeriodOfEmploymentAgreement" xml:lang="en-US">Period of Employment agreement.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_PeriodOfEmploymentAgreement" xlink:to="lab_0J8HJH6K61II107LH824_sfst_PeriodOfEmploymentAgreement"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NumberOfExecutiveOfficers" xlink:label="loc_K196K48I138K_sfst_NumberOfExecutiveOfficers" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_NumberOfExecutiveOfficers" xml:lang="en-US">Number Of Executive Officers</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_NumberOfExecutiveOfficers" xml:lang="en-US">Number of executive officers</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_NumberOfExecutiveOfficers" xml:lang="en-US">Number of executive officers.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_NumberOfExecutiveOfficers" xlink:to="lab_M318M60K350M_sfst_NumberOfExecutiveOfficers"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_EmploymentAgreementDescription" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_EmploymentAgreementDescription" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_EmploymentAgreementDescription" xml:lang="en-US">Employment Agreement Description</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_EmploymentAgreementDescription" xml:lang="en-US">Description of employment agreement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_EmploymentAgreementDescription" xml:lang="en-US">Employment agreement description.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_EmploymentAgreementDescription" xlink:to="lab_0J8HJH6K61II107LH824_sfst_EmploymentAgreementDescription"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_EstimatedAggregateCommitment" xlink:label="loc_K196K48I138K_sfst_EstimatedAggregateCommitment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_EstimatedAggregateCommitment" xml:lang="en-US">Estimated Aggregate Commitment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_EstimatedAggregateCommitment" xml:lang="en-US">Estimated aggregate salary commitment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_EstimatedAggregateCommitment" xml:lang="en-US">Estimated aggregate commitment.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_EstimatedAggregateCommitment" xlink:to="lab_M318M60K350M_sfst_EstimatedAggregateCommitment"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_AgreementWithDataProcessorExpired" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_AgreementWithDataProcessorExpired" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AgreementWithDataProcessorExpired" xml:lang="en-US">Agreement With Data Processor Expired</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AgreementWithDataProcessorExpired" xml:lang="en-US">Agreement with data processor expire date</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AgreementWithDataProcessorExpired" xml:lang="en-US">Agreement with data processor expired.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_AgreementWithDataProcessorExpired" xlink:to="lab_0J8HJH6K61II107LH824_sfst_AgreementWithDataProcessorExpired"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_PeriodicChargesUnderAgreementWithDataProcessor" xlink:label="loc_K196K48I138K_sfst_PeriodicChargesUnderAgreementWithDataProcessor" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_PeriodicChargesUnderAgreementWithDataProcessor" xml:lang="en-US">Periodic Charges Under Agreement With Data Processor</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_PeriodicChargesUnderAgreementWithDataProcessor" xml:lang="en-US">Base monthly charges under agreement with data processor</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_PeriodicChargesUnderAgreementWithDataProcessor" xml:lang="en-US">Periodic charges under agreement with data processor.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_PeriodicChargesUnderAgreementWithDataProcessor" xlink:to="lab_M318M60K350M_sfst_PeriodicChargesUnderAgreementWithDataProcessor"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_OperatingLeaseExpiredDate" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_OperatingLeaseExpiredDate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OperatingLeaseExpiredDate" xml:lang="en-US">Operating Lease Expired Date</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OperatingLeaseExpiredDate" xml:lang="en-US">Operating lease expired date</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_OperatingLeaseExpiredDate" xml:lang="en-US">Operating lease expired date.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_OperatingLeaseExpiredDate" xlink:to="lab_0J8HJH6K61II107LH824_sfst_OperatingLeaseExpiredDate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="loc_K196K48I138K_us-gaap_LeaseAndRentalExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LeaseAndRentalExpense" xml:lang="en-US">Operating Leases, Rent Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LeaseAndRentalExpense" xml:lang="en-US">Lease expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LeaseAndRentalExpense" xlink:to="lab_M318M60K350M_us-gaap_LeaseAndRentalExpense"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xml:lang="en-US">Components Of Income Tax Expense (Benefit), Continuing Operations [Abstract]</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="loc_K196K48I138K_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xml:lang="en-US">Current Income Tax Expense (Benefit), Continuing Operations [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xml:lang="en-US">Current income taxes:</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CurrentFederalTaxExpenseBenefit" xml:lang="en-US">Federal</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="loc_K196K48I138K_us-gaap_CurrentStateAndLocalTaxExpenseBenefit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xml:lang="en-US">Current State and Local Tax Expense (Benefit)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xml:lang="en-US">State</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:to="lab_M318M60K350M_us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CurrentIncomeTaxExpenseBenefit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CurrentIncomeTaxExpenseBenefit" xml:lang="en-US">Current Income Tax Expense (Benefit), Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CurrentIncomeTaxExpenseBenefit" xml:lang="en-US">Total current tax expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CurrentIncomeTaxExpenseBenefit" xml:lang="en-US">Total current tax expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_CurrentIncomeTaxExpenseBenefit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_K196K48I138K_us-gaap_DeferredIncomeTaxExpenseBenefit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DeferredIncomeTaxExpenseBenefit" xml:lang="en-US">Deferred Income Tax Expense (Benefit), Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DeferredIncomeTaxExpenseBenefit" xml:lang="en-US">Deferred income tax expense (benefit)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="lab_M318M60K350M_us-gaap_DeferredIncomeTaxExpenseBenefit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" xml:lang="en-US">Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" xml:lang="en-US">Summary of the items that caused recorded income taxes to differ from taxes computed using the statutory tax rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:label="loc_K196K48I138K_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xml:lang="en-US">Income Tax Reconciliation, Income Tax Expense (Benefit), At Federal Statutory Income Tax Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xml:lang="en-US">Tax expense at statutory rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:to="lab_M318M60K350M_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xml:lang="en-US">Income Tax Reconciliation, State and Local Income Taxes</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xml:lang="en-US">Effect of state income taxes, net of federal benefit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationTaxExemptIncome" xlink:label="loc_K196K48I138K_us-gaap_IncomeTaxReconciliationTaxExemptIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxReconciliationTaxExemptIncome" xml:lang="en-US">Income Tax Reconciliation, Tax Exempt Income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxReconciliationTaxExemptIncome" xml:lang="en-US">Exempt income and other</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxReconciliationTaxExemptIncome" xml:lang="en-US">Exempt income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_IncomeTaxReconciliationTaxExemptIncome" xlink:to="lab_M318M60K350M_us-gaap_IncomeTaxReconciliationTaxExemptIncome"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate" xml:lang="en-US">Provisional net tax expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate" xml:lang="en-US">Effect of change in federal tax rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:label="loc_K196K48I138K_us-gaap_IncomeTaxReconciliationOtherAdjustments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxReconciliationOtherAdjustments" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Other Adjustments, Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxReconciliationOtherAdjustments" xml:lang="en-US">Other</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxReconciliationOtherAdjustments" xml:lang="en-US">Other</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:to="lab_M318M60K350M_us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xml:lang="en-US">Components Of Deferred Tax Assets and Liabilities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xml:lang="en-US">Components of the deferred tax assets and liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:label="loc_K196K48I138K_us-gaap_ComponentsOfDeferredTaxAssetsAbstract" />
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xml:lang="en-US">Deferred tax assets:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="lab_M318M60K350M_us-gaap_ComponentsOfDeferredTaxAssetsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses" xml:lang="en-US">Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision For Loan Losses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses" xml:lang="en-US">Allowance for loan losses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross" xlink:label="loc_K196K48I138K_us-gaap_DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross" />
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross" xml:lang="en-US">Unrealized loss on securities available for sale</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross" xlink:to="lab_M318M60K350M_us-gaap_DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DeferredTaxAssetsNetDeferredLoanFees" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_DeferredTaxAssetsNetDeferredLoanFees" />
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DeferredTaxAssetsNetDeferredLoanFees" xml:lang="en-US">Net deferred loan fees</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DeferredTaxAssetsNetDeferredLoanFees" xml:lang="en-US">Deferred tax assets net deferred loan fees.</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits" xml:lang="en-US">Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits" xml:lang="en-US">Deferred compensation</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DeferredTaxAssetSaleOfRealEstateOwned" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_DeferredTaxAssetSaleOfRealEstateOwned" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DeferredTaxAssetSaleOfRealEstateOwned" xml:lang="en-US">Deferred Tax Asset Sale Of Real Estate Owned</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DeferredTaxAssetSaleOfRealEstateOwned" xml:lang="en-US">Sale of real estate owned</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DeferredTaxAssetSaleOfRealEstateOwned" xml:lang="en-US">Deferred tax asset Sale of real estate owned.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_DeferredTaxAssetSaleOfRealEstateOwned" xlink:to="lab_0J8HJH6K61II107LH824_sfst_DeferredTaxAssetSaleOfRealEstateOwned"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:label="loc_K196K48I138K_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xml:lang="en-US">Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xml:lang="en-US">Accrued expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xml:lang="en-US">Accrued expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:to="lab_M318M60K350M_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DeferredTaxAssetsOther" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DeferredTaxAssetsOther" xml:lang="en-US">Deferred Tax Assets, Other</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DeferredTaxAssetsOther" xml:lang="en-US">Other</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DeferredTaxAssetsOther" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DeferredTaxAssetsOther"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="loc_K196K48I138K_us-gaap_DeferredTaxAssetsGross" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DeferredTaxAssetsGross" xml:lang="en-US">Deferred Tax Assets, Gross, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DeferredTaxAssetsGross" xml:lang="en-US">Deferred Tax Assets, Gross, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_DeferredTaxAssetsGross" xml:lang="en-US">Deferred tax assets, gross</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DeferredTaxAssetsGross" xlink:to="lab_M318M60K350M_us-gaap_DeferredTaxAssetsGross"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xml:lang="en-US">Components Of Deferred Tax Liabilities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xml:lang="en-US">Deferred tax liabilities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="loc_K196K48I138K_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xml:lang="en-US">Deferred Tax Liabilities, Property, Plant and Equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xml:lang="en-US">Property and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:to="lab_M318M60K350M_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DeferredTaxLiabilitiesHedgingTransactions" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_DeferredTaxLiabilitiesHedgingTransactions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DeferredTaxLiabilitiesHedgingTransactions" xml:lang="en-US">Deferred Tax Liabilities Hedging Transactions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DeferredTaxLiabilitiesHedgingTransactions" xml:lang="en-US">Hedging transactions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DeferredTaxLiabilitiesHedgingTransactions" xml:lang="en-US">Deferred tax liabilities hedging transactions.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_DeferredTaxLiabilitiesHedgingTransactions" xlink:to="lab_0J8HJH6K61II107LH824_sfst_DeferredTaxLiabilitiesHedgingTransactions"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="loc_K196K48I138K_us-gaap_DeferredTaxLiabilitiesOther" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DeferredTaxLiabilitiesOther" xml:lang="en-US">Deferred Tax Liabilities, Other</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DeferredTaxLiabilitiesOther" xml:lang="en-US">Other</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DeferredTaxLiabilitiesOther" xlink:to="lab_M318M60K350M_us-gaap_DeferredTaxLiabilitiesOther"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DeferredIncomeTaxLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DeferredIncomeTaxLiabilities" xml:lang="en-US">Deferred Tax Liabilities, Gross</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DeferredIncomeTaxLiabilities" xml:lang="en-US">Deferred Tax Liabilities, Gross</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DeferredIncomeTaxLiabilities" xml:lang="en-US">Deferred tax liabilities, gross</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DeferredIncomeTaxLiabilities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DeferredIncomeTaxLiabilities"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_IncomeTaxesTextualAbstract" xlink:label="loc_K196K48I138K_sfst_IncomeTaxesTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_IncomeTaxesTextualAbstract" xml:lang="en-US">Income Taxes Textual [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_sfst_IncomeTaxesTextualAbstract" xml:lang="en-US">Income Taxes (Textual)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_IncomeTaxesTextualAbstract" xlink:to="lab_M318M60K350M_sfst_IncomeTaxesTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xml:lang="en-US">Changes in corporate income tax rates</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xml:lang="en-US">Percentage of federal statutory income tax rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xml:lang="en-US">Schedule Of Related Party Transactions, By Related Party [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xml:lang="en-US">Schedule of Related Party Transactions, by Related Party [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_DirectorsAffiliatesAndExecutiveOfficersMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_DirectorsAffiliatesAndExecutiveOfficersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DirectorsAffiliatesAndExecutiveOfficersMember" xml:lang="en-US">Directors Affiliates and Executive Officers [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DirectorsAffiliatesAndExecutiveOfficersMember" xml:lang="en-US">Officers and directors [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DirectorsAffiliatesAndExecutiveOfficersMember" xml:lang="en-US">Directors and executive officers, their affiliates [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DirectorsAffiliatesAndExecutiveOfficersMember" xml:lang="en-US">Directors, including their affiliates and executive officers.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_0J8HJH6K61II107LH824_sfst_DirectorsAffiliatesAndExecutiveOfficersMember" xml:lang="en-US">Executive officer and directors [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_DirectorsAffiliatesAndExecutiveOfficersMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_DirectorsAffiliatesAndExecutiveOfficersMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_K196K48I138K_us-gaap_RelatedPartyTransactionLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_RelatedPartyTransactionLineItems" xml:lang="en-US">Related Party Transaction [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_RelatedPartyTransactionLineItems" xml:lang="en-US">Related Party Transaction [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_RelatedPartyTransactionLineItems" xlink:to="lab_M318M60K350M_us-gaap_RelatedPartyTransactionLineItems"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SummaryOfLoanTransactionsAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_SummaryOfLoanTransactionsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SummaryOfLoanTransactionsAbstract" xml:lang="en-US">Summary Of Loan Transactions [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SummaryOfLoanTransactionsAbstract" xml:lang="en-US">Summary of loan transactions with directors, including their affiliates and executive officers</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_SummaryOfLoanTransactionsAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_SummaryOfLoanTransactionsAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_LoanTransactionsWithRelatedParty" xlink:label="loc_K196K48I138K_sfst_LoanTransactionsWithRelatedParty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_LoanTransactionsWithRelatedParty" xml:lang="en-US">Loan Transactions With Related Party</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_LoanTransactionsWithRelatedParty" xml:lang="en-US">Balance, beginning of year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_M318M60K350M_sfst_LoanTransactionsWithRelatedParty" xml:lang="en-US">Balance, beginning of year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_M318M60K350M_sfst_LoanTransactionsWithRelatedParty" xml:lang="en-US">Balance, end of year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_LoanTransactionsWithRelatedParty" xml:lang="en-US">Loan transactions with related party.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_LoanTransactionsWithRelatedParty" xlink:to="lab_M318M60K350M_sfst_LoanTransactionsWithRelatedParty"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NewLoans" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_NewLoans" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NewLoans" xml:lang="en-US">New Loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NewLoans" xml:lang="en-US">New loans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NewLoans" xml:lang="en-US">New loans.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_NewLoans" xlink:to="lab_0J8HJH6K61II107LH824_sfst_NewLoans"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_LoanPaymentsRelatedParty" xlink:label="loc_K196K48I138K_sfst_LoanPaymentsRelatedParty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_LoanPaymentsRelatedParty" xml:lang="en-US">Loan Payments Related Party</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_LoanPaymentsRelatedParty" xml:lang="en-US">Less loan payments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_LoanPaymentsRelatedParty" xml:lang="en-US">Loan payments by related party.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_LoanPaymentsRelatedParty" xlink:to="lab_M318M60K350M_sfst_LoanPaymentsRelatedParty"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DirectorMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DirectorMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DirectorMember" xml:lang="en-US">Director [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DirectorMember" xml:lang="en-US">Director [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DirectorMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DirectorMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_RelatedPartyTransactionsTextualAbstract" xlink:label="loc_K196K48I138K_sfst_RelatedPartyTransactionsTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_RelatedPartyTransactionsTextualAbstract" xml:lang="en-US">Related Party Transactions (Textual) [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_RelatedPartyTransactionsTextualAbstract" xml:lang="en-US">Related Party Transactions (Textual)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_RelatedPartyTransactionsTextualAbstract" xlink:to="lab_M318M60K350M_sfst_RelatedPartyTransactionsTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyDepositLiabilities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_RelatedPartyDepositLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RelatedPartyDepositLiabilities" xml:lang="en-US">Related Party Deposit Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RelatedPartyDepositLiabilities" xml:lang="en-US">Deposits by related parties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_RelatedPartyDepositLiabilities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_RelatedPartyDepositLiabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesRentExpenseNet" xlink:label="loc_K196K48I138K_us-gaap_OperatingLeasesRentExpenseNet" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_OperatingLeasesRentExpenseNet" xml:lang="en-US">Operating Leases, Rent Expense, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_OperatingLeasesRentExpenseNet" xml:lang="en-US">Monthly payments of land lease by Company</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_OperatingLeasesRentExpenseNet" xlink:to="lab_M318M60K350M_us-gaap_OperatingLeasesRentExpenseNet"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_PropertyManagementServicesExpense" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_PropertyManagementServicesExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_PropertyManagementServicesExpense" xml:lang="en-US">Property Management Services Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_PropertyManagementServicesExpense" xml:lang="en-US">Property management services expense for Bank</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_PropertyManagementServicesExpense" xml:lang="en-US">The amount of expense derived from property management services.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_PropertyManagementServicesExpense" xlink:to="lab_0J8HJH6K61II107LH824_sfst_PropertyManagementServicesExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetailExpenses" xlink:label="loc_K196K48I138K_us-gaap_RetailExpenses" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_RetailExpenses" xml:lang="en-US">Retail Expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_RetailExpenses" xml:lang="en-US">Payment for employment recruiting services</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_RetailExpenses" xml:lang="en-US">Signage purchases for retail office</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_RetailExpenses" xlink:to="lab_M318M60K350M_us-gaap_RetailExpenses"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_NumberOfOffices" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_NumberOfOffices" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfOffices" xml:lang="en-US">Number Of Offices</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfOffices" xml:lang="en-US">Number of offices</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_NumberOfOffices" xml:lang="en-US">Number of offices.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_NumberOfOffices" xlink:to="lab_0J8HJH6K61II107LH824_sfst_NumberOfOffices"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsToExtendCreditMember" xlink:label="loc_K196K48I138K_us-gaap_CommitmentsToExtendCreditMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CommitmentsToExtendCreditMember" xml:lang="en-US">Commitments To Extend Credit [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_CommitmentsToExtendCreditMember" xml:lang="en-US">Unfunded commitments to extend credit [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_CommitmentsToExtendCreditMember" xlink:to="lab_M318M60K350M_us-gaap_CommitmentsToExtendCreditMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" xml:lang="en-US">Fair Value, Off-Balance Sheet Risks, Disclosure Information [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" xml:lang="en-US">Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_FinancialInstrumentsWithOffBalanceSheetRiskTextualAbstract" xlink:label="loc_K196K48I138K_sfst_FinancialInstrumentsWithOffBalanceSheetRiskTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_FinancialInstrumentsWithOffBalanceSheetRiskTextualAbstract" xml:lang="en-US">Financial Instruments With Off Balance Sheet Risk (Textual) [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_FinancialInstrumentsWithOffBalanceSheetRiskTextualAbstract" xml:lang="en-US">Financial instruments with off-balance sheet risk (Textual)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_FinancialInstrumentsWithOffBalanceSheetRiskTextualAbstract" xlink:to="lab_M318M60K350M_sfst_FinancialInstrumentsWithOffBalanceSheetRiskTextualAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_UnfundedCommitmentsToExtendCredit" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_UnfundedCommitmentsToExtendCredit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_UnfundedCommitmentsToExtendCredit" xml:lang="en-US">Unfunded Commitments To Extend Credit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_UnfundedCommitmentsToExtendCredit" xml:lang="en-US">Amount of unfunded commitments to extend credit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_UnfundedCommitmentsToExtendCredit" xml:lang="en-US">Unfunded commitments to extend credit.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_UnfundedCommitmentsToExtendCredit" xlink:to="lab_0J8HJH6K61II107LH824_sfst_UnfundedCommitmentsToExtendCredit"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_UnfundedCommitmentsToExtendCreditAtFixedRate" xlink:label="loc_K196K48I138K_sfst_UnfundedCommitmentsToExtendCreditAtFixedRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_UnfundedCommitmentsToExtendCreditAtFixedRate" xml:lang="en-US">Unfunded Commitments To Extend Credit At Fixed Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_UnfundedCommitmentsToExtendCreditAtFixedRate" xml:lang="en-US">Unfunded commitments to extend credit at fixed rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_UnfundedCommitmentsToExtendCreditAtFixedRate" xml:lang="en-US">Unfunded commitments to extend credit at fixed rate.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_UnfundedCommitmentsToExtendCreditAtFixedRate" xlink:to="lab_M318M60K350M_sfst_UnfundedCommitmentsToExtendCreditAtFixedRate"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_UnfundedCommitmentsToExtendCreditAtVariableRate" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_UnfundedCommitmentsToExtendCreditAtVariableRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_UnfundedCommitmentsToExtendCreditAtVariableRate" xml:lang="en-US">Unfunded Commitments To Extend Credit At Variable Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_UnfundedCommitmentsToExtendCreditAtVariableRate" xml:lang="en-US">Unfunded commitments to extend credit at variable rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_UnfundedCommitmentsToExtendCreditAtVariableRate" xml:lang="en-US">Unfunded commitments to extend credit at variable rate.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_UnfundedCommitmentsToExtendCreditAtVariableRate" xlink:to="lab_0J8HJH6K61II107LH824_sfst_UnfundedCommitmentsToExtendCreditAtVariableRate"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_CommitmentUnderLettersOfCredit" xlink:label="loc_K196K48I138K_sfst_CommitmentUnderLettersOfCredit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_CommitmentUnderLettersOfCredit" xml:lang="en-US">Commitment Under Letters Of Credit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_CommitmentUnderLettersOfCredit" xml:lang="en-US">Commitment under letters of credit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_CommitmentUnderLettersOfCredit" xml:lang="en-US">Commitment under letters of credit.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_CommitmentUnderLettersOfCredit" xlink:to="lab_M318M60K350M_sfst_CommitmentUnderLettersOfCredit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xml:lang="en-US">Schedule Of Defined Benefit Plans Disclosures [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xml:lang="en-US">Schedule of Defined Benefit Plans Disclosures [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetirementPlanTypeAxis" xlink:label="loc_K196K48I138K_us-gaap_RetirementPlanTypeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_RetirementPlanTypeAxis" xml:lang="en-US">Retirement Plan Type [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_RetirementPlanTypeAxis" xml:lang="en-US">Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_RetirementPlanTypeAxis" xlink:to="lab_M318M60K350M_us-gaap_RetirementPlanTypeAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetirementPlanTypeDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_RetirementPlanTypeDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RetirementPlanTypeDomain" xml:lang="en-US">Retirement Plan Type [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RetirementPlanTypeDomain" xml:lang="en-US">Defined Benefit Plans and Other Postretirement Benefit Plans [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_RetirementPlanTypeDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_RetirementPlanTypeDomain"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ProfitSharingAndFourHundredOneKPlanMember" xlink:label="loc_K196K48I138K_sfst_ProfitSharingAndFourHundredOneKPlanMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_ProfitSharingAndFourHundredOneKPlanMember" xml:lang="en-US">Profit Sharing and Four Hundred One K Plan [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_ProfitSharingAndFourHundredOneKPlanMember" xml:lang="en-US">Profit Sharing and 401(k) Plan for eligible employees [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_ProfitSharingAndFourHundredOneKPlanMember" xml:lang="en-US">Profit sharing and 401(k) plan.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_ProfitSharingAndFourHundredOneKPlanMember" xlink:to="lab_M318M60K350M_sfst_ProfitSharingAndFourHundredOneKPlanMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SupplementalExecutiveRetirementPlanMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_SupplementalExecutiveRetirementPlanMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SupplementalExecutiveRetirementPlanMember" xml:lang="en-US">Supplemental Executive Retirement Plan [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SupplementalExecutiveRetirementPlanMember" xml:lang="en-US">Supplemental Executive Retirement Plan (nonqualified deferred compensation plan) [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SupplementalExecutiveRetirementPlanMember" xml:lang="en-US">A nonqualified deferred compensation plan in the form of a Supplemental Executive Retirement Plan (SERP).</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_SupplementalExecutiveRetirementPlanMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_SupplementalExecutiveRetirementPlanMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="loc_K196K48I138K_us-gaap_DefinedBenefitPlanDisclosureLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DefinedBenefitPlanDisclosureLineItems" xml:lang="en-US">Defined Benefit Plan Disclosure [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DefinedBenefitPlanDisclosureLineItems" xml:lang="en-US">Defined Benefit Plan Disclosure [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:to="lab_M318M60K350M_us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_EmployeeBenefitPlanTextualAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_EmployeeBenefitPlanTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_EmployeeBenefitPlanTextualAbstract" xml:lang="en-US">Employee Benefit Plan (Textual) [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_EmployeeBenefitPlanTextualAbstract" xml:lang="en-US">Employee Benefit Plan (Textual)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_EmployeeBenefitPlanTextualAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_EmployeeBenefitPlanTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_K196K48I138K_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xml:lang="en-US">Defined Benefit Plan, Net Periodic Benefit Cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xml:lang="en-US">Defined benefit plan, annual cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:to="lab_M318M60K350M_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedEmployeeBenefitsCurrentAndNoncurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AccruedEmployeeBenefitsCurrentAndNoncurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AccruedEmployeeBenefitsCurrentAndNoncurrent" xml:lang="en-US">Accrued Employee Benefits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AccruedEmployeeBenefitsCurrentAndNoncurrent" xml:lang="en-US">Accrued benefit obligation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_AccruedEmployeeBenefitsCurrentAndNoncurrent" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AccruedEmployeeBenefitsCurrentAndNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockOptionPlanExpense" xlink:label="loc_K196K48I138K_us-gaap_StockOptionPlanExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_StockOptionPlanExpense" xml:lang="en-US">Stock or Unit Option Plan Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_StockOptionPlanExpense" xml:lang="en-US">Stock option expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_StockOptionPlanExpense" xlink:to="lab_M318M60K350M_us-gaap_StockOptionPlanExpense"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_AmortizationOfDeferredCompensationOnRestrictedStock" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_AmortizationOfDeferredCompensationOnRestrictedStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AmortizationOfDeferredCompensationOnRestrictedStock" xml:lang="en-US">Amortization Of Deferred Compensation On Restricted Stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AmortizationOfDeferredCompensationOnRestrictedStock" xml:lang="en-US">Restricted stock grant expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AmortizationOfDeferredCompensationOnRestrictedStock" xml:lang="en-US">Amortization of deferred compensation on restricted stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AmortizationOfDeferredCompensationOnRestrictedStock" xml:lang="en-US">Represents the value for amortization of deferred compensation on restricted stock.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AmortizationOfDeferredCompensationOnRestrictedStock" xml:lang="en-US">Restricted stock grant expense</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeBenefitsAndShareBasedCompensation" xlink:label="loc_K196K48I138K_us-gaap_EmployeeBenefitsAndShareBasedCompensation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_EmployeeBenefitsAndShareBasedCompensation" xml:lang="en-US">Employee Benefits and Share-based Compensation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_EmployeeBenefitsAndShareBasedCompensation" xml:lang="en-US">Total stock-based compensation expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_EmployeeBenefitsAndShareBasedCompensation" xlink:to="lab_M318M60K350M_us-gaap_EmployeeBenefitsAndShareBasedCompensation"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xml:lang="en-US">Schedule Of Share-Based Compensation Arrangements By Share-Based Payment Award [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_K196K48I138K_us-gaap_EmployeeStockOptionMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_EmployeeStockOptionMember" xml:lang="en-US">Employee Stock Option [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_EmployeeStockOptionMember" xml:lang="en-US">Stock Options [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_EmployeeStockOptionMember" xlink:to="lab_M318M60K350M_us-gaap_EmployeeStockOptionMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SummaryOfStatusOfStockOptionPlanAndChangesAbstract" xlink:label="loc_K196K48I138K_sfst_SummaryOfStatusOfStockOptionPlanAndChangesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_SummaryOfStatusOfStockOptionPlanAndChangesAbstract" xml:lang="en-US">Summary Of Status Of Stock Option Plan and Changes [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_SummaryOfStatusOfStockOptionPlanAndChangesAbstract" xml:lang="en-US">Summary of the status of the stock option plan and changes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_SummaryOfStatusOfStockOptionPlanAndChangesAbstract" xlink:to="lab_M318M60K350M_sfst_SummaryOfStatusOfStockOptionPlanAndChangesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Number, Beginning Balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Shares outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Shares Outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Shares Outstanding at beginning of year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Shares Outstanding at end of year</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="loc_K196K48I138K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xml:lang="en-US">Shares Granted</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:to="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Forfeitures and Expirations In Period, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xml:lang="en-US">Shares Forfeited or expired</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xml:lang="en-US">Shares Forfeited or expired</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_K196K48I138K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Number</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xml:lang="en-US">Shares Options exercisable at year-end</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xml:lang="en-US">Shares options exercisable at year-end</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xml:lang="en-US">Shares Options exercisable at year-end</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xml:lang="en-US">Number of stock option available for grant</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xml:lang="en-US">Shares available for grant</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_K196K48I138K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Weighted average exercise price Outstanding at beginning of year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Weighted average exercise price Outstanding at end of year</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xml:lang="en-US">Share-Based Compensation Arrangements By Share-Based Payment Award, Options, Grants In Period, Weighted Average Exercise Price</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xml:lang="en-US">Weighted average exercise price Granted</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_K196K48I138K_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xml:lang="en-US">Share-Based Compensation Arrangements By Share-Based Payment Award, Options, Exercises In Period, Weighted Average Exercise Price</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xml:lang="en-US">Weighted Average Remaining Contractual Life, Options exercisable at year-end</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Weighted Average Grant Date Fair Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Weighted Average Grant-Date Fair Value Granted</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested In Period, Weighted Average Grant Date Fair Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Weighted Average Grant-Date Fair Value Vested</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_K196K48I138K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Forfeitures, Weighted Average Grant Date Fair Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xml:lang="en-US">Weighted Average Grant-Date Fair Value Forfeited</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:to="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PlanNameAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PlanNameAxis" xml:lang="en-US">Plan Name [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PlanNameAxis" xml:lang="en-US">Plan Name [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PlanNameAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PlanNameAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_K196K48I138K_us-gaap_PlanNameDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PlanNameDomain" xml:lang="en-US">Plan Name [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_PlanNameDomain" xml:lang="en-US">Plan Name [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PlanNameDomain" xlink:to="lab_M318M60K350M_us-gaap_PlanNameDomain"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TwoThousandTenIncentivePlanMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_TwoThousandTenIncentivePlanMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TwoThousandTenIncentivePlanMember" xml:lang="en-US">Two Thousand Ten Incentive Plan [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TwoThousandTenIncentivePlanMember" xml:lang="en-US">2010 Incentive Plan [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TwoThousandTenIncentivePlanMember" xml:lang="en-US">Two thousand ten incentive plan.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_TwoThousandTenIncentivePlanMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_TwoThousandTenIncentivePlanMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_RestrictedStockPlanMember" xlink:label="loc_K196K48I138K_sfst_RestrictedStockPlanMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_RestrictedStockPlanMember" xml:lang="en-US">Restricted Stock Plan [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_RestrictedStockPlanMember" xml:lang="en-US">Restricted Stock Plan [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_RestrictedStockPlanMember" xml:lang="en-US">Restricted stock plan.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_RestrictedStockPlanMember" xlink:to="lab_M318M60K350M_sfst_RestrictedStockPlanMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TwoThousandSixteenEquityIncentivePlanMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_TwoThousandSixteenEquityIncentivePlanMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TwoThousandSixteenEquityIncentivePlanMember" xml:lang="en-US">Two Thousand Sixteen Equity Incentive Plan [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TwoThousandSixteenEquityIncentivePlanMember" xml:lang="en-US">2016 Equity Incentive Plan [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_TwoThousandSixteenEquityIncentivePlanMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_TwoThousandSixteenEquityIncentivePlanMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockCompensationPlanMember" xlink:label="loc_K196K48I138K_us-gaap_StockCompensationPlanMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_StockCompensationPlanMember" xml:lang="en-US">Stock Compensation Plan [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_StockCompensationPlanMember" xml:lang="en-US">Stock Option Plan [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_StockCompensationPlanMember" xlink:to="lab_M318M60K350M_us-gaap_StockCompensationPlanMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_StockBasedCompensationTextualAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_StockBasedCompensationTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_StockBasedCompensationTextualAbstract" xml:lang="en-US">Stock Based Compensation Textual [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_StockBasedCompensationTextualAbstract" xml:lang="en-US">Stock-Based Compensation (Textual)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_StockBasedCompensationTextualAbstract" xml:lang="en-US">Stock-Based Compensation textual.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_StockBasedCompensationTextualAbstract" xlink:to="lab_0J8HJH6K61II107LH824_sfst_StockBasedCompensationTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:label="loc_K196K48I138K_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xml:lang="en-US">Option expiration period</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:to="lab_M318M60K350M_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_AdjustedPercentageOfStockDividends" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_AdjustedPercentageOfStockDividends" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AdjustedPercentageOfStockDividends" xml:lang="en-US">Adjusted Percentage Of Stock Dividends</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AdjustedPercentageOfStockDividends" xml:lang="en-US">Adjusted percentage of stock dividends</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_AdjustedPercentageOfStockDividends" xml:lang="en-US">Adjusted percentage of stock dividends.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_AdjustedPercentageOfStockDividends" xlink:to="lab_0J8HJH6K61II107LH824_sfst_AdjustedPercentageOfStockDividends"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_K196K48I138K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xml:lang="en-US">Number of shares authorized under the restricted stock plan</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:to="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SharesIssuedUnderProvisionOfIssuanceOfSharesOfRestrictedStock" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_SharesIssuedUnderProvisionOfIssuanceOfSharesOfRestrictedStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SharesIssuedUnderProvisionOfIssuanceOfSharesOfRestrictedStock" xml:lang="en-US">Shares Issued Under Provision Of Issuance Of Shares Of Restricted Stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SharesIssuedUnderProvisionOfIssuanceOfSharesOfRestrictedStock" xml:lang="en-US">Shares issued under provision of issuance of shares of restricted stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SharesIssuedUnderProvisionOfIssuanceOfSharesOfRestrictedStock" xml:lang="en-US">Shares issued under provision of issuance of shares of restricted stock.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_SharesIssuedUnderProvisionOfIssuanceOfSharesOfRestrictedStock" xlink:to="lab_0J8HJH6K61II107LH824_sfst_SharesIssuedUnderProvisionOfIssuanceOfSharesOfRestrictedStock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherShareIncreaseDecrease" xlink:label="loc_K196K48I138K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherShareIncreaseDecrease" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherShareIncreaseDecrease" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Other Share Increase (Decrease)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherShareIncreaseDecrease" xml:lang="en-US">Additional shares of common stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherShareIncreaseDecrease" xlink:to="lab_M318M60K350M_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherShareIncreaseDecrease"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Intrinsic Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xml:lang="en-US">Aggregate Intrinsic Value Outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xml:lang="en-US">Aggregate intrinsic value outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xml:lang="en-US">Aggregate Intrinsic Value Outstanding at end of year</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="loc_K196K48I138K_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xml:lang="en-US">Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Intrinsic Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xml:lang="en-US">Aggregate Intrinsic Value Options exercisable at year-end</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xml:lang="en-US">Aggregate intrinsic value options exercisable at year-end</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xml:lang="en-US">Unrecognized compensation cost</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xml:lang="en-US">Recognized weighted average period</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xml:lang="en-US">Fair value of stock option grants</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xlink:label="loc_K196K48I138K_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xml:lang="en-US">Stock Issued During Period, Shares, Restricted Stock Award, Gross</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xml:lang="en-US">Stock to be issuable as restricted stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xlink:to="lab_M318M60K350M_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable" xml:lang="en-US">Schedule Of Compliance With Regulatory Capital Requirements Under Banking Regulations [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable" xml:lang="en-US">Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table]</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidatedEntitiesAxis" xlink:label="loc_K196K48I138K_us-gaap_ConsolidatedEntitiesAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ConsolidatedEntitiesAxis" xml:lang="en-US">Consolidated Entities [Axis]</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidatedEntitiesDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ConsolidatedEntitiesDomain" />
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<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ConsolidatedEntitiesDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ConsolidatedEntitiesDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="loc_K196K48I138K_us-gaap_ParentCompanyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ParentCompanyMember" xml:lang="en-US">Parent Company [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_ParentCompanyMember" xml:lang="en-US">The Company [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ParentCompanyMember" xml:lang="en-US">Southern First Bancshares, Inc. [Member]</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_8H6FHF4I49GG985JF602_dei_LegalEntityAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_dei_LegalEntityAxis" xml:lang="en-US">Legal Entity [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_dei_LegalEntityAxis" xml:lang="en-US">Legal Entity [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_dei_LegalEntityAxis" xlink:to="lab_0J8HJH6K61II107LH824_dei_LegalEntityAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_K196K48I138K_dei_EntityDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_dei_EntityDomain" xml:lang="en-US">Entity [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_dei_EntityDomain" xml:lang="en-US">Entity [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_dei_EntityDomain" xlink:to="lab_M318M60K350M_dei_EntityDomain"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_BankMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_BankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_BankMember" xml:lang="en-US">Bank [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_BankMember" xml:lang="en-US">The Bank [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_BankMember" xml:lang="en-US">Bank Member.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_BankMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_BankMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems" xlink:label="loc_K196K48I138K_us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems" xml:lang="en-US">Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_SummaryOfCapitalAmountsAndRatiosOfBankAndCompanyAndRegulatoryMinimumRequirementsAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_SummaryOfCapitalAmountsAndRatiosOfBankAndCompanyAndRegulatoryMinimumRequirementsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_SummaryOfCapitalAmountsAndRatiosOfBankAndCompanyAndRegulatoryMinimumRequirementsAbstract" xml:lang="en-US">Summary Of Capital Amounts and Ratios Of Bank and Company and Regulatory Minimum Requirements [Abstract]</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_Capital" xml:lang="en-US">Total Capital (to risk weighted assets) Actual</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalToRiskWeightedAssets" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CapitalToRiskWeightedAssets" />
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CapitalToRiskWeightedAssets" xml:lang="en-US">Total Capital (to risk weighted assets) Actual, Ratio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CapitalToRiskWeightedAssets" xml:lang="en-US">Total risk-based ratio</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalRequiredForCapitalAdequacy" xlink:label="loc_K196K48I138K_us-gaap_CapitalRequiredForCapitalAdequacy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CapitalRequiredForCapitalAdequacy" xml:lang="en-US">Capital Required For Capital Adequacy</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xml:lang="en-US">Capital Required For Capital Adequacy To Risk Weighted Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xml:lang="en-US">Total Capital (to risk weighted assets) For capital adequacy purposes minimum, Ratio</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalRequiredToBeWellCapitalized" xlink:label="loc_K196K48I138K_us-gaap_CapitalRequiredToBeWellCapitalized" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CapitalRequiredToBeWellCapitalized" xml:lang="en-US">Capital Required To Be Well Capitalized</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xml:lang="en-US">Capital Required To Be Well Capitalized To Risk Weighted Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xml:lang="en-US">Total Capital (to risk weighted assets) To be well capitalized under prompt corrective action provisions minimum, Ratio</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneRiskBasedCapital" xlink:label="loc_K196K48I138K_us-gaap_TierOneRiskBasedCapital" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_TierOneRiskBasedCapital" xml:lang="en-US">Tier One Risk Based Capital</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_TierOneRiskBasedCapital" xml:lang="en-US">Tier I common ratio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_TierOneRiskBasedCapital" xml:lang="en-US">Tier 1 Capital (to risk weighted assets) Actual</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TierOneRiskBasedCapital" xlink:to="lab_M318M60K350M_us-gaap_TierOneRiskBasedCapital"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" xml:lang="en-US">Tier One Risk Based Capital to Risk Weighted Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" xml:lang="en-US">Tier 1 capital to risk-weighted assets ratio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" xml:lang="en-US">Tier 1 Capital (to risk weighted assets) Actual, Ratio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" xml:lang="en-US">Tier I risk-based ratio</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" xlink:label="loc_K196K48I138K_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" xml:lang="en-US">Tier One Risk Based Capital Required For Capital Adequacy</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" xml:lang="en-US">Tier 1 Capital (to risk weighted assets) For capital adequacy purposes minimum</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy" xlink:to="lab_M318M60K350M_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xml:lang="en-US">Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xml:lang="en-US">Tier 1 Capital (to risk weighted assets) For capital adequacy purposes Minimum, Ratio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xml:lang="en-US">Tier 1 Capital (to risk weighted assets) For capital adequacy purposes minimum, Ratio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xml:lang="en-US">Minimum ratio of Tier 1 capital conservation buffer ratio</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" xlink:label="loc_K196K48I138K_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" xml:lang="en-US">Tier One Risk Based Capital Required To Be Well Capitalized</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" xml:lang="en-US">Tier 1 Capital (to risk weighted assets) To be well capitalized under prompt corrective action provisions minimum</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized" xlink:to="lab_M318M60K350M_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xml:lang="en-US">Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xml:lang="en-US">Tier 1 Capital (to risk weighted assets) To be well capitalized under prompt corrective action provisions minimum, Ratio</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TierOneRiskBasedCommonStock" xlink:label="loc_K196K48I138K_sfst_TierOneRiskBasedCommonStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_TierOneRiskBasedCommonStock" xml:lang="en-US">Tier One Risk Based Common Stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_TierOneRiskBasedCommonStock" xml:lang="en-US">Common Equity Tier 1 Capital (to risk weighted assets) Actual</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_TierOneRiskBasedCommonStock" xml:lang="en-US">Tier 1 Risk Based Common Stock as defined in the regulations.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_TierOneRiskBasedCommonStock" xlink:to="lab_M318M60K350M_sfst_TierOneRiskBasedCommonStock"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TierOneRiskBasedCommonStockToRiskWeightedAssets" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_TierOneRiskBasedCommonStockToRiskWeightedAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TierOneRiskBasedCommonStockToRiskWeightedAssets" xml:lang="en-US">Tier One Risk Based Common Stock To Risk Weighted Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TierOneRiskBasedCommonStockToRiskWeightedAssets" xml:lang="en-US">Common Equity Tier 1 Capital (to risk weighted assets) Actual, Ratio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TierOneRiskBasedCommonStockToRiskWeightedAssets" xml:lang="en-US">Tier 1 Common Stock divided by risk weighted assets as defined by regulations.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_TierOneRiskBasedCommonStockToRiskWeightedAssets" xlink:to="lab_0J8HJH6K61II107LH824_sfst_TierOneRiskBasedCommonStockToRiskWeightedAssets"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TierOneRiskBasedCommonStockRequiredForCapitalAdequacy" xlink:label="loc_K196K48I138K_sfst_TierOneRiskBasedCommonStockRequiredForCapitalAdequacy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_TierOneRiskBasedCommonStockRequiredForCapitalAdequacy" xml:lang="en-US">Tier One Risk Based Common Stock Required For Capital Adequacy</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_sfst_TierOneRiskBasedCommonStockRequiredForCapitalAdequacy" xml:lang="en-US">Common Equity Tier 1 Capital (to risk weighted assets) For capital adequacy purposes minimum</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_TierOneRiskBasedCommonStockRequiredForCapitalAdequacy" xml:lang="en-US">The minimum amount of Tier 1 Risk Based Common Stock required for capital adequacy purposes under the regulatory framework for prompt corrective action.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_TierOneRiskBasedCommonStockRequiredForCapitalAdequacy" xlink:to="lab_M318M60K350M_sfst_TierOneRiskBasedCommonStockRequiredForCapitalAdequacy"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TierOneRiskBasedCommonStockRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_TierOneRiskBasedCommonStockRequiredForCapitalAdequacyToRiskWeightedAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TierOneRiskBasedCommonStockRequiredForCapitalAdequacyToRiskWeightedAssets" xml:lang="en-US">Tier One Risk Based Common Stock Required For Capital Adequacy To Risk Weighted Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TierOneRiskBasedCommonStockRequiredForCapitalAdequacyToRiskWeightedAssets" xml:lang="en-US">Common Equity Tier 1 Capital (to risk weighted assets) For capital adequacy purposes minimum, Ratio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TierOneRiskBasedCommonStockRequiredForCapitalAdequacyToRiskWeightedAssets" xml:lang="en-US">The minimum Tier One Common Stock Ratio (Tier one common stock divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_TierOneRiskBasedCommonStockRequiredForCapitalAdequacyToRiskWeightedAssets" xlink:to="lab_0J8HJH6K61II107LH824_sfst_TierOneRiskBasedCommonStockRequiredForCapitalAdequacyToRiskWeightedAssets"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TierOneRiskBasedCommonStockRequiredToBeWellCapitalized" xlink:label="loc_K196K48I138K_sfst_TierOneRiskBasedCommonStockRequiredToBeWellCapitalized" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_TierOneRiskBasedCommonStockRequiredToBeWellCapitalized" xml:lang="en-US">Tier One Risk Based Common Stock Required To Be Well Capitalized</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_TierOneRiskBasedCommonStockRequiredToBeWellCapitalized" xml:lang="en-US">Common Equity Tier 1 Capital (to risk weighted assets) To be well capitalized under prompt corrective action provisions minimum</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_TierOneRiskBasedCommonStockRequiredToBeWellCapitalized" xml:lang="en-US">The amount of Tier 1 Risk Based Common Stock required to be categorized as well capitalized under the regulatory framework for prompt corrective action.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_TierOneRiskBasedCommonStockRequiredToBeWellCapitalized" xlink:to="lab_M318M60K350M_sfst_TierOneRiskBasedCommonStockRequiredToBeWellCapitalized"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_TierOneRiskBasedCommonStockRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_TierOneRiskBasedCommonStockRequiredToBeWellCapitalizedToRiskWeightedAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TierOneRiskBasedCommonStockRequiredToBeWellCapitalizedToRiskWeightedAssets" xml:lang="en-US">Tier One Risk Based Common Stock Required To Be Well Capitalized To Risk Weighted Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TierOneRiskBasedCommonStockRequiredToBeWellCapitalizedToRiskWeightedAssets" xml:lang="en-US">Common Equity Tier 1 Capital (to risk weighted assets) To be well capitalized under prompt corrective action provisions minimum, Ratio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_TierOneRiskBasedCommonStockRequiredToBeWellCapitalizedToRiskWeightedAssets" xml:lang="en-US">The Tier 1 common stock ratio (Tier 1 common stock divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_TierOneRiskBasedCommonStockRequiredToBeWellCapitalizedToRiskWeightedAssets" xlink:to="lab_0J8HJH6K61II107LH824_sfst_TierOneRiskBasedCommonStockRequiredToBeWellCapitalizedToRiskWeightedAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneLeverageCapital" xlink:label="loc_K196K48I138K_us-gaap_TierOneLeverageCapital" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_TierOneLeverageCapital" xml:lang="en-US">Tier One Leverage Capital</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_TierOneLeverageCapital" xml:lang="en-US">Tier 1 Capital (to average assets) Actual</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TierOneLeverageCapital" xlink:to="lab_M318M60K350M_us-gaap_TierOneLeverageCapital"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneLeverageCapitalToAverageAssets" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TierOneLeverageCapitalToAverageAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneLeverageCapitalToAverageAssets" xml:lang="en-US">Tier One Leverage Capital to Average Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneLeverageCapitalToAverageAssets" xml:lang="en-US">Tier 1 leverage capital ratio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneLeverageCapitalToAverageAssets" xml:lang="en-US">Tier 1 Capital (to average assets), Actual Ratio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneLeverageCapitalToAverageAssets" xml:lang="en-US">Tier I leverage ratio</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_TierOneLeverageCapitalToAverageAssets" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TierOneLeverageCapitalToAverageAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" xlink:label="loc_K196K48I138K_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" xml:lang="en-US">Tier One Leverage Capital Required For Capital Adequacy</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" xml:lang="en-US">Tier 1 Capital (to average assets) For capital adequacy purposes minimum</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy" xlink:to="lab_M318M60K350M_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" xml:lang="en-US">Tier One Leverage Capital Required For Capital Adequacy To Average Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" xml:lang="en-US">Minimum leverage ratio of Tier 1 capital for banking institutions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" xml:lang="en-US">Tier 1 Capital (to average assets) For capital adequacy purposes minimum, Ratio</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized" xlink:label="loc_K196K48I138K_us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized" xml:lang="en-US">Tier One Leverage Capital Required To Be Well Capitalized</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized" xml:lang="en-US">Tier 1 Capital (to average assets) To be well capitalized under prompt corrective action provisions minimum</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" xml:lang="en-US">Tier One Leverage Capital Required to be Well Capitalized to Average Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" xml:lang="en-US">Tier 1 Capital (to average assets) To be well capitalized under prompt corrective action provisions minimum, Ratio</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ConsolidationItemsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ConsolidationItemsAxis" xml:lang="en-US">Consolidation Items [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ConsolidationItemsAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ConsolidationItemsAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_K196K48I138K_us-gaap_ConsolidationItemsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ConsolidationItemsDomain" xml:lang="en-US">Consolidation Items [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ConsolidationItemsDomain" xlink:to="lab_M318M60K350M_us-gaap_ConsolidationItemsDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntersegmentEliminationMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IntersegmentEliminationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IntersegmentEliminationMember" xml:lang="en-US">Intersegment Eliminations [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IntersegmentEliminationMember" xml:lang="en-US">Eliminations [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_IntersegmentEliminationMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IntersegmentEliminationMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_K196K48I138K_us-gaap_StatementBusinessSegmentsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_StatementBusinessSegmentsAxis" xml:lang="en-US">Segments [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_StatementBusinessSegmentsAxis" xlink:to="lab_M318M60K350M_us-gaap_StatementBusinessSegmentsAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_SegmentDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SegmentDomain" xml:lang="en-US">Segments [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_SegmentDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_SegmentDomain"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_CommercialAndRetailBankingMember" xlink:label="loc_K196K48I138K_sfst_CommercialAndRetailBankingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_CommercialAndRetailBankingMember" xml:lang="en-US">Commercial And Retail Banking [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_sfst_CommercialAndRetailBankingMember" xml:lang="en-US">Commercial and Retail Banking [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_CommercialAndRetailBankingMember" xml:lang="en-US">Commercial and reatail banking.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_CommercialAndRetailBankingMember" xlink:to="lab_M318M60K350M_sfst_CommercialAndRetailBankingMember"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_MortgageBankingMember" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_MortgageBankingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_MortgageBankingMember" xml:lang="en-US">Mortgage Banking [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_MortgageBankingMember" xml:lang="en-US">Mortgage Banking [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_MortgageBankingMember" xml:lang="en-US">Mortgage banking.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_sfst_MortgageBankingMember" xlink:to="lab_0J8HJH6K61II107LH824_sfst_MortgageBankingMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CorporateMember" xlink:label="loc_K196K48I138K_us-gaap_CorporateMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CorporateMember" xml:lang="en-US">Corporate Segment [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_CorporateMember" xml:lang="en-US">Corporate [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_CorporateMember" xlink:to="lab_M318M60K350M_us-gaap_CorporateMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_SegmentReportingInformationLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SegmentReportingInformationLineItems" xml:lang="en-US">Segment Reporting Information [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_SegmentReportingInformationLineItems" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_SegmentReportingInformationLineItems"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ReportableSegmentsTextualAbstract" xlink:label="loc_K196K48I138K_sfst_ReportableSegmentsTextualAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_ReportableSegmentsTextualAbstract" xml:lang="en-US">Reportable Segments Textual [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_ReportableSegmentsTextualAbstract" xml:lang="en-US">Reportable Segments (Textual)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_ReportableSegmentsTextualAbstract" xlink:to="lab_M318M60K350M_sfst_ReportableSegmentsTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NumberOfReportableSegments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NumberOfReportableSegments" xml:lang="en-US">Number of Reportable Segments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NumberOfReportableSegments" xml:lang="en-US">Number of segments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_NumberOfReportableSegments" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_NumberOfReportableSegments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfCondensedFinancialStatementsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfCondensedFinancialStatementsTable" xml:lang="en-US">Schedule Of Condensed Financial Statements [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfCondensedFinancialStatementsTable" xml:lang="en-US">Schedule of Condensed Financial Statements [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfCondensedFinancialStatementsTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CondensedFinancialStatementsCaptionsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CondensedFinancialStatementsCaptionsLineItems" xml:lang="en-US">Condensed Financial Statements, Captions [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CondensedFinancialStatementsCaptionsLineItems" xml:lang="en-US">Condensed Financial Statements, Captions [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_CondensedFinancialStatementsCaptionsLineItems"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ScheduleOfCondensedFinancialInformationAbstract" xlink:label="loc_K196K48I138K_sfst_ScheduleOfCondensedFinancialInformationAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_ScheduleOfCondensedFinancialInformationAbstract" xml:lang="en-US">Schedule Of Condensed Financial Information [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_ScheduleOfCondensedFinancialInformationAbstract" xml:lang="en-US">Schedule of condensed financial information</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_ScheduleOfCondensedFinancialInformationAbstract" xlink:to="lab_M318M60K350M_sfst_ScheduleOfCondensedFinancialInformationAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xml:lang="en-US">Investments In and Advance To Affiliates, Subsidiaries, Associates, and Joint Ventures</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xml:lang="en-US">Investment in subsidiaries</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_K196K48I138K_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xml:lang="en-US">Accounts Payable and Accrued Liabilities, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xml:lang="en-US">Accounts payable and accrued expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:to="lab_M318M60K350M_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_RevenuesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RevenuesAbstract" xml:lang="en-US">Revenues [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RevenuesAbstract" xml:lang="en-US">Revenues</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_RevenuesAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_RevenuesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues" xlink:label="loc_K196K48I138K_us-gaap_Revenues" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_Revenues" xml:lang="en-US">Revenues</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_Revenues" xml:lang="en-US">Total revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_Revenues" xml:lang="en-US">Total revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_Revenues" xlink:to="lab_M318M60K350M_us-gaap_Revenues"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OperatingExpensesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OperatingExpensesAbstract" xml:lang="en-US">Operating Expenses [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OperatingExpensesAbstract" xml:lang="en-US">Expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_OperatingExpensesAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OperatingExpensesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherExpenses" xlink:label="loc_K196K48I138K_us-gaap_OtherExpenses" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_OtherExpenses" xml:lang="en-US">Other Expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherExpenses" xml:lang="en-US">Other expenses</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OperatingExpenses" />
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_IncomeLossBeforeEquityInUndistributedNetIncomeOfSubsidiaries" xml:lang="en-US">Loss before equity in undistributed net income of subsidiaries</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_IncomeLossBeforeEquityInUndistributedNetIncomeOfSubsidiaries" xml:lang="en-US">Income (loss) before equity in undistributed net income of subsidiaries.</label>
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<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_EquityInUndistributedNetIncomeOfSubsidiaries" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_EquityInUndistributedNetIncomeOfSubsidiaries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_EquityInUndistributedNetIncomeOfSubsidiaries" xml:lang="en-US">Equity In Undistributed Net Income Of Subsidiaries</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_EquityInUndistributedNetIncomeOfSubsidiaries" xml:lang="en-US">Equity in undistributed net income of subsidiaries.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_EquityInUndistributedNetIncomeOfSubsidiaries" xml:lang="en-US">Equity in undistributed net income of subsidiaries</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="loc_K196K48I138K_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xml:lang="en-US">Operating Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xml:lang="en-US">Operating activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xml:lang="en-US">Increase (Decrease) In Accounts Payable and Accrued Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xml:lang="en-US">Increase (decrease) in accounts payable and accrued expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xml:lang="en-US">Decrease in accounts payable and accrued expenses</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_K196K48I138K_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xml:lang="en-US">Net Cash Provided By Operating Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xml:lang="en-US">Net cash used for operating activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xml:lang="en-US">Net cash provided by operating activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xml:lang="en-US">Investing Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xml:lang="en-US">Investing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_InvestmentInSubsidiaries" xlink:label="loc_K196K48I138K_sfst_InvestmentInSubsidiaries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_sfst_InvestmentInSubsidiaries" xml:lang="en-US">Investment In Subsidiaries</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_sfst_InvestmentInSubsidiaries" xml:lang="en-US">Investment in subsidiaries, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_sfst_InvestmentInSubsidiaries" xml:lang="en-US">Investment in subsidiaries.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_sfst_InvestmentInSubsidiaries" xlink:to="lab_M318M60K350M_sfst_InvestmentInSubsidiaries"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" />
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xml:lang="en-US">Net cash used for investing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xml:lang="en-US">Net cash provided by (used for) investing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xml:lang="en-US">Net cash used for investing activities</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="loc_K196K48I138K_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xml:lang="en-US">Financing Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xml:lang="en-US">Financing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract"/>
<loc xlink:type="locator" xlink:href="sfst-20171231.xsd#sfst_ProceedsFromExerciseOfStockOptionsAndWarrants" xlink:label="loc_8H6FHF4I49GG985JF602_sfst_ProceedsFromExerciseOfStockOptionsAndWarrants" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ProceedsFromExerciseOfStockOptionsAndWarrants" xml:lang="en-US">Proceeds From Exercise Of Stock Options and Warrants</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ProceedsFromExerciseOfStockOptionsAndWarrants" xml:lang="en-US">Proceeds from the exercise of stock options and warrants</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_sfst_ProceedsFromExerciseOfStockOptionsAndWarrants" xml:lang="en-US">The cash inflow associated with the amount received from holders exercising their stock options and warrants.</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xml:lang="en-US">Net Cash Provided By (Used For) Financing Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xml:lang="en-US">Net cash provided by financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xml:lang="en-US">Net cash provided by (used for) financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xml:lang="en-US">Net cash provided by financing activities</label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EffectOfFourthQuarterEventsByTypeAxis" xlink:label="loc_K196K48I138K_us-gaap_EffectOfFourthQuarterEventsByTypeAxis" />
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