<SEC-DOCUMENT>0001437749-20-012008.txt : 20200529
<SEC-HEADER>0001437749-20-012008.hdr.sgml : 20200529
<ACCEPTANCE-DATETIME>20200529113856
ACCESSION NUMBER:		0001437749-20-012008
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20191231
</ITEM>
<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20191231
</ITEM>
</RULE>
FILED AS OF DATE:		20200529
DATE AS OF CHANGE:		20200529

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Otter Tail Corp
		CENTRAL INDEX KEY:			0001466593
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				270383995
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-53713
		FILM NUMBER:		20925292

	BUSINESS ADDRESS:	
		STREET 1:		215 S CASCADE ST
		STREET 2:		PO BOX 496
		CITY:			FERGUS FALLS
		STATE:			MN
		ZIP:			56538-0496
		BUSINESS PHONE:		866-410-8780

	MAIL ADDRESS:	
		STREET 1:		215 S CASCADE ST
		STREET 2:		PO BOX 496
		CITY:			FERGUS FALLS
		STATE:			MN
		ZIP:			56538-0496

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Otter Tail Holding Co
		DATE OF NAME CHANGE:	20090618
</SEC-HEADER>
<DOCUMENT>
<TYPE>SD
<SEQUENCE>1
<FILENAME>ottr20200526_sd.htm
<DESCRIPTION>FORM SD
<TEXT>
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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:18pt;margin:0pt;text-align:center;"><b>UNITED STATES </b></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:18pt;margin:0pt;text-align:center;"><b>SECURITIES AND EXCHANGE COMMISSION</b></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;">Washington, D.C. 20549</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:18pt;margin:0pt;text-align:center;"><b>FORM SD</b></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:18pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:18pt;margin:0pt;text-align:center;"><b>SPECIALIZED DISCLOSURE REPORT</b>&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:18pt;margin:0pt;text-align:center;"><b>OTTER TAIL CORPORATION</b></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;">(Exact name of registrant as specified in its charter)</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

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		<tr>
			<td style="width: 33%; text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 12pt;">Minnesota</td>
			<td style="width: 33%; text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 12pt;">0-53713</td>
			<td style="width: 33%; text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 12pt;">27-0383995</td>
		</tr>
		<tr>
			<td style="text-align: center;">(State or other jurisdiction</td>
			<td style="text-align: center;">(Commission</td>
			<td style="text-align: center;">(I.R.S. Employer</td>
		</tr>
		<tr>
			<td style="text-align: center;">of incorporation)</td>
			<td style="text-align: center;">File Number)</td>
			<td style="text-align: center;">Identification No.)</td>
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</table>

<p style="font-family:'Times New Roman', Times, serif;font-size:12pt;margin:0pt;text-align:left;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:12pt;margin:0pt;text-align:left;">&nbsp;</p>

<table border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: &quot;Times New Roman&quot;, Times, serif; width: 100%;">

		<tr>
			<td style="width: 66%; text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 12pt;">215 South Cascade Street, P.O. Box 496, Fergus Falls, MN</td>
			<td style="width: 33%; text-align: center; font-family: &quot;Times New Roman&quot;; font-size: 12pt;">56538-0496</td>
		</tr>
		<tr>
			<td style="width: 66%; text-align: center;">(Address of principal executive offices)</td>
			<td style="width: 33%; text-align: center;">(Zip Code)</td>
		</tr>

</table>

<p style="font-family:'Times New Roman', Times, serif;font-size:12pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:12pt;margin:0pt;text-align:center;">Jennifer O. Smestad,</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:12pt;margin:0pt;text-align:center;">Vice President, General Counsel and Corporate Secretary</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:12pt;margin:0pt;text-align:center;">(866) 410-8780&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;">(Name and telephone number, including area code,</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;">of the person to contact in connection with this report)</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>Check the appropriate box to indicate the rule pursuant to which this form is being filed, and provide the period to which the information in this form applies:</b></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

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			<td style="width: 18pt;">&nbsp;</td>
			<td>&nbsp;</td>
		</tr>
		<tr style="vertical-align: top;">
			<td style="width: 36pt;">&nbsp;</td>
			<td style="width: 18pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>&#9746;</b></p>
			</td>
			<td>
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, </b><b>2019</b><b>.</b></p>
			</td>
		</tr>

</table>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

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<p style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; margin: 0pt; text-align: left">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>Section 1.01 and 1.02 &#8211; Conflicts Minerals Disclosure</b></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>&nbsp;</b></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>Items 1.01 and 1.02 &#8211; Conflicts Minerals Disclosure and Report Exhibit</b></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>&nbsp;</b></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">This Form SD and the Conflict Minerals Report, filed as Exhibit 1.01 hereto, are publicly available on our website under Investors, SEC Filings, Form SD at the website <u>www.ottertail.com</u> as well as the SEC&#8217;s EDGAR database at <u>www.sec.gov</u>. The content of any website referred to in this Form SD is included for general information only and is not incorporated by reference in this Form SD.</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>Section 2 - Exhibits</b></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>Item 2.01 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</b><u><b>Exhibits</b></u></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

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			<td style="width:54pt;">&nbsp;</td>
			<td style="width:50pt;vertical-align:top;">
			<p style="font-family:'Times New Roman', Times, serif;margin-right:0pt;margin-top:0pt;text-align:left;margin-bottom:0pt;font-size:10pt;">1.01</p>
			</td>
			<td style="vertical-align:top;">
			<p style="font-family:'Times New Roman', Times, serif;margin-right:0pt;margin-top:0pt;text-align:left;margin-bottom:0pt;font-size:10pt;"><a href="ex_188098.htm" style="-sec-extract:exhibit;">Conflict Minerals Report for the reporting period January 1, 2019 to December&nbsp;31, 2019 as required by Items 1.01 and 1.02 of this Form SD.</a></p>
			</td>
		</tr>

</table>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>&nbsp;</b></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>Signature</b></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

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			<td valign="top" width="50%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
			<td colspan="2" valign="top" width="38%">
			<p style="margin-top: 0; margin-bottom: 0;">OTTER TAIL CORPORATION</p>
			</td>
			<td valign="top" width="12%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
		</tr>
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			<td valign="top" width="50%">
			<p style="margin-top: 0; margin-bottom: 0;">Date: May 29, 2020</p>
			</td>
			<td valign="top" width="3%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
			<td valign="top" width="35%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
			<td valign="top" width="12%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
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			<td valign="top" width="50%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
			<td valign="top" width="3%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
			<td align="left" nowrap="nowrap" valign="bottom" width="35%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
			<td valign="top" width="12%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
		</tr>
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			<td align="left" style="text-align: left;" valign="top" width="50%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
			<td style="text-align: left" valign="top" width="3%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">By: </font></p>
			</td>
			<td align="left" nowrap="nowrap" style="BORDER-BOTTOM: #000000 1px solid" valign="top" width="35%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">/s/&nbsp;</font>&nbsp;Jennifer O. Smestad</p>
			</td>
			<td valign="top" width="12%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
		</tr>
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			<td valign="top" width="50%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
			<td valign="top" width="3%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
			<td valign="top" width="35%">
			<p style="margin-top: 0; margin-bottom: 0;">Jennifer O. Smestad</p>
			</td>
			<td valign="top" width="12%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
		</tr>
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			<td valign="top" width="50%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
			<td valign="top" width="3%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
			<td valign="top" width="35%">
			<p style="margin-top: 0; margin-bottom: 0;">Vice President, General Counsel and</p>
			</td>
			<td valign="top" width="12%">
			<p style="margin-top: 0; margin-bottom: 0;"><font style="font-family: 'Times New Roman', Times, serif; font-size: 10pt">&nbsp;</font></p>
			</td>
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			<td valign="top" width="50%">&nbsp;</td>
			<td valign="top" width="3%">&nbsp;</td>
			<td valign="top" width="35%">Corporate Secretary</td>
			<td valign="top" width="12%">&nbsp;</td>
		</tr>

</table>

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<DOCUMENT>
<TYPE>EX-1.01
<SEQUENCE>2
<FILENAME>ex_188098.htm
<DESCRIPTION>EXHIBIT 1.01
<TEXT>
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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:right;"><b>Exhibit 1.01</b></p>

<p style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><b>Conflict Minerals Report</b></p>

<p style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><b>Otter Tail Corporation</b></p>

<p style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><b>For the Year Ended December 31, </b><b>2019</b></p>

<p style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><u><b>Introduction</b></u></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">This report for the year ended December&nbsp;31, 2019 is made by Otter Tail Corporation (the Company) in compliance with Rule&nbsp;13p-1 under the Securities Exchange Act of 1934 (the Rule). The Rule was adopted by the Securities and Exchange Commission (SEC) to implement reporting and disclosure requirements related to conflict minerals as directed by the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 (Dodd-Frank Act). The Rule imposes certain reporting obligations on SEC registrants whose manufactured products contain conflict minerals that are necessary to the functionality or production of their products. Conflict minerals are defined as cassiterite, columbite-tantalite, gold, wolframite and their derivatives, which are limited to tin, tantalum, tungsten and gold (3TG). These requirements apply to registrants regardless of the geographic origin of the conflict minerals and whether or not the trading in those minerals benefits armed groups.</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">If a registrant has reason to believe that any of the conflict minerals in its supply chain may have originated in the Democratic Republic of the Congo (DRC) or an adjoining country (the Covered Countries), or a registrant is unable to determine the country of origin of those conflict minerals, then the registrant must exercise due diligence on the source and chain of custody of those conflict minerals. The registrant must annually submit a specialized disclosure (Form SD) and Conflict Minerals Report (CMR) to the SEC that includes a description of those due diligence measures.</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">The Company has subsidiary companies operating on two platforms, electric and manufacturing. The Company&#8217;s electric utility subsidiary operates in three states serving over 400 communities. The Company&#8217;s subsidiary companies in its manufacturing platform provide metal fabrication services, thermoformed and extruded plastic products as well as polyvinyl chloride (PVC) pipe manufacturing. Of the products produced by the Company, conflict minerals, particularly tin, is necessary to the functionality or production of PVC pipe. The Company&#8217;s two PVC pipe companies have one supplier which supplies them with the product containing tin. The compound containing tin used in the manufacture of PVC pipes may well not be subject to the reporting rule because the compounds are chemically distinct from metals.</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><u><b>Management Systems</b></u></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><b>&nbsp;</b></p>

<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">The Company&#8217;s policy and procedure are guided by the extreme limited use of conflict minerals. Its goals to hold itself and suppliers accountable for responsibly sourcing conflict minerals. The goals are reasonable and achievable. Based on the Company&#8217;s limited use of conflict minerals and the prior Reasonable Country of Origin Inquiries, the Company has relied on its guiding principles - particularly its commitment to integrity, people and our community to form the basis for its program.</p>

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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">The Company&#8217;s internal team consists of relevant subject matter experts from the functional areas including legal, accounting, engineering and procurement within its various companies. The Company&#8217;s supply chain consortium was important in implementing the Company&#8217;s conflict minerals program. Senior leadership is periodically briefed on the program status and effectiveness.</p>

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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">The Company has established a system to engage relevant first-tier suppliers, who provide materials containing conflict minerals. With the limited number of suppliers, the transparency of the supply chain allows the identification of all smelters in the supply chain in most instances. Additionally, the Company&#8217;s subsidiary companies which do not use conflict minerals, but are involved in metal fabrication, monitor their supply chain to ensure no conflict minerals are included in any of the metal products.</p>

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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">The Company has enlisted the assistance of its relevant suppliers to execute its conflict minerals program. The Company has set expectations with regard to its suppliers through its disclosure requirements to ensure compliance with obtaining the required information necessary to support the Company&#8217;s compliance with the Rule. The Company&#8217;s relationship with the its supplier has been instrumental to help the Company meet the requirements of the Rule and the requirements under the OECD guidance.</p>

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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><u><b>Reasonable Country of Origin Inquiry</b></u></p>

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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">Otter Tail is many steps removed from the mining of conflict minerals. Otter Tail has conducted an analysis of our products and found that, although we do not directly purchase minerals from our suppliers, we do purchase materials that contain conflict minerals, particularly identified as tin. We rely on our Tier 1 suppliers to provide information on the origin of the conflict minerals contained in components that are necessary to the functionality or production of our products by utilizing the Conflict Minerals Reporting Template (CMRT) of the Responsible Minerals Initiative which was formerly known as the Conflict Mineral Sourcing Initiative (&#8220;CFSI&#8221;), which allows us to perform our Reasonable Country of Origin Inquiry (RCOI).</p>

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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><u><b>Due Diligence</b></u></p>

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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">The Company&#8217;s due diligence is designed to conform to the framework in the OECD 2013. The Company&#8217;s due diligence process includes requesting its supplier of products containing tin to complete the CMRT survey in order to obtain information about the smelters or refiners in the Company&#8217;s supply chain. The Company has determined that these actions represent the most reasonable effort the Company can make to determine the mines or locations of origin of the 3TG minerals in our supply chain.</p>

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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">The Company&#8217;s one supplier supplied it with a list of all the smelters used in the supplier&#8217;s supply chain. This supplier represented that all of the smelters on the smelter list are on the list of smelters conformant with the relevant RMAP assessment protocol. The Company used public sources to confirm that the smelters listed are compliant with the relevant RMAP assessment protocol.</p>

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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><u><b>Determination</b></u></p>

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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">Based on the information provided by the Company&#8217;s suppliers, the Company believes the facilities that have been used to process the tin used in the production of its PVC pipe products include RMAP assessment protocol smelters listed in Appendix I below. The Company has found no reasonable basis for concluding that these smelters sourced conflict minerals that directly or indirectly finance or benefit armed groups of the conflict region of the Covered Countries.</p>

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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;"><u><b>Steps for Risk Mitigation</b></u></p>

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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;">The Company plans to undertake the following steps during 2020 to improve its due diligence in order to further mitigate the risk that the material containing conflict minerals necessary to the functionality or production of its products does not benefit armed groups in the Covered Countries:</p>

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			<p style="font-family:'Times New Roman', Times, serif;margin-right:0pt;margin-top:0pt;text-align:left;margin-bottom:0pt;font-size:10pt;">1.</p>
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			<p style="font-family:'Times New Roman', Times, serif;margin-right:0pt;margin-top:0pt;text-align:left;margin-bottom:0pt;font-size:10pt;">Continue dialogue with relevant suppliers to gain a common understanding of the importance of compliance in satisfying the Company&#8217;s requirements under the Rule.</p>
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			<p style="font-family:'Times New Roman', Times, serif;margin-right:0pt;margin-top:0pt;text-align:left;margin-bottom:0pt;font-size:10pt;">2.</p>
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			<p style="font-family:'Times New Roman', Times, serif;margin-right:0pt;margin-top:0pt;text-align:left;margin-bottom:0pt;font-size:10pt;">Continue using current processes within the Company&#8217;s supply chain organization in working with suppliers to obtain required information.</p>
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			<p style="font-family:'Times New Roman', Times, serif;margin-right:0pt;margin-top:0pt;text-align:left;margin-bottom:0pt;font-size:10pt;">Review third party programs as necessary to further improve the Company&#8217;s conflict mineral process in obtaining accurate and complete information.</p>
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<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><u><b>APPENDIX I</b></u></p>

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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Mineral</b></p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Smelter Name</b></p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><b>Country Location of Smelter</b></p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">CID001105</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Tin</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Malaysia Smelting Corporation (MSC)</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">CID001460</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Tin</p>
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			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 42.7%; border-right: 1px solid black; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">PT Refined Bangka Tin</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">INDONESIA</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">CID001468</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Tin</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">PT Stanindo Inti Perkasa</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">INDONESIA</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">CID002776</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Tin</p>
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			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 42.7%; border-right: 1px solid black; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">PT Bangka Prima Tin</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">INDONESIA</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">CID001463</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Tin</p>
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			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 42.7%; border-right: 1px solid black; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">PT Sariwiguna Binasentosa</p>
			</td>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">INDONESIA</p>
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			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 12.4%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">CID001182</p>
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			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 10.7%; border-left: 1px solid black; border-right: 1px solid black; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Tin</p>
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			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 42.7%; border-right: 1px solid black; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Minsur</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">PERU</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">CID003205</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Tin</p>
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			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 42.7%; border-right: 1px solid black; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">PT Bangka Serumpun</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">INDONESIA</p>
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			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">CID001173</p>
			</td>
			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 10.7%; border-left: 1px solid black; border-right: 1px solid black; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Tin</p>
			</td>
			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 42.7%; border-right: 1px solid black; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Mineracao Taboca S.A.</p>
			</td>
			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 34.2%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">BRAZIL</p>
			</td>
		</tr>
		<tr style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 12.4%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">CID001482</p>
			</td>
			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 10.7%; border-left: 1px solid black; border-right: 1px solid black; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Tin</p>
			</td>
			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 42.7%; border-right: 1px solid black; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">PT Timah Tbk Mentok</p>
			</td>
			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 34.2%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">INDONESIA</p>
			</td>
		</tr>
		<tr style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 12.4%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">CID001458</p>
			</td>
			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 10.7%; border-left: 1px solid black; border-right: 1px solid black; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Tin</p>
			</td>
			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 42.7%; border-right: 1px solid black; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">PT Prima Timah Utama</p>
			</td>
			<td style="vertical-align: middle; border-bottom: 1px solid rgb(0, 0, 0); width: 34.2%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">INDONESIA</p>
			</td>
		</tr>
		<tr style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<td style="vertical-align: middle; width: 12.4%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">CID002036</p>
			</td>
			<td style="vertical-align: middle; width: 10.7%; border-left: 1px solid black; border-right: 1px solid black; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">Tin</p>
			</td>
			<td style="vertical-align: middle; width: 42.7%; border-right: 1px solid black; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">White Solder Metalurgia e Mineracao Ltda.</p>
			</td>
			<td style="vertical-align: middle; width: 34.2%; font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt;">
			<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;">BRAZIL</p>
			</td>
		</tr>

</table>

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