<SEC-DOCUMENT>0000357173-21-000070.txt : 20211015
<SEC-HEADER>0000357173-21-000070.hdr.sgml : 20211015
<ACCEPTANCE-DATETIME>20211014182327
ACCESSION NUMBER:		0000357173-21-000070
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		15
CONFORMED PERIOD OF REPORT:	20211014
ITEM INFORMATION:		Other Events
FILED AS OF DATE:		20211015
DATE AS OF CHANGE:		20211014

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OLD SECOND BANCORP INC
		CENTRAL INDEX KEY:			0000357173
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				363143493
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10537
		FILM NUMBER:		211324381

	BUSINESS ADDRESS:	
		STREET 1:		37 S RIVER ST
		CITY:			AURORA
		STATE:			IL
		ZIP:			60507
		BUSINESS PHONE:		6308920202

	MAIL ADDRESS:	
		STREET 1:		37 SOUTH RIVER STREET
		CITY:			AURORA
		STATE:			IL
		ZIP:			60507
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>osbc-20211014x8k.htm
<DESCRIPTION>8-K
<TEXT>
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style="font-family:'Times';font-size:9pt;line-height:14pt;text-align:justify;text-indent:0pt;margin:0pt -9pt 10pt 0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. &#160;</span><b style="font-family:'Segoe UI Symbol';font-weight:bold;">&#9744;</b></p><p style="font-family:'Times';font-size:10pt;line-height:14pt;text-align:justify;text-indent:0pt;margin:0pt 0pt 10pt 0pt;"><span style="font-family:'Times New Roman','Times','serif';">Securities registered pursuant to Section 12(b) of the Act:</span></p><a id="_f25d6eed_7629_4afa_a308_081eec847f61"></a><a id="Tc_CgE1n-hfEEuYrXSOYNgqjw_1_0"></a><a id="Tc_KRNKd1HUh0mCwATb1-su6g_1_1"></a><a id="Tc_1fQH6DzNmUOC1tSPbhHIpw_1_2"></a><table 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style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt 8.65pt 0pt 0pt;"><b style="font-weight:bold;">Trading Symbol(s)</b></p></td><td style="vertical-align:top;width:35.58%;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt -13.5pt 0pt 0pt;"><b style="font-weight:bold;">Name of each exchange on which registered</b></p></td></tr><tr><td style="vertical-align:top;width:40.38%;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:center;margin:0pt 8.65pt 0pt 0pt;"><ix:nonNumeric contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA" name="dei:Security12bTitle" id="Tc_ppDyExQDVkyR1bAzZzZBCQ_2_0"><span style="font-size:10pt;">Common Stock</span></ix:nonNumeric></p></td><td style="vertical-align:bottom;width:24.03%;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:center;margin:0pt 8.65pt 0pt 0pt;"><ix:nonNumeric contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA" name="dei:TradingSymbol" id="Tc_-clvrg1XxEWdptd17xz1sA_2_1"><span style="font-size:10pt;">OSBC</span></ix:nonNumeric></p></td><td style="vertical-align:top;width:35.58%;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:center;margin:0pt 8.65pt 0pt 0pt;"><ix:nonNumeric contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" id="Tc_7Sj_CaLrT0WjcfK3axfzAA_2_2"><span style="font-size:10pt;">The Nasdaq Stock Market</span></ix:nonNumeric></p></td></tr><tr style="height:7.2pt;"><td style="vertical-align:top;width:40.38%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:center;margin:0pt 8.65pt 0pt 0pt;"><span style="font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:24.03%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:center;margin:0pt 8.65pt 0pt 0pt;"><span style="font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:35.58%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:center;margin:0pt 8.65pt 0pt 0pt;"><span style="font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;padding-bottom:1pt;padding-top:1pt;border-bottom:3.0pt solid #000000;border-top:1.0pt solid #000000;margin:0pt;"><span style="font-size:1pt;font-weight:bold;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="display:none;font-size:12pt;line-height:0pt;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:0pt;visibility:hidden;">&#8203;</span></p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:91.06%;border:0;margin:30pt 4.47% 30pt 4.47%;"></div><div style="max-width:100%;padding-left:10.35%;padding-right:10.35%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><a id="_d62c3aeb_c0fe_4663_929c_d7ddd04d7490"></a><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><b style="font-weight:bold;">Item 8.01.&#160;Other Events.</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;margin:0pt;"><span style="font-size:10pt;font-weight:bold;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:justify;margin:0pt;"><span style="display:inline-block;text-align:left;text-indent:0pt;width:36pt;"></span><span style="font-size:10pt;">On October 14, 2021, Old Second Bancorp, Inc.</span><span style="font-family:'inherit';font-size:10pt;"> (&#8220;the Company&#8221;), the holding company for Old Second National Bank (&#8220;the Bank&#8221;), announced that the Company and the Bank received bank regulatory approvals for its previously announced merger with West Suburban Bancorp, Inc. (&#8220;West Suburban&#8221;), and its wholly-owned subsidiary, West Suburban Bank. &#160;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:justify;margin:0pt;"><span style="font-family:'inherit';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;text-indent:36pt;margin:0pt;"><span style="font-family:'inherit';">The merger remains subject to stockholder approval of each company, and the satisfaction of other customary closing conditions. &#160;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:justify;margin:0pt;"><span style="font-family:'inherit';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;text-indent:36pt;margin:0pt;"><span style="font-family:'inherit';">A copy of the press release is attached to this Current Report on Form 8-K as Exhibit 99.1 and is incorporated herein by reference.</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;margin:0pt;"><span style="font-size:10pt;font-weight:bold;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-weight:bold;text-align:justify;margin:0pt;"><b style="font-size:11pt;font-weight:bold;letter-spacing:-0.05pt;">A</b><b style="font-weight:bold;letter-spacing:-0.05pt;">dditional Information About the Merger and Where to Find It</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:justify;margin:0pt;"><span style="font-family:'Calibri','Helvetica','sans-serif';font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;text-indent:36pt;margin:0pt;">This communication is being made in respect of the proposed merger transaction between Old Second and West Suburban. In connection with the proposed merger, on October 1, 2021, Old Second filed with the Securities and Exchange Commission (&#8220;SEC&#8221;) a Registration Statement on Form S-4 (Registration Statement No. 333-259964) that includes the Joint Proxy Statement of Old Second and West Suburban and a Prospectus of Old Second, as well as other relevant documents regarding the proposed transaction. A definitive Joint Proxy Statement/Prospectus will also be sent to Old Second stockholders and West Suburban shareholders. </p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:justify;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;text-indent:36pt;margin:0pt;">INVESTORS ARE URGED TO READ THE REGISTRATION STATEMENT AND THE JOINT PROXY STATEMENT/PROSPECTUS REGARDING THE MERGER AND ANY OTHER RELEVANT DOCUMENTS FILED WITH THE SEC, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THOSE DOCUMENTS, BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION.</p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:justify;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;text-indent:36pt;margin:0pt;">This communication does not constitute an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote or approval, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction.</p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:justify;text-indent:36pt;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;text-indent:36pt;margin:0pt;">A free copy of the Joint Proxy Statement/Prospectus, as well as other filings containing information about Old Second, may be obtained at the SEC&#8217;s Internet site (http://www.sec.gov). You can also obtain these documents, free of charge, from Old Second by accessing Old Second&#8217;s investor relations website, https://investors.oldsecond.com, under the heading &#8220;SEC Filings&#8221; or by directing a request to Old Second Stockholder Relations Manager, Shirley Cantrell, at Old Second Bancorp, Inc., 37 S. River St., Aurora, Illinois 60507, by calling 630-906-2303 or by sending an e-mail to scantrell@oldsecond.com.</p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:justify;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:justify;text-indent:36pt;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;"><b style="font-weight:bold;">Participants in the Solicitation</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-align:justify;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;text-indent:36pt;margin:0pt;">Old Second and West Suburban and certain of their respective directors and executive officers may be deemed to be participants in the solicitation of proxies from Old Second&#8217;s stockholders and West Suburban&#8217;s shareholders in connection with the proposed merger. Information regarding Old Second&#8217;s directors and executive officers is contained in Old Second&#8217;s definitive proxy statement on Schedule 14A, dated April 16, 2021 and in certain of its Current Reports on Form 8-K, which are filed with the SEC. Additional information regarding the interests of those participants and other persons who may be deemed participants in the transaction may be obtained by reading the Joint Proxy Statement/Prospectus regarding the proposed merger. Free copies of these documents may be obtained as described in the preceding paragraph.</p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;margin:0pt;"><span style="font-size:10pt;font-weight:bold;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;margin:0pt;"><span style="font-size:10pt;font-weight:bold;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><b style="font-weight:bold;">Item 9.01 Financial Statements and Exhibits</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;margin:0pt;"><span style="font-size:10pt;font-weight:bold;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="display:inline-block;text-indent:0pt;width:72pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;text-align:left;text-decoration:underline;text-decoration-color:#000000;">Exhibit No.</span><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;text-align:left;"> </span></span><span style="text-decoration:underline;text-decoration-color:#000000;">Exhibit</span><span style="text-decoration:underline;text-decoration-color:#000000;"><span style="display:inline-block;overflow:hidden;position:relative;text-align:justify;text-align-last:justify;text-decoration:underline;text-indent:0pt;vertical-align:bottom;white-space:normal;width:6.56pt;">&#8203; &#8203;<span style="display:inline-block;height:0pt;width:100%;"></span></span></span><span style="text-decoration:underline;text-decoration-color:#000000;"><span style="display:inline-block;overflow:hidden;position:relative;text-align:justify;text-align-last:justify;text-decoration:underline;text-indent:0pt;vertical-align:bottom;white-space:normal;width:36pt;">&#8203; &#8203;<span style="display:inline-block;height:0pt;width:100%;"></span></span></span><span style="text-decoration:underline;text-decoration-color:#000000;"><span style="display:inline-block;overflow:hidden;position:relative;text-align:justify;text-align-last:justify;text-decoration:underline;text-indent:0pt;vertical-align:bottom;white-space:normal;width:36pt;">&#8203; &#8203;<span style="display:inline-block;height:0pt;width:100%;"></span></span></span><span style="text-decoration:underline;text-decoration-color:#000000;"><span style="display:inline-block;overflow:hidden;position:relative;text-align:justify;text-align-last:justify;text-decoration:underline;text-indent:0pt;vertical-align:bottom;white-space:normal;width:36pt;">&#8203; &#8203;<span style="display:inline-block;height:0pt;width:100%;"></span></span></span><span style="text-decoration:underline;text-decoration-color:#000000;"><span style="display:inline-block;overflow:hidden;position:relative;text-align:justify;text-align-last:justify;text-decoration:underline;text-indent:0pt;vertical-align:bottom;white-space:normal;width:36pt;">&#8203; &#8203;<span style="display:inline-block;height:0pt;width:100%;"></span></span></span><span style="text-decoration:underline;text-decoration-color:#000000;"><span style="display:inline-block;overflow:hidden;position:relative;text-align:justify;text-align-last:justify;text-decoration:underline;text-indent:0pt;vertical-align:bottom;white-space:normal;width:36pt;">&#8203; &#8203;<span style="display:inline-block;height:0pt;width:100%;"></span></span></span><span style="text-decoration:underline;text-decoration-color:#000000;"><span style="display:inline-block;overflow:hidden;position:relative;text-align:justify;text-align-last:justify;text-decoration:underline;text-indent:0pt;vertical-align:bottom;white-space:normal;width:36pt;">&#8203; &#8203;<span style="display:inline-block;height:0pt;width:100%;"></span></span></span><span style="text-decoration:underline;text-decoration-color:#000000;"><span style="display:inline-block;overflow:hidden;position:relative;text-align:justify;text-align-last:justify;text-decoration:underline;text-indent:0pt;vertical-align:bottom;white-space:normal;width:36pt;">&#8203; &#8203;<span style="display:inline-block;height:0pt;width:100%;"></span></span></span><span style="text-decoration:underline;text-decoration-color:#000000;"><span style="display:inline-block;overflow:hidden;position:relative;text-align:justify;text-align-last:justify;text-decoration:underline;text-indent:0pt;vertical-align:bottom;white-space:normal;width:36pt;">&#8203; &#8203;<span style="display:inline-block;height:0pt;width:100%;"></span></span></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="display:inline-block;text-indent:0pt;width:36pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;text-align:left;white-space:pre-wrap;">99.1  </span></span><span style="display:inline-block;width:36pt;"></span><a style="-sec-extract:exhibit;" href="osbc-20211014ex991f70ab1.htm"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:normal;font-weight:normal;text-align:left;">Press Release Dated October 14, 2021</span></a></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p></div><div style="clear:both;margin-bottom:30pt;width:100%;"><p style="font-family:'Courier';font-size:12pt;text-align:center;margin:0pt;"><span style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</span></p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:79.3%;border:0;margin:30pt 10.35% 30pt 10.35%;"></div><div style="max-width:100%;padding-left:10.35%;padding-right:10.35%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:center;margin:0pt 8.65pt 12pt 0pt;"><b style="font-weight:bold;">Signature</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt 8.65pt 0pt 0pt;">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 hereunto duly authorized.</p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-indent:36pt;margin:0pt 8.65pt 0pt 0pt;"><span style="font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;text-indent:36pt;margin:0pt 8.65pt 0pt 0pt;"><span style="font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-size:16pt;height:max-content;padding-left:0pt;padding-right:0pt;width:100%;"><tr style="height:1pt;"><td style="vertical-align:top;width:50.28%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:1pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:top;width:4.75%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:1pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:top;width:44.95%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:1pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></div></div></td></tr><tr><td style="vertical-align:top;width:50.28%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td><td colspan="2" style="vertical-align:top;width:49.71%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><b style="font-weight:bold;">OLD SECOND BANCORP,&#160;INC.</b></p></td></tr><tr><td style="vertical-align:top;width:50.28%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:4.75%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:44.95%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td></tr><tr><td style="vertical-align:top;width:50.28%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:4.75%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:44.95%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td></tr><tr><td style="vertical-align:top;width:50.28%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;">Dated: October 14, 2021</p></td><td style="vertical-align:top;width:4.75%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;">By:</p></td><td style="vertical-align:top;width:44.95%;border-bottom:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';">/s/ Bradley S. Adams</span></p></td></tr><tr><td style="vertical-align:top;width:50.28%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:4.75%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:44.95%;border-top:1px solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';">Bradley S. Adams</span></p></td></tr><tr><td style="vertical-align:top;width:50.28%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:4.75%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:44.95%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;">Executive Vice President and</p></td></tr><tr><td style="vertical-align:top;width:50.28%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:4.75%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;"><span style="font-family:'CG Times';font-size:10pt;margin-right:0pt;visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:44.95%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.25;margin:0pt 8.65pt 0pt 0pt;">Chief Financial Officer</p></td></tr></table><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;margin:0pt;"><span style="font-size:10pt;visibility:hidden;">&#8203;</span></p></div></div>
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<TYPE>EX-99.1
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<DESCRIPTION>EX-99.1
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<!--Enhanced HTML document created with Toppan Merrill Bridge  9.11.0.85--><!--Created on: 10/14/2021 10:18:53 PM (UTC)--><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta charset="UTF-8"><title></title></head><body><div style="margin-top:30pt;"></div><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="margin-top:30pt;width:100%;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;margin:0pt;"><img src="osbc-20211014ex991f70ab1001.jpg" alt="Graphic" style="display:inline-block;height:46.55pt;left:0%;padding-bottom:0pt;position:relative;top:0pt;width:163.2pt;"></p></div><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-weight:bold;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-weight:bold;visibility:hidden;">&#8203;</font></p><div align="left"><table style="border-collapse:collapse;font-size:16pt;height:max-content;padding-left:0pt;padding-right:0pt;width:98.99%;"><tr style="height:1pt;"><td style="vertical-align:bottom;white-space:nowrap;width:9.24%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:1pt;margin:0pt;"> <font style="visibility:hidden;">&#8203;</font></p></div></div></td><td style="vertical-align:bottom;white-space:nowrap;width:66.29%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></td><td style="vertical-align:bottom;white-space:nowrap;width:24.45%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;margin:0pt;"><font style="font-size:1pt;visibility:hidden;">&#8203;</font></p></div></div></td></tr><tr><td colspan="2" style="vertical-align:bottom;white-space:nowrap;width:75.54%;margin:0pt;padding:0pt;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin:0pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">(NASDAQ: OSBC)</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:24.45%;margin:0pt;padding:0pt;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin:0pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">Exhibit 99.1</b></p></td></tr><tr><td style="vertical-align:bottom;white-space:nowrap;width:9.24%;margin:0pt;padding:0pt;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-weight:bold;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:bottom;white-space:nowrap;width:66.29%;margin:0pt;padding:0pt;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-weight:bold;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:bottom;white-space:nowrap;width:24.45%;margin:0pt;padding:0pt;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;visibility:hidden;">&#8203;</font></p></td></tr><tr><td style="vertical-align:bottom;white-space:nowrap;width:9.24%;margin:0pt;padding:0pt;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin:0pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">Contact:</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:66.29%;margin:0pt;padding:0pt;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin:0pt 0pt 0pt 6pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">Bradley S. Adams</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:24.45%;margin:0pt;padding:0pt;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin:0pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">For Immediate Release</b></p></td></tr><tr><td style="vertical-align:bottom;white-space:nowrap;width:9.24%;margin:0pt;padding:0pt;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-weight:bold;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:bottom;white-space:nowrap;width:66.29%;margin:0pt;padding:0pt;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin:0pt 0pt 0pt 6pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">Chief Financial Officer</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:24.45%;margin:0pt;padding:0pt;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin:0pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">October 14, 2021</b></p></td></tr><tr><td style="vertical-align:bottom;white-space:nowrap;width:9.24%;margin:0pt;padding:0pt;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-weight:bold;visibility:hidden;">&#8203;</font></p></td><td style="vertical-align:bottom;white-space:nowrap;width:66.29%;margin:0pt;padding:0pt;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin:0pt 0pt 0pt 6pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">(630) 906-5484</b></p></td><td style="vertical-align:bottom;white-space:nowrap;width:24.45%;margin:0pt;padding:0pt;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-weight:bold;visibility:hidden;">&#8203;</font></p></td></tr></table></div><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:center;margin:0pt;"><font style="color:#0000ff;font-family:'Times New Roman','Times','serif';font-size:11pt;font-weight:bold;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:center;margin:0pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">Old Second Bancorp, Inc. Announces Receipt of Regulatory Approvals</b></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:center;margin:0pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">to Complete its Merger Transaction with West Suburban Bancorp, Inc.</b></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:center;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-weight:bold;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:justify;text-indent:36pt;margin:0pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">Aurora, IL, October 14, 2021</b><font style="font-family:'Times New Roman','Times','serif';"> - Aurora, IL-based Old Second Bancorp, Inc. (&#8220;Old Second&#8221;, NASDAQ: OSBC), the holding company for Old Second National Bank, announced today that it has received the bank regulatory approvals required to complete its previously announced merger with &#160;Lombard, IL-based West Suburban Bancorp, Inc. (&#8220;West Suburban&#8221;), and its wholly-owned subsidiary, West Suburban Bank.</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:justify;text-indent:36pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';">Subject to Old Second stockholder approval and West Suburban shareholder approval, as well as the satisfaction of customary closing conditions, Old Second anticipates closing the transaction in early December 2021.</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:10pt;text-align:justify;text-indent:36pt;margin:0pt;"><font style="font-family:'inherit';font-size:11pt;">Old Second operates 29 full-service banking branches primarily in the Kane, Cook, DeKalb, DuPage, Kendall, LaSalle and Will counties, and West Suburban operates 35 full service banking branches, primarily in the DuPage, Kane, Kendall, and Will counties.</font><font style="font-family:'inherit';"> &#160;</font><font style="background-color:#ffffff;color:#1a1818;font-family:'Times New Roman','Times','serif';font-size:11pt;"> </font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:justify;text-indent:36pt;margin:0pt;"><font style="background-color:#ffffff;color:#1a1818;font-family:'Times New Roman','Times','serif';">&#8220;We are extremely pleased to have received the bank regulatory approvals required to complete the proposed merger with West Suburban, which represents a significant milestone towards closing the transaction,&#8221; commented James Eccher, President and Chief Executive Officer of Old Second. &#8220;As we previously announced, we believe the combination of our two banks will significantly enhance our financial strength, our competitive position in the Chicago metropolitan market, and our ability to invest in building the best combined bank to serve our customers and communities. Given our overlapping core values and our complementary product and service offerings, we believe this merger will create a strong institution that is well-positioned to grow, which will benefit the stockholders of both Old Second and West Suburban.</font><font style="background-color:#ffffff;color:#1a1818;font-family:'Times New Roman','Times','serif';font-size:12pt;">&#8221;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;margin:0pt;"><font style="visibility:hidden;">&#8203;</font></p><p style="font-family:'CG Times';font-size:11pt;font-weight:bold;text-align:justify;margin:0pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;letter-spacing:-0.05pt;">Additional Information About the Merger and Where to Find It</b></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;margin:0pt;"><font style="font-size:10pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:justify;text-indent:36pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';">This communication is being made in respect of the proposed merger transaction between Old Second and West Suburban. In connection with the proposed merger, on October 1, 2021, Old Second filed with the Securities and Exchange Commission (&#8220;SEC&#8221;) a Registration Statement on Form S-4 (Registration Statement No. 333-259964) that includes the Joint Proxy Statement of Old Second and West Suburban and a Prospectus of Old Second, as well as other relevant documents regarding the proposed transaction. A definitive Joint Proxy Statement/Prospectus will also be sent to Old Second stockholders and West Suburban shareholders. </font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:justify;text-indent:36pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';">INVESTORS ARE URGED TO READ THE REGISTRATION STATEMENT AND THE JOINT PROXY STATEMENT/PROSPECTUS REGARDING THE MERGER AND ANY OTHER RELEVANT </font></p></div></div><hr style="background-color:#000000;clear:both;color:#000000;height:2pt;line-height:0;margin-bottom:30pt;margin-left:11.76%;margin-right:11.76%;margin-top:30pt;page-break-after:always;width:76.47%;border-width:0;"><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:justify;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';">DOCUMENTS FILED WITH THE SEC, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THOSE DOCUMENTS, BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION.</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:justify;text-indent:36pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';">This communication does not constitute an offer to sell or the solicitation of an offer to buy any securities or a solicitation of any vote or approval, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction.</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;text-indent:36pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:justify;text-indent:36pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';">A free copy of the Joint Proxy Statement/Prospectus, as well as other filings containing information about Old Second, may be obtained at the SEC&#8217;s Internet site (http://www.sec.gov). You can also obtain these documents, free of charge, from Old Second by accessing Old Second&#8217;s investor relations website, https://investors.oldsecond.com, under the heading &#8220;SEC Filings&#8221; or by directing a request to Old Second Stockholder Relations Manager, Shirley Cantrell, at Old Second Bancorp, Inc., 37 S. River St., Aurora, Illinois 60507, by calling 630-906-2303 or by sending an e-mail to scantrell@oldsecond.com.</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:justify;margin:0pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">Participants in the Solicitation</b></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:10pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:justify;text-indent:36pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';">Old Second and West Suburban and certain of their respective directors and executive officers may be deemed to be participants in the solicitation of proxies from Old Second&#8217;s stockholders and West Suburban&#8217;s shareholders in connection with the proposed merger. Information regarding Old Second&#8217;s directors and executive officers is contained in Old Second&#8217;s definitive proxy statement on Schedule 14A, dated April 16, 2021 and in certain of its Current Reports on Form 8-K, which are filed with the SEC. Additional information regarding the interests of those participants and other persons who may be deemed participants in the transaction may be obtained by reading the Joint Proxy Statement/Prospectus regarding the proposed merger. Free copies of these documents may be obtained as described in the preceding paragraph.</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;margin:0pt;"><font style="font-size:11pt;font-weight:bold;visibility:hidden;">&#8203;</font></p><p style="font-family:'Arial','Helvetica','sans-serif';font-size:11pt;line-height:1.19;text-align:justify;margin:0pt;"><b style="font-family:'Times New Roman','Times','serif';font-weight:bold;">Cautionary Note Regarding Forward-Looking Statements</b></p><p style="font-family:'Arial','Helvetica','sans-serif';font-size:12pt;line-height:1.19;text-align:justify;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;line-height:1.27;margin-bottom:8pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:justify;text-indent:36pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';">Statements included in this press release, which are not historical in nature are intended to be, and hereby are identified as, forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. &#160;Examples of forward-looking statements include, but are not limited to, statements regarding the outlook and expectations of Old Second with respect to the timing of the closing of the transaction and the strategic and financial benefits of the merger. &#160;Words such as &#8220;believe,&#8221; &#8220;may,&#8221; &#8220;anticipates,&#8221; &#8220;plan,&#8221; &#8220;expect,&#8221; &#8220;assume,&#8221; &#8220;approximately,&#8221; &#8220;continue,&#8221; &#8220;should,&#8221; &#8220;could,&#8221; &#8220;will,&#8221; and variations of such words and similar expressions are intended to identify such forward-looking statements. </font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;text-indent:36pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:justify;text-indent:36pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';">Forward-looking statements are subject to risks, uncertainties and assumptions that are difficult to predict with regard to timing, extent, likelihood and degree of occurrence, which could cause actual results to differ materially from anticipated results. Such risks, uncertainties and assumptions, include, among others, the following: </font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;visibility:hidden;">&#8203;</font></p><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:11pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-style:normal;font-weight:normal;text-align:justify;">the failure of either company to obtain stockholder or shareholder approval, the satisfaction of conditions to any regulatory approval, including the expiration of applicable waiting periods, or the failure of either company to satisfy any of the other closing conditions to the transaction on a timely basis or at all;</font></td></tr></table><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:11pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-style:normal;font-weight:normal;text-align:justify;">the occurrence of any event, change or other circumstances that could give rise to the right of one or both of the parties to terminate the merger agreement;</font></td></tr></table><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:11pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-style:normal;font-weight:normal;text-align:justify;">the occurrence of any event, change or other circumstances that causes the bank regulatory agencies to revoke their approvals of the transaction or otherwise impose conditions on such approvals that could adversely affect the combined company or the benefits of the transaction;</font></td></tr></table></div></div><hr style="background-color:#000000;clear:both;color:#000000;height:2pt;line-height:0;margin-bottom:30pt;margin-left:11.76%;margin-right:11.76%;margin-top:30pt;page-break-after:always;width:76.47%;border-width:0;"><div style="max-width:100%;padding-left:11.76%;padding-right:11.76%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:11pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-style:normal;font-weight:normal;text-align:justify;">the possibility that the anticipated benefits of the transaction, including anticipated cost savings and strategic gains, are not realized when expected or at all, including as a result of the impact of, or problems arising from, the integration of the two companies or as a result of the strength of the economy, competitive factors in the areas where Old Second and West Suburban do business, or as a result of other unexpected factors or events; </font></td></tr></table><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:11pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-style:normal;font-weight:normal;text-align:justify;">the impact of purchase accounting with respect to the transaction, or any change in the assumptions used regarding the assets purchased and liabilities assumed to determine their fair value;</font></td></tr></table><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:11pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-style:normal;font-weight:normal;text-align:justify;">diversion of management&#8217;s attention from ongoing business operations and opportunities; </font></td></tr></table><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:11pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-style:normal;font-weight:normal;text-align:justify;">potential adverse reactions or changes to business or employee relationships, including those resulting from the announcement or completion of the transaction; </font></td></tr></table><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:11pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-style:normal;font-weight:normal;text-align:justify;">the outcome of any legal proceedings that may be instituted against Old Second or West Suburban;</font></td></tr></table><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:11pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-style:normal;font-weight:normal;text-align:justify;">the integration of the businesses and operations of Old Second and West Suburban, which may take longer than anticipated or be more costly than anticipated or have unanticipated adverse results relating to Old Second&#8217;s and West Suburban&#8217;s existing businesses; </font></td></tr></table><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:11pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-style:normal;font-weight:normal;text-align:justify;">business disruptions following the merger; and </font></td></tr></table><table border="0" cellpadding="0" cellspacing="0" style="border-collapse:collapse;font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;margin-bottom:0pt;margin-top:0pt;table-layout:fixed;text-align:justify;width:100%;border:0pt;"><tr><td style="width:18pt;"></td><td style="font-family:'Times New Roman';font-size:11pt;vertical-align:text-top;white-space:nowrap;width:18pt;padding:0pt;">&#9679;</td><td style="padding:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;font-style:normal;font-weight:normal;text-align:justify;">other factors that may affect future results of Old Second and West Suburban including changes in asset quality and credit risk; the inability to sustain revenue and earnings growth; changes in interest rates and capital markets; inflation; customer borrowing, repayment, investment and deposit practices; changes in general economic conditions, including due to the COVID-19 pandemic; the impact, extent and timing of technological changes; capital management activities; and other actions of the Federal Reserve Board and legislative and regulatory actions and reforms.</font></td></tr></table><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:12pt;text-align:justify;text-indent:36pt;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';font-size:11pt;visibility:hidden;">&#8203;</font></p><p style="font-family:'Calibri','Helvetica','sans-serif';font-size:11pt;text-align:justify;margin:0pt;"><font style="font-family:'Times New Roman','Times','serif';">Old Second disclaims any obligation to update or revise any forward-looking statements contained in this press release, which speak only as of the date hereof, whether as a result of new information, future events or otherwise, except as required by law. &#160;Additional factors that could cause results to differ materially from those described above can be found in Old Second&#8217;s Annual Report on Form 10-K for the year ended December 31, 2020, Old Second&#8217;s Quarterly Report on Form 10-Q for the quarter ending June 30, 2021 and the Registration Statement that includes the Joint Proxy Statement/Prospectus regarding the merger, each of which is on file with the SEC and available on Old Second&#8217;s investor relations website, https://investors.oldsecond.com, under the heading &#8220;SEC Filings,&#8221; and in other documents Old Second files with the SEC.</font></p></div></div><hr style="background-color:#000000;clear:both;color:#000000;height:2pt;line-height:0;margin-left:11.76%;margin-right:11.76%;margin-top:30pt;page-break-after:avoid;width:76.47%;border-width:0;"></body></html>
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end
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<DOCUMENT>
<TYPE>EX-101.SCH
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<DESCRIPTION>EX-101.SCH
<TEXT>
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<!--Created on: 10/14/2021 10:19:01 PM-->
<!--Modified on: 10/14/2021 10:19:01 PM-->
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</xsd:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>6
<FILENAME>osbc-20211014_lab.xml
<DESCRIPTION>EX-101.LAB
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii"?>
<!--XBRL document created with Toppan Merrill Bridge  9.6.7908.23199 -->
<!--Based on XBRL 2.1-->
<!--Created on: 10/14/2021 10:19:01 PM-->
<!--Modified on: 10/14/2021 10:19:01 PM-->
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<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>7
<FILENAME>osbc-20211014_pre.xml
<DESCRIPTION>EX-101.PRE
<TEXT>
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<TYPE>XML
<SEQUENCE>8
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<XML>
<?xml version="1.0" encoding="utf-8"?>
<xbrl
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  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="osbc-20211014.xsd" xlink:type="simple"/>
    <context id="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000357173</identifier>
        </entity>
        <period>
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            <endDate>2021-10-13</endDate>
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      contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA"
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      contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA"
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      contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA"
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      contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA"
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    <dei:CityAreaCode
      contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA"
      id="Narr_Au5IrBziDEirgwbsGeImGA">630</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA"
      id="Narr_WAae7ikN1Um9L9VWNfgLqA">892-0202</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA"
      id="Narr_CRHVt31xOUS4zlX4flUcZA">true</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA"
      id="Narr_9vtpF9SKa0isylMjqjkkNg">false</dei:SolicitingMaterial>
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      contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA"
      id="Narr_pNfQoY6ljEGC_PKvVKySVw">false</dei:PreCommencementTenderOffer>
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      contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA"
      id="Narr_U4iVbLp7bkiUnFIgTgWb_w">false</dei:PreCommencementIssuerTenderOffer>
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      contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA"
      id="Narr_d1y1KbRnWEGMBpDNwjrEHg">false</dei:EntityEmergingGrowthCompany>
    <dei:Security12bTitle
      contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA"
      id="Tc_ppDyExQDVkyR1bAzZzZBCQ_2_0">Common Stock</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA"
      id="Tc_-clvrg1XxEWdptd17xz1sA_2_1">OSBC</dei:TradingSymbol>
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      contextRef="Duration_10_13_2021_To_10_13_2021_nmeIni4elE2eddugYZ9WiA"
      id="Tc_7Sj_CaLrT0WjcfK3axfzAA_2_2">NASDAQ</dei:SecurityExchangeName>
</xbrl>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>9
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140271979999576">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Document and Entity Information<br></strong></div></th>
<th class="th"><div>Oct. 13, 2021</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_osbc_DocumentAndEntityInformationAbstract', window );"><strong>Document and Entity Information [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Oct. 14,  2021<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">OLD SECOND BANCORP INC<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">DE<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">000-10537<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">36-3143493<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">37 South River Street<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Aurora<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">IL<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">60507<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">630<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">892-0202<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</a></td>
<td class="text">true<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre-commencement Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre-commencement Issuer Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common Stock<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">OSBC<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000357173<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementIssuerTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 13e<br> -Subsection 4c<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementIssuerTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14d<br> -Subsection 2b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Section 14a<br> -Number 240<br> -Subsection 12<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 425<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
