<SEC-DOCUMENT>0001104659-20-024312.txt : 20200224
<SEC-HEADER>0001104659-20-024312.hdr.sgml : 20200224
<ACCEPTANCE-DATETIME>20200224170013
ACCESSION NUMBER:		0001104659-20-024312
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200224
DATE AS OF CHANGE:		20200224
GROUP MEMBERS:		WILLIAM H. GATES III

SUBJECT COMPANY:	

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

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-84909
		FILM NUMBER:		20645187

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

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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Otter Tail Holding Co
		DATE OF NAME CHANGE:	20090618

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CASCADE INVESTMENT, L.L.C.
		CENTRAL INDEX KEY:			0001052192
		IRS NUMBER:				911680459
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		2365 CARILLON POINT
		CITY:			KIRKLAND
		STATE:			WA
		ZIP:			98033
		BUSINESS PHONE:		4258897900

	MAIL ADDRESS:	
		STREET 1:		2365 CARILLON POINT
		CITY:			KIRKLAND
		STATE:			WA
		ZIP:			98033

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CASCADE INVESTMENT LLC
		DATE OF NAME CHANGE:	19980102
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>a20-10756_1sc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>


<html>
<head>






  </head>
<body link=blue bgcolor="white" lang="EN-US">
<div style="font-family:Times New Roman;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="23%" valign="top" style="padding:0in .7pt .7pt .7pt;width:23.0%;">
<p align="center" style="margin:0in 0in .0001pt 10.0pt;text-align:center;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="54%" valign="top" style="padding:0in .7pt .7pt .7pt;width:54.02%;">
<p align="center" style="margin:0in 0in .0001pt 10.0pt;text-align:center;text-indent:-10.0pt;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">UNITED STATES</font></b></p>    </td>
<td width="22%" valign="bottom" style="padding:0in .7pt .7pt .7pt;width:22.98%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="23%" valign="top" style="padding:0in .7pt .7pt .7pt;width:23.0%;">
<p align="center" style="margin:0in 0in .0001pt 10.0pt;text-align:center;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="54%" valign="top" style="padding:0in .7pt .7pt .7pt;width:54.02%;">
<p align="center" style="margin:0in 0in .0001pt 10.0pt;text-align:center;text-indent:-10.0pt;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">SECURITIES AND   EXCHANGE COMMISSION</font></b></p>    </td>
<td width="22%" valign="top" style="padding:0in .7pt .7pt .7pt;width:22.98%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="23%" valign="top" style="padding:0in .7pt .7pt .7pt;width:23.0%;">
<p align="center" style="margin:0in 0in .0001pt 10.0pt;text-align:center;text-indent:-10.0pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="54%" valign="top" style="padding:0in .7pt .7pt .7pt;width:54.02%;">
<p align="center" style="margin:0in 0in .0001pt 10.0pt;text-align:center;text-indent:-10.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Washington, D.C. 20549</font></b></p>    </td>
<td width="22%" valign="bottom" style="padding:0in .7pt .7pt .7pt;width:22.98%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>   </tr>
<tr>
<td width="23%" valign="top" style="padding:0in .7pt .7pt .7pt;width:23.0%;">
<p align="center" style="margin:0in 0in .0001pt 10.0pt;text-align:center;text-indent:-10.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="54%" valign="top" style="padding:0in .7pt .7pt .7pt;width:54.02%;">
<p align="center" style="margin:0in 0in .0001pt 10.0pt;text-align:center;text-indent:-10.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="22%" valign="bottom" style="padding:0in .7pt .7pt .7pt;width:22.98%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>   </tr>
<tr height="19" style="height:.2in;">
<td width="23%" height="19" valign="top" style="height:.2in;padding:0in .7pt .7pt .7pt;width:23.0%;">
<p align="center" style="margin:0in 0in .0001pt 10.0pt;text-align:center;text-indent:-10.0pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="54%" height="19" valign="top" style="height:.2in;padding:0in .7pt .7pt .7pt;width:54.02%;">
<p align="center" style="margin:0in 0in .0001pt 10.0pt;text-align:center;text-indent:-10.0pt;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">SCHEDULE 13D</font></b></p>    </td>
<td width="22%" height="19" valign="bottom" style="height:.2in;padding:0in .7pt .7pt .7pt;width:22.98%;">
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Under the Securities Exchange Act of 1934 <br> (Amendment No. 11)*</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="3" face="Times New Roman" style="font-size:12.0pt;">&nbsp;</font></p>
<div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in;">
<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">Otter Tail Corporation</font></b></p>
</div>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Name of Issuer)</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="3" face="Times New Roman" style="font-size:12.0pt;">&nbsp;</font></p>
<div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in;">
<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Common Shares, par value $5.00 per share</font></b></p>
</div>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Title of Class of Securities)</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="3" face="Times New Roman" style="font-size:12.0pt;">&nbsp;</font></p>
<div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in;">
<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">689648103</font></b></p>
</div>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(CUSIP Number)</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in;">
<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Jacki Badal, Esq.</font></b></p>
<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">2365 Carillon Point</font></b></p>
<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Kirkland, WA 98033</font></b></p>
<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(425) 889-7900</font></b></p>
</div>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Name, Address and Telephone Number of Persons<br> Authorized to Receive Notices and Communications)</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="3" face="Times New Roman" style="font-size:12.0pt;">&nbsp;</font></p>
<div style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 1.0pt 0in;">
<p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">February 20, 2020</font></b></p>
</div>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Date of Event Which Requires Filing of this Statement)<br><br></font></p>
<p style="margin:0in .5in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of &#167;&#167;240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. </font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>
<p style="margin:5.0pt .5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Note</font></b><font size="2" style="font-size:10.0pt;">: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties to whom copies are to be sent. </font></p>
<p style="margin:5.0pt .5in;"><font size="1" face="Times New Roman" style="font-size:6.5pt;position:relative;top:-3.0pt;">*</font><font size="2" style="font-size:10.0pt;">&#160;The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. </font></p>
<p style="margin:0in .5in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The information required on the remainder of this cover page shall not be deemed to be &quot;filed&quot; for the purpose of Section 18 of the Securities Exchange Act of 1934 (&quot;Act&quot;) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).</font></p>
<p style="margin:0in .5in .0001pt;"><font size="3" face="Times New Roman" style="font-size:12.0pt;">&nbsp;</font></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade align="left" style="color:#010101;"></div>
</div>
<!-- SEQ.=1,FOLIO='',FILE='C:\JMS\108202\20-10756-1\task9618894\10756-1-ba.htm',USER='108202',CD='Feb 25 02:42 2020' -->

<div style="page-break-before:always;"></div>
<div style="font-family:Times New Roman;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div align="center">
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="100%" colspan="6" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">CUSIP   No.&nbsp; </font><font size="2" style="font-size:10.0pt;">&nbsp;689648103</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Names of Reporting Persons<br>   Cascade Investment, L.L.C.</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.</font></p>    </td>
<td width="91%" colspan="4" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the   Appropriate Box if a Member of a Group (See Instructions)</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="8%" colspan="3" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:8.36%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)</font></p>    </td>
<td width="82%" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:82.74%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="8%" colspan="3" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:8.36%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)</font></p>    </td>
<td width="82%" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:82.74%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">SEC Use   Only </font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Source of   Funds (See Instructions)<br>    </font><font size="2" style="font-size:10.0pt;">WC</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check if Disclosure of Legal   Proceedings Is Required Pursuant to Items 2(d) or (e)&nbsp; </font><font size="2" style="font-size:10.0pt;">&nbsp;&nbsp;&nbsp;</font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">6.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Citizenship or Place of   Organization<br>    </font><font size="2" style="font-size:10.0pt;">State of Washington</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="12%" colspan="3" rowspan="7" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:12.04%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Number of<br>   Shares<br>   Beneficially<br>   Owned by<br>   Each<br>   Reporting<br>   Person With</font></p>    </td>
<td width="4%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:4.46%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">7.</font></p>    </td>
<td width="83%" colspan="2" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:83.5%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Sole   Voting Power <br>    </font><font size="2" style="font-size:10.0pt;">3,456,499   </font><font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">(1)</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="87%" colspan="3" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:87.96%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="4%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:4.46%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8.</font></p>    </td>
<td width="83%" colspan="2" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:83.5%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Shared   Voting Power</font><font size="2" style="font-size:10.0pt;">  <br>   -0-</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="87%" colspan="3" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:87.96%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="4%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:4.46%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">9.</font></p>    </td>
<td width="83%" colspan="2" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:83.5%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Sole   Dispositive Power</font><font size="2" style="font-size:10.0pt;">  <br>   3,456,499 </font><font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">(1)</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="87%" colspan="3" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:87.96%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="4%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:4.46%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.</font></p>    </td>
<td width="83%" colspan="2" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:83.5%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Shared Dispositive Power</font><font size="2" style="font-size:10.0pt;">  <br>   -0-</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">11.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Aggregate   Amount Beneficially Owned by Each Reporting Person</font><font size="2" style="font-size:10.0pt;">  <br>   3,456,499 </font><font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">(1)</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">12.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check if   the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)</font><font size="2" style="font-size:10.0pt;">&nbsp;&nbsp; </font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">13.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Percent   of Class Represented by Amount in Row (11)</font><font size="2" style="font-size:10.0pt;">  <br>   8.6% </font><font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">(2)</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">14.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Type of   Reporting Person (See Instructions)</font><font size="2" style="font-size:10.0pt;"><br>   OO</font></p>    </td>   </tr>
<tr height="0">
<td width="23" style="border:none;"></td>
<td width="40" style="border:none;"></td>
<td width="22" style="border:none;"></td>
<td width="32" style="border:none;"></td>
<td width="5" style="border:none;"></td>
<td width="586" style="border:none;"></td>   </tr> </table>
</div>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div style="margin:0in 0in .0001pt;"><hr size="1" width="25%" noshade align="left" style="color:black;"></div>
<p style="margin:0in 0in .0001pt 13.7pt;text-indent:-13.7pt;"><font size="1" face="Times New Roman" style="font-size:6.5pt;position:relative;top:-3.0pt;">(1)</font><font size="2" style="font-size:10.0pt;">&#160; All of the common shares, $5.00 par value per share (the &#147;Common Shares&#148;), of Otter Tail Corporation (the &#147;Issuer&#148;) held by Cascade Investment, L.L.C. (&#147;Cascade&#148;), may be deemed to be beneficially owned by William H. Gates III as the sole member of Cascade.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 13.5pt;text-indent:-13.5pt;"><font size="1" face="Times New Roman" style="font-size:6.5pt;position:relative;top:-3.0pt;">(2)</font><font size="2" style="font-size:10.0pt;">&#160; Based on 40,214,375 Common Shares outstanding as of February&nbsp;6, 2020, as reported on the Issuer&#146;s Form&nbsp;10-K filed on February&nbsp;20, 2020.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" style="font-size:10.0pt;">2</font><a name="PB_2_174413_5335"></a></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade align="left" style="color:#010101;"></div>
</div>
<!-- SEQ.=1,FOLIO='2',FILE='C:\JMS\108202\20-10756-1\task9618894\10756-1-ba.htm',USER='108202',CD='Feb 25 02:42 2020' -->

<div style="page-break-before:always;"></div>
<div style="font-family:Times New Roman;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div align="center">
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="100%" colspan="6" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">CUSIP   No.&nbsp; </font><font size="2" style="font-size:10.0pt;">&nbsp;689648103</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Names of Reporting Persons<br>   William H. Gates III</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.</font></p>    </td>
<td width="91%" colspan="4" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the   Appropriate Box if a Member of a Group (See Instructions)</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="8%" colspan="3" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:8.36%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)</font></p>    </td>
<td width="82%" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:82.74%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="8%" colspan="3" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:8.36%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)</font></p>    </td>
<td width="82%" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:82.74%;">
<p style="margin:4.0pt 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">SEC Use   Only </font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Source of   Funds (See Instructions)<br>    </font><font size="2" style="font-size:10.0pt;">WC</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check if Disclosure of Legal   Proceedings Is Required Pursuant to Items 2(d) or (e)&nbsp; </font><font size="2" style="font-size:10.0pt;">&nbsp;&nbsp;&nbsp;</font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">6.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Citizenship or Place of   Organization<br>    </font><font size="2" style="font-size:10.0pt;">United States of America</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="12%" colspan="3" rowspan="7" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:12.04%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Number of<br>   Shares<br>   Beneficially<br>   Owned by<br>   Each<br>   Reporting<br>   Person With</font></p>    </td>
<td width="4%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:4.46%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">7.</font></p>    </td>
<td width="83%" colspan="2" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:83.5%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Sole   Voting Power <br>    </font><font size="2" style="font-size:10.0pt;">3,456,499   </font><font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">(1)</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="87%" colspan="3" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:87.96%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="4%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:4.46%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8.</font></p>    </td>
<td width="83%" colspan="2" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:83.5%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Shared   Voting Power</font><font size="2" style="font-size:10.0pt;">  <br>   -0-</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="87%" colspan="3" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:87.96%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="4%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:4.46%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">9.</font></p>    </td>
<td width="83%" colspan="2" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:83.5%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Sole   Dispositive Power</font><font size="2" style="font-size:10.0pt;">  <br>   3,456,499 </font><font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">(1)</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="87%" colspan="3" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:87.96%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr style="page-break-inside:avoid;">
<td width="4%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:4.46%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.</font></p>    </td>
<td width="83%" colspan="2" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:83.5%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Shared Dispositive Power</font><font size="2" style="font-size:10.0pt;">  <br>   -0-</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">11.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Aggregate   Amount Beneficially Owned by Each Reporting Person</font><font size="2" style="font-size:10.0pt;">  <br>   3,456,499 </font><font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">(1)</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">12.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check if   the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)</font><font size="2" style="font-size:10.0pt;">&nbsp;&nbsp; </font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">13.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Percent   of Class Represented by Amount in Row (11)</font><font size="2" style="font-size:10.0pt;">  <br>   8.6% </font><font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">(2)</font></p>    </td>   </tr>
<tr>
<td width="100%" colspan="6" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:100.0%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:3.32%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="5%" valign="top" style="padding:3.0pt 3.0pt 3.0pt 3.0pt;width:5.58%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">14.</font></p>    </td>
<td width="91%" colspan="4" style="border:none;border-bottom:solid windowtext 1.0pt;padding:3.0pt 3.0pt 3.0pt 3.0pt;width:91.1%;">
<p style="margin:4.0pt 0in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Type of   Reporting Person (See Instructions)</font><font size="2" style="font-size:10.0pt;"><br>   IN</font></p>    </td>   </tr>
<tr height="0">
<td width="23" style="border:none;"></td>
<td width="40" style="border:none;"></td>
<td width="22" style="border:none;"></td>
<td width="32" style="border:none;"></td>
<td width="5" style="border:none;"></td>
<td width="586" style="border:none;"></td>   </tr> </table>
</div>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div style="margin:0in 0in .0001pt;"><hr size="1" width="25%" noshade align="left" style="color:black;"></div>
<p style="margin:0in 0in .0001pt 13.7pt;text-indent:-13.7pt;"><font size="1" face="Times New Roman" style="font-size:6.5pt;position:relative;top:-3.0pt;">(1)</font><font size="2" style="font-size:10.0pt;">&#160; All of the common shares, $5.00 par value per share (the &#147;Common Shares&#148;), of Otter Tail Corporation (the &#147;Issuer&#148;) held by Cascade Investment, L.L.C. (&#147;Cascade&#148;), may be deemed to be beneficially owned by William H. Gates III as the sole member of Cascade.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 13.5pt;text-indent:-13.5pt;"><font size="1" face="Times New Roman" style="font-size:6.5pt;position:relative;top:-3.0pt;">(2)</font><font size="2" style="font-size:10.0pt;">&#160; Based on 40,214,375 Common Shares outstanding as of February&nbsp;6, 2020, as reported on the Issuer&#146;s Form&nbsp;10-K filed on February&nbsp;20, 2020.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" style="font-size:10.0pt;">3</font><font size="2"><a name="PB_3_174413_5796"></a></font></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade align="left" style="color:#010101;"></div>
</div>
<!-- SEQ.=1,FOLIO='3',FILE='C:\JMS\108202\20-10756-1\task9618894\10756-1-ba.htm',USER='108202',CD='Feb 25 02:42 2020' -->

<div style="page-break-before:always;"></div>
<div style="font-family:Times New Roman;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">EXPLANATORY STATEMENT</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This Amendment No.&nbsp;11 to Schedule 13D (&#147;Amendment&#148;) amends and supplements the Schedule 13D previously filed by Cascade Investment, L.L.C. (&#147;Cascade&#148;) and William H. Gates III (together, the &#147;Reporting Persons&#148;) with the Securities and Exchange Commission on January&nbsp;22, 2009, as amended April&nbsp;15, 2009; May&nbsp;5, 2009; July&nbsp;2, 2009; October&nbsp;7, 2009; June&nbsp;29, 2010; August&nbsp;3, 2010; November&nbsp;4, 2011; December&nbsp;13, 2011; January&nbsp;9, 2012; and July&nbsp;16, 2012, relating to the common shares, par value $5.00 per share (the &#147;Common Shares&#148;), of Otter Tail Corporation (the &#147;Issuer&#148;).</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This Amendment is being filed due to an increase in the number of shares of Issuer Common Shares outstanding, which has reduced the Reporting Persons&#146; percentage of ownership, and not due to any dispositions by Cascade.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 2.&#160;&#160; Identity and Background</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)&#160;&#160; The present principal occupation of Mr.&nbsp;Gates disclosed in the Schedule 13D previously filed by the Reporting Persons is replaced as follows: Mr.&nbsp;Gates, a natural person, is a co-founder, technology advisor and board member of Microsoft Corporation; is the sole member of Cascade; and is a Co-Trustee of the Bill&nbsp;&amp; Melinda Gates Foundation Trust and the Bill&nbsp;&amp; Melinda Gates Foundation.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 5.&#160;&#160; Interest in Securities of the Issuer</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)&#160;&#160; See items 11 and 13 of the cover pages&nbsp;to this Amendment for the aggregate number and percentage of Common Shares beneficially owned by each of the Reporting Persons as of February&nbsp;20, 2020.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)&#160;&#160; See items 7 through 10 of the cover pages&nbsp;to this Amendment for the number of shares of Common Shares beneficially owned by each of the Reporting Persons as to which there is sole power to vote or to direct the vote, shared power to vote or to direct the vote, and sole or shared power to dispose or to direct the disposition as of February&nbsp;20, 2020.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)&#160;&#160; None.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(d)&#160;&#160; None.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(e)&#160;&#160; Not applicable.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" style="font-size:10.0pt;">4</font><a name="PB_4_174413_2897"></a></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade align="left" style="color:#010101;"></div>
</div>
<!-- SEQ.=1,FOLIO='4',FILE='C:\JMS\108202\20-10756-1\task9618894\10756-1-ba.htm',USER='108202',CD='Feb 25 02:42 2020' -->

<div style="page-break-before:always;"></div>
<div style="font-family:Times New Roman;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURE</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">After reasonable inquiry and to the best of my knowledge and belief,&nbsp;I certify that the information set forth in this statement is true, complete and correct.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date:   &nbsp;February&nbsp;24, 2020</font></p>    </td>
<td width="51%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:51.66%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">CASCADE   INVESTMENT, L.L.C. </font><font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">(1)</font></p>    </td>   </tr>
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.32%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.32%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By</font></p>    </td>
<td width="48%" colspan="2" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:48.34%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">*</font></p>    </td>   </tr>
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.32%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.68%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:</font></p>    </td>
<td width="41%" valign="top" style="padding:0in 0in 0in 0in;width:41.66%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Alan   Heuberger </font><font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">(2)</font></p>    </td>   </tr>
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.32%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.68%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:</font></p>    </td>
<td width="41%" valign="top" style="padding:0in 0in 0in 0in;width:41.66%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Attorney-in-fact   for Michael Larson, Business Manager</font></p>    </td>   </tr>
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.32%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="51%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:51.66%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">WILLIAM   H. GATES III </font><font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">(1)</font></p>    </td>   </tr>
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.32%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.32%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By</font></p>    </td>
<td width="48%" colspan="2" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:48.34%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">*</font></p>    </td>   </tr>
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.32%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.68%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:</font></p>    </td>
<td width="41%" valign="top" style="padding:0in 0in 0in 0in;width:41.66%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Alan   Heuberger </font><font size="1" style="font-size:6.5pt;position:relative;top:-3.0pt;">(3)</font></p>    </td>   </tr>
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.32%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.68%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:</font></p>    </td>
<td width="41%" valign="top" style="padding:0in 0in 0in 0in;width:41.66%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Attorney-in-fact</font></p>    </td>   </tr>
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.32%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.68%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="41%" valign="top" style="padding:0in 0in 0in 0in;width:41.66%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.32%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.68%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="41%" valign="top" style="padding:0in 0in 0in 0in;width:41.66%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">*By:</font></p>    </td>
<td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.32%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="48%" colspan="2" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/   Alan Heuberger</font></p>    </td>   </tr>
<tr>
<td width="48%" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.32%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="48%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:48.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Alan   Heuberger</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div style="margin:0in 0in .0001pt;"><hr size="1" width="25%" noshade align="left" style="color:black;"></div>
<p style="margin:0in 0in .0001pt 13.5pt;text-indent:-13.5pt;"><font size="1" face="Times New Roman" style="font-size:6.5pt;position:relative;top:-3.0pt;">(1)</font><font size="2" style="font-size:10.0pt;">&#160; This Amendment is being filed jointly by the Reporting Persons pursuant to the Joint Filing Agreement dated January&nbsp;21, 2009, and included with the signature page&nbsp;to the Reporting Persons&#146; Schedule 13D filed with respect to the Issuer on January&nbsp;22, 2009, SEC File No.&nbsp;005-06638, and incorporated by reference herein.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 13.5pt;text-indent:-13.5pt;"><font size="1" face="Times New Roman" style="font-size:6.5pt;position:relative;top:-3.0pt;">(2)</font><font size="2" style="font-size:10.0pt;">&#160; Duly authorized under Special Limited Power of Attorney appointing Alan Heuberger attorney-in-fact, dated October&nbsp;11, 2013, by and on behalf of Michael Larson, filed as Exhibit&nbsp;99.1 to Amendment No.&nbsp;9 to Cascade&#146;s Schedule 13D with respect to Western Asset/Claymore Inflation-Linked Opportunities&nbsp;&amp; Income Fund on December&nbsp;11, 2013, SEC File No.&nbsp;005-81261, and incorporated by reference herein.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt 13.5pt;text-indent:-13.5pt;"><font size="1" face="Times New Roman" style="font-size:6.5pt;position:relative;top:-3.0pt;">(3)</font><font size="2" style="font-size:10.0pt;">&#160; Duly authorized under Special Limited Power of Attorney appointing Alan Heuberger attorney-in-fact, dated August&nbsp;12, 2008, by and on behalf of William H. Gates III, filed as Exhibit&nbsp;99.2 to Amendment No.&nbsp;1 to Cascade&#146;s Schedule 13D with respect to the Issuer on April&nbsp;15, 2009, SEC File No.&nbsp;005-06638, and incorporated by reference herein.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" style="font-size:10.0pt;">5</font><a name="PB_5_174414_3020"></a></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade align="left" style="color:#010101;"></div>
</div>
<!-- SEQ.=1,FOLIO='5',FILE='C:\JMS\108202\20-10756-1\task9618894\10756-1-ba.htm',USER='108202',CD='Feb 25 02:42 2020' -->

</body>
</html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
