{\rtf1\ansi\ansicpg1252\uc1\deff0\deflang1033 {\colortbl\red0\green0\blue0;\red0\green0\blue10;\red128\green128\blue128;\red0\green0\blue255;\red255\green255\blue255;}{\fonttbl{\f2\fswiss Arial;}{\f1\fmodern Courier New;}{\f3\fdecor Symbol;}{\f0\froman Times New Roman;}{\f4\fnil Wingdings;}} {\info{\subject EDGAR Online Pro}{\version3}{\*\company EDGAR Online, a division of Donnelley Financial Solutions}{\author EDGAR Online HTML to RTF Converter. Version 3.0}{\*\category \0000764622-22-000003.html.ecq}{\doccomm Source: EDGAR Online, a division of Donnelley Financial Solutions \'a9 Copyright 2022. All rights reserved.}{\title PINNACLE WEST CAPITAL CORP (Form: 8-K, Received: 01/12/2022 16:22:03)}} \paperh15840\paperw12240\margl360\margr360\margt360\margb360\headery0\footery0\sprstsp\sprsbsp\sprsspbf\sprslnsp\widowctrl\viewscale100 {\*\bkmkstart BKMK_1}{\*\bkmkend BKMK_1}{\*\bkmkstart BKMK_2}{\*\bkmkend BKMK_2}{\*\bkmkstart BKMK_3}{\*\bkmkend BKMK_3}{\*\bkmkstart BKMK_4}{\*\bkmkend BKMK_4}\pard \sl-1 {\*\bkmkstart BKMK_5}{\*\bkmkend BKMK_5}\par \pard {\fs18 {}}\par {\trowd\trleft0\cellx134 \cellx11478 \cellx11520 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\clbrdrb\brdrs\brdrw36\brdrcf0\cellx11520 \pard \intbl\sl-1 \cell \row} {\*\bkmkstart BKMK_6}{\*\bkmkend BKMK_6}\pard \qc \sb90 {\fs18 {\fs32 UNITED STATES}}\par \pard \qc {\fs18 {\fs32 SECURITIES AND EXCHANGE COMMISSION}}\par \pard \qc {\fs18 {\fs22 WASHINGTON, DC 20549}{\fs22 \u160?}}\par \pard \qc {\fs18 {\u160?}}\par {\pard\sl-90\par} {\trowd\trleft0\cellx134 \cellx11478 \cellx11520 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\clbrdrb\brdrs\brdrw36\brdrcf0\cellx11520 \pard \intbl\sl-1 \cell \row} \pard \qc \sb144 {\fs18 {\fs32 FORM 8-K}{\fs22 \u160?}}\par \pard \qc {\fs18 {\u160?}}\par {\pard\sl-90\par} {\trowd\trleft0\cellx134 \cellx11478 \cellx11520 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\clbrdrb\brdrs\brdrw36\brdrcf0\cellx11520 \pard \intbl\sl-1 \cell \row} \pard \qc \sb144 {\fs18 {\fs22 CURRENT REPORT}}\par \pard \qc {\fs18 {\fs22 Pursuant to Section\u160?13 or 15(d) of the}}\par \pard \qc {\fs18 {\fs22 Securities Exchange Act of 1934}}\par {\trowd\trleft14\cellx138 \cellx715 \cellx757 \cellx1184 \cellx6775 \cellx7202 \cellx7453 \cellx9516 \cellx9767 \cellx9889 \cellx11458 \cellx11500 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft14\cellx757 \clvertalb\cellx7202 \clvertalb\cellx9767 \cellx11500 \pard \intbl\sl-1 \cell \pard \intbl\qr \li18\ri38 {\fs18 {\fs22 Date of report (Date of earliest event reported):}}\cell \pard \intbl\qr\vertalb \li18\ri38 {\fs18 {\nosupersub January 12, 2022}}\cell \pard \intbl\sl-1 \cell \row} {\pard\sl-90\par} {\trowd\trleft0\cellx134 \cellx11478 \cellx11520 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\clbrdrb\brdrs\brdrw36\brdrcf0\cellx11520 \pard \intbl\sl-1 \cell \row} {\pard\sl-90\par} {\trowd\trleft0\cellx409 \cellx1628 \cellx2037 \cellx2091 \cellx2290 \cellx2344 \cellx2665 \cellx3275 \cellx3596 \cellx3926 \cellx4963 \cellx5293 \cellx5702 \cellx6775 \cellx7184 \cellx7505 \cellx8609 \cellx8930 \cellx8972 \cellx9139 \cellx9181 \cellx9668 \cellx11033 \cellx11520 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\clvertalb\cellx2037 \clvertalb\cellx2344 \clbrdrb\brdrs\brdrw18\brdrcf0\clvertalb\cellx8930 \cellx9181 \clvertalb\cellx11520 \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs14\nosupersub Commission\u160?File\line Number}}\cell \pard \intbl\qc\vertalb \li18\ri38 {\fs18 {\fs2\nosupersub \u160?}}\cell \pard \intbl\qc\vertalb \li18\ri218 {\fs18 {\fs14\nosupersub Exact\u160?Name\u160?of\u160?Each\u160?Registrant\u160?as\u160?specified\u160?in\u160?its\line charter;\u160?State\u160?of\u160?Incorporation;\u160?Address;\u160?and\line Telephone\u160?Number}}\cell \pard \intbl\sl-1 \cell \pard \intbl\qc\vertalb \li18\ri38 {\fs18 {\fs14\nosupersub IRS\u160?Employer\line Identification\u160?No.}}\cell \row} {\trowd\trleft0\clbrdrt\brdrs\brdrw18\brdrcf0\cellx2037 \cellx2344 \clbrdrt\brdrs\brdrw18\brdrcf0\clvertalb\cellx8930 \cellx9181 \clbrdrt\brdrs\brdrw18\brdrcf0\cellx11520 \pard \intbl\qc \li18\ri38 {\fs18 {\fs21\nosupersub 1-8962}}\cell \pard \intbl \li18\ri38 {\fs18 {\fs21\nosupersub \u160?}}\cell \pard \intbl\vertalb \li18\ri218 {\fs18 {\fs21\nosupersub PINNACLE WEST CAPITAL CORPORATION}}\cell \pard \intbl\sl-1 \cell \pard \intbl\qc \li18\ri38 {\fs18 {\fs21\nosupersub 86-0512431}}\cell \row} {\trowd\trleft0\cellx2037 \cellx2344 \clvertalb\cellx8930 \cellx9181 \cellx11520 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri218 {\fs18 {\fs21\nosupersub (an Arizona corporation)}}\cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri218 {\fs18 {\fs21\nosupersub 400 North Fifth Street, P.O.\u160?Box 53999}}\cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\cellx2037 \cellx2344 \clvertalb\cellx3596 \clvertalb\cellx5293 \clvertalb\cellx7184 \cellx8930 \cellx9181 \cellx11520 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub Phoenix}}\cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs22\nosupersub Arizona}}\cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub 85072-3999}}\cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\cellx2037 \cellx2344 \clvertalb\cellx3596 \clvertalb\cellx5293 \cellx7184 \cellx8930 \cellx9181 \cellx11520 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\qr\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub (602)}}\cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub 250-1000}}\cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\cellx2037 \cellx2344 \clvertalb\cellx8930 \cellx9181 \cellx11520 \pard \intbl\qc \li18\ri38 {\fs18 {\fs21\nosupersub 1-4473}}\cell \pard \intbl \li18\ri38 {\fs18 {\fs21\nosupersub \u160?}}\cell \pard \intbl\vertalb \li18\ri218 {\fs18 {\fs21\nosupersub ARIZONA PUBLIC SERVICE COMPANY}}\cell \pard \intbl\sl-1 \cell \pard \intbl\qc \li18\ri38 {\fs18 {\fs21\nosupersub 86-0011170}}\cell \row \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri218 {\fs18 {\fs21\nosupersub (an Arizona corporation)}}\cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri218 {\fs18 {\fs21\nosupersub 400 North Fifth Street, P.O.\u160?Box 53999}}\cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\cellx2037 \cellx2344 \clvertalb\cellx3596 \clvertalb\cellx5293 \clvertalb\cellx7184 \cellx8930 \cellx9181 \cellx11520 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub Phoenix}}\cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs22\nosupersub Arizona}}\cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub 85072-3999}}\cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\cellx2037 \cellx2344 \clvertalb\cellx3596 \clvertalb\cellx5293 \cellx7184 \cellx8930 \cellx9181 \cellx11520 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\qr\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub (602)}}\cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub 250-1000}}\cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} \pard \sb90 {\fs18 {}}\par \pard {\fs18 {\fs21 Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:}}\par {\trowd\trleft6\cellx130 \cellx442 \cellx496 \cellx1141 \cellx10864 \cellx11509 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft6\clvertalb\cellx496 \clvertalb\cellx11509 \pard \intbl\qr \li18\ri37 {\fs18 {\fs21 \u9744?}}\cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)}}\cell \row} {\trowd\trleft6\cellx496 \cellx11509 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft6\clvertalb\cellx496 \clvertalb\cellx11509 \pard \intbl\qr\vertalb \li18\ri37 {\fs18 {\fs21\nosupersub \u9744?}}\cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)}}\cell \row} {\trowd\trleft6\cellx496 \cellx11509 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft6\clvertalb\cellx496 \clvertalb\cellx11509 \pard \intbl\qr\vertalb \li18\ri37 {\fs18 {\fs21\nosupersub \u9744?}}\cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))}}\cell \row} {\trowd\trleft6\cellx496 \cellx11509 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft6\clvertalb\cellx496 \clvertalb\cellx11509 \pard \intbl\qr\vertalb \li18\ri37 {\fs18 {\fs21\nosupersub \u9744?}}\cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))}}\cell \row} \pard \sb90 {\fs18 {}}\par \pard {\fs18 {\fs21 Securities registered pursuant to Section 12(b) of the Act:}}\par {\pard\sl-90\par} {\trowd\trleft0\cellx257 \cellx3790 \cellx4047 \cellx4422 \cellx6507 \cellx6882 \cellx7303 \cellx11099 \cellx11520 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\clbrdrt\brdrs\brdrw18\brdrcf1\clbrdrl\brdrs\brdrw18\brdrcf1\cellx4047 \clbrdrt\brdrs\brdrw18\brdrcf1\clbrdrl\brdrs\brdrw18\brdrcf1\cellx6882 \clbrdrt\brdrs\brdrw18\brdrcf1\clbrdrl\brdrs\brdrw18\brdrcf1\clbrdrr\brdrs\brdrw18\brdrcf1\cellx11520 \pard \intbl\qc \li36\ri20 {\fs18 {\fs21 Title of each class}}\cell \pard \intbl\qc \li36\ri20 {\fs18 {\fs21 Trading Symbol(s)}}\cell \pard \intbl\qc \li36\ri20 {\fs18 {\fs21 Name of each exchange on which registered}}\cell \row} {\trowd\trleft0\clbrdrt\brdrs\brdrw18\brdrcf1\clbrdrl\brdrs\brdrw18\brdrcf1\clbrdrb\brdrs\brdrw18\brdrcf1\cellx4047 \clbrdrt\brdrs\brdrw18\brdrcf1\clbrdrl\brdrs\brdrw18\brdrcf1\clbrdrb\brdrs\brdrw18\brdrcf1\cellx6882 \clbrdrt\brdrs\brdrw18\brdrcf1\clbrdrl\brdrs\brdrw18\brdrcf1\clbrdrr\brdrs\brdrw18\brdrcf1\clbrdrb\brdrs\brdrw18\brdrcf1\cellx11520 \pard \intbl\qc \li36\ri20 {\fs18 {\fs21 Common Stock}}\cell \pard \intbl\qc \li36\ri20 {\fs18 {\fs21 PNW}}\cell \pard \intbl\qc \li36\ri20 {\fs18 {\fs21 The New York Stock Exchange}}\cell \row} \pard \sb90 {\fs18 {}}\par \pard {\fs18 {\fs21 Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR \u167?230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR \u167?240.12b-2).}}\par {\pard\sl-90\par} {\trowd\trleft0\cellx330 \cellx3410 \cellx3740 \cellx3807 \cellx4981 \cellx5035 \pard \intbl\sl-1\fi5184 \cell \pard \intbl\sl-1\fi5184 \cell \pard \intbl\sl-1\fi5184 \cell \pard \intbl\sl-1\fi5184 \cell \pard \intbl\sl-1\fi5184 \cell \pard \intbl\sl-1\fi5184 \cell \row} {\trowd\trleft0\clvertalb\cellx3740 \clvertalb\cellx5035 \pard \intbl\qr\fi5184 \li18\ri37 {\fs18 {\fs21 Emerging growth company}}\cell \pard \intbl\fi5184\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub \u9744?}}\cell \row} \pard \sb90 {\fs18 {}}\par \pard {\fs18 {\fs21 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.\u160?}{\fs21 \u168?}}\par \pard {\fs18 {}}\par \pard {\fs18 {\fs21 This combined Form 8-K is separately filed or furnished by Pinnacle West Capital Corporation and Arizona Public Service Company. Each registrant is filing or furnishing on its own behalf all of the information contained in this Form 8-K that relates to such registrant and, where required, its subsidiaries. Except as stated in the preceding sentence, neither registrant is filing or furnishing any information that does not relate to such registrant, and therefore makes no representation as to any such information.}}\par \pard \fi648 \sb216 {\fs18 {}}\par \pard \fi648 \sb216 {\fs18 {}}\par \pard \sb216 {\fs18 {}}\par \pard {\fs18 {}}\par \pard \sl-1 {\*\bkmkstart BKMK_7}{\*\bkmkend BKMK_7}\par \pard \li13\ri13\sb166 \brdrt\brdrs\brdrw13\brdrcf2\brdrr\brdrs\brdrw13\brdrcf2\brdrb\brdrs\brdrw13\brdrcf2\brdrl\brdrs\brdrw13\brdrcf2\sl-13\qc {\*\bkmkstart BKMK_8}{\*\bkmkend BKMK_8}\par \pard \pagebb {\fs18 {}}{\*\bkmkstart BKMK_9}{\*\bkmkend BKMK_9}{\*\bkmkstart BKMK_10}{\*\bkmkend BKMK_10}\par \pard {\fs18 {\fs21 Item 7.01\u160?\u160?\u160?\u160?Regulation FD Disclosure.}}\par \pard {\fs18 {}}\par \pard \fi648 {\fs18 {\fs21 Pinnacle West Capital Corporation (\u8220?Pinnacle West\u8221?) will be participating in various meetings with securities analysts and investors in January 2022 and will be utilizing handouts during those meetings. Copies of the handouts are attached hereto as Exhibit 99.1.}}\par \pard {\fs18 {}}{\*\bkmkstart BKMK_11}{\*\bkmkend BKMK_11}{\*\bkmkstart BKMK_12}{\*\bkmkend BKMK_12}\par \pard {\fs18 {\fs21 Item\u160?9.01\u160?\u160?\u160?\u160?Financial Statements and Exhibits.}}\par \pard {\fs18 {}}{\*\bkmkstart BKMK_13}{\*\bkmkend BKMK_13}\par \pard {\fs18 {\fs21 \u160?\u160?\u160?\u160?(d)\u160?\u160?\u160?\u160?Exhibits}}\par {\trowd\trleft0\cellx290 \cellx1393 \cellx1683 \cellx2210 \cellx3879 \cellx4406 \cellx4875 \cellx10528 \cellx10997 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\clvertalb\cellx1683 \clvertalb\cellx4406 \clvertalb\cellx10997 \pard \intbl\qc\vertalb \li18\ri37 {\fs18 {\fs21\nosupersub Exhibit No.}}\cell \pard \intbl\qc\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub Registrant(s)}}\cell \pard \intbl\qc\vertalb \li18\ri38 {\fs18 {\fs21\nosupersub Description}}\cell \row} {\trowd\trleft0\clbrdrt\brdrs\brdrw18\brdrcf0\cellx1683 \clbrdrt\brdrs\brdrw18\brdrcf0\cellx4406 \clbrdrt\brdrs\brdrw18\brdrcf0\cellx10997 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\cellx1683 \cellx4406 \cellx10997 \pard \intbl\qc \li18\ri37 {\fs18 {\fs21\nosupersub 99.1}}\cell \pard \intbl\qc \li18\ri38 {\fs18 {\fs21\nosupersub Pinnacle West\line Arizona Public\line Service Company}}\cell \pard \intbl \li18\ri38 {\fs18 {\cf3\ul {\field\fldedit{\*\fldinst { HYPERLINK "" \\l "BKMK_14"}}{\fldrslt\ul {Pinnacle West handouts for use at meetings in January 2022}}}}}\cell \row \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row \pard \intbl\qc \li18\ri37 {\fs18 {\fs21\nosupersub 104}}\cell \pard \intbl\qc \li18\ri38 {\fs18 {\fs21\nosupersub Pinnacle West\line Arizona Public\line Service Company}}\cell \pard \intbl \li18\ri38 {\fs18 {\fs22\nosupersub 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)}}\cell \row} \pard \sb90 {\fs18 {}}\par \pard {\fs18 {}}\par \pard {\fs18 {}}\par \pard {\fs18 {}}\par \pard {\fs18 {}}\par \pard \sl-1 {\*\bkmkstart BKMK_15}{\*\bkmkend BKMK_15}\par \pard \li13\ri13\sb166 \brdrt\brdrs\brdrw13\brdrcf2\brdrr\brdrs\brdrw13\brdrcf2\brdrb\brdrs\brdrw13\brdrcf2\brdrl\brdrs\brdrw13\brdrcf2\sl-13\qc {\*\bkmkstart BKMK_16}{\*\bkmkend BKMK_16}\par \pard \pagebb {\fs18 {}}{\*\bkmkstart BKMK_17}{\*\bkmkend BKMK_17}\par \pard \qc \sb216 {\fs18 {\fs22 SIGNATURES}}\par \pard \qc \sb54 {\fs18 {}}\par \pard \qc {\fs18 {}}\par \pard \qj {\fs18 {\fs22 \u160?\u160?\u160?\u160?Pursuant to the requirements of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.}}\par \pard {\fs18 {}}\par \pard {\fs18 {\fs22 \u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?}}\par {\pard\sl-90\par} {\trowd\trleft0\cellx551 \cellx2125 \cellx2676 \cellx2727 \cellx2889 \cellx2940 \cellx3739 \cellx6369 \cellx7168 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\cellx2676 \cellx2940 \clvertalb\cellx7168 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs22\nosupersub PINNACLE WEST CAPITAL CORPORATION}}\cell \row \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs22\nosupersub (Registrant)}}\cell \row} {\trowd\trleft0\cellx2676 \cellx2940 \cellx7168 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\clvertalb\cellx2676 \cellx2940 \clvertalb\cellx7168 \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs22\nosupersub Dated:January 12, 2022}}\cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs22\nosupersub By: /s/ Theodore N. Geisler}}\cell \row} {\trowd\trleft0\cellx2676 \cellx2940 \clbrdrt\brdrs\brdrw18\brdrcf0\clvertalb\cellx7168 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs22\nosupersub Theodore N. Geisler}}\cell \row} {\trowd\trleft0\cellx2676 \cellx2940 \clvertalb\cellx7168 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs22\nosupersub Senior Vice President and}}\cell \row \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs22\nosupersub Chief Financial Officer}}\cell \row} {\trowd\trleft0\cellx2676 \cellx2940 \cellx7168 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\cellx2676 \cellx2940 \clvertalb\cellx7168 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs22\nosupersub ARIZONA PUBLIC SERVICE COMPANY}}\cell \row \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs22\nosupersub (Registrant)}}\cell \row} {\trowd\trleft0\cellx2676 \cellx2940 \cellx7168 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \row} {\trowd\trleft0\clvertalb\cellx2676 \cellx2940 \clvertalb\cellx7168 \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs22\nosupersub Dated: January 12, 2022}}\cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs22\nosupersub By: /s/ Theodore N. Geisler\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?\u160?}}\cell \row} {\trowd\trleft0\cellx2676 \cellx2940 \clbrdrt\brdrs\brdrw18\brdrcf0\clvertalb\cellx7168 \pard \intbl\sl-1 \cell \pard \intbl\sl-1 \cell \pard \intbl\vertalb \li18\ri38 {\fs18 {\fs22\nosupersub Theodore N. 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