<SEC-DOCUMENT>0000067716-23-000080.txt : 20230621
<SEC-HEADER>0000067716-23-000080.hdr.sgml : 20230621
<ACCEPTANCE-DATETIME>20230621144901
ACCESSION NUMBER:		0000067716-23-000080
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20221231
FILED AS OF DATE:		20230621
DATE AS OF CHANGE:		20230621

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MDU RESOURCES GROUP INC
		CENTRAL INDEX KEY:			0000067716
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				301133956
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03480
		FILM NUMBER:		231029433

	BUSINESS ADDRESS:	
		STREET 1:		1200 WEST CENTURY AVENUE
		CITY:			BISMARCK
		STATE:			ND
		ZIP:			58503
		BUSINESS PHONE:		701-530-1000

	MAIL ADDRESS:	
		STREET 1:		1200 WEST CENTURY AVENUE
		CITY:			BISMARCK
		STATE:			ND
		ZIP:			58503

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MONTANA DAKOTA UTILITIES CO
		DATE OF NAME CHANGE:	19850429
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>a2022form11-k.htm
<DESCRIPTION>MDU RESOURCES FORM 11-K
<TEXT>
<html><head>
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<title>Document</title></head><body><div id="ifccd666852344786b482554954de2c18_1"></div><div style="min-height:54pt;width:100%"><div><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">UNITED STATES SECURITIES AND EXCHANGE COMMISSION</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">WASHINGTON, D.C. 20549</font></div><div style="margin-top:11pt;text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:18pt;font-weight:700;line-height:120%">FORM 11-K</font></div><div style="margin-top:10pt;text-align:center"><font style="color:#000000;font-family:'Wingdings',sans-serif;font-size:9pt;font-weight:400;line-height:140%">&#253;</font><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:140%"> ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</font></div><div style="margin-bottom:3pt;text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:140%">For the fiscal year ended December 31, 2022</font></div><div style="margin-top:10pt;text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:140%">OR</font></div><div style="margin-top:10pt;text-align:center"><font style="color:#000000;font-family:'Wingdings',sans-serif;font-size:9pt;font-weight:400;line-height:140%">o</font><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:140%"> TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For the transition period from ______________ to ________________</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:140%">Commission file number 1-03480</font></div><div style="margin-top:11pt;text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:18pt;font-weight:700;line-height:120%">MDU RESOURCES GROUP, INC.</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:18pt;font-weight:700;line-height:120%">401(k) RETIREMENT PLAN</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(Full title of the plan)</font></div><div style="margin-top:24pt;text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:14pt;font-weight:700;line-height:120%">MDU RESOURCES GROUP INC</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(Name of issuer of securities held pursuant to the plan)</font></div><div style="margin-top:24pt;text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">MDU RESOURCES GROUP, INC.</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">1200 WEST CENTURY AVENUE</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">P.O. BOX 5650</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">BISMARCK, NORTH DAKOTA 58506-5650</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(Address of the plan and address of the issuer&#8217;s principal executive offices)</font></div><div style="text-align:center"><font><br></font></div><div style="height:36pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div><div id="ifccd666852344786b482554954de2c18_4"></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:12pt;font-weight:700;line-height:120%;text-decoration:underline">CONTENTS</font></div><div style="padding-right:9pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:95.321%"><tr><td style="width:1.0%"></td><td style="width:89.237%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.563%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:9pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Required Information</font></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Page</font></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:0.5pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-right:9pt;text-indent:9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_7" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Report of Independent Registered Public Accounting Firm</a></font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:4.5pt;padding-right:4.5pt;text-align:center;text-indent:9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_7" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">1</a></font></div></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:9pt;text-indent:9pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Financial Statements&#58;</font></div></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:27pt;padding-right:9pt;text-indent:-9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_10" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Statements of Net Assets Available for Benefits - December 31, 2022 and 2021</a></font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:4.5pt;padding-right:4.5pt;text-align:center;text-indent:9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_10" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">2</a></font></div></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:27pt;padding-right:9pt;text-indent:-9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_13" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Statement of Changes in Net Assets Available for Benefits - Year Ended December 31, 2022</a></font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:4.5pt;padding-right:4.5pt;text-align:center;text-indent:9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_13" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">3</a></font></div></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:27pt;padding-right:9pt;text-indent:-9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_16" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Notes to Financial Statements</a></font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:4.5pt;padding-right:4.5pt;text-align:center;text-indent:9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_16" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">4</a></font></div></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:9pt;text-indent:9pt"><font style="color:#0000ff;font-family:'Trade Gothic Bold 2',sans-serif;font-size:9pt;font-weight:700;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_43" style="color:#0000ff;font-family:'Trade Gothic Bold 2',sans-serif;font-size:9pt;font-weight:700;line-height:100%;text-decoration:underline">Supplemental Schedules&#58;</a></font></div></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:27pt;padding-right:9pt;text-indent:-9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_46" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Schedule H, Line 4a - Schedule of Delinquent Participant Contributions - Year Ended December 31, 2022</a></font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:4.5pt;padding-right:4.5pt;text-align:center;text-indent:9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_46" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">11</a></font></div></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:27pt;padding-right:9pt;text-indent:-9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_49" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Schedule H, Line 4i - Schedule of Assets (Held at End of Year) as of December 31, 2022</a></font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:4.5pt;padding-right:4.5pt;text-align:center;text-indent:9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_49" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">12</a></font></div></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:9pt;text-indent:9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_52" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Exhibit Index</a></font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:4.5pt;padding-right:4.5pt;text-align:center;text-indent:9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_52" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">13</a></font></div></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:9pt;text-indent:9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_55" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Signature</a></font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:4.5pt;padding-right:4.5pt;text-align:center;text-indent:9pt"><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="#ifccd666852344786b482554954de2c18_55" style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">14</a></font></div></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-right:9pt;text-indent:9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Exhibit&#58;</font></div></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:27pt;padding-right:9pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Consent of Independent Registered Public Accounting Firm</font></div></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:33pt"><td colspan="3" style="padding:0 1pt"><div style="padding-left:27pt;padding-right:9pt;text-indent:-27pt"><font><br></font></div></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div><div id="ifccd666852344786b482554954de2c18_7"></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div><font><br></font></div></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Report of Independent Registered Public Accounting Firm</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:140%">To the Plan Administrator and Plan Participants of MDU Resources Group, Inc. 401(k) Retirement Plan&#58;</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:700;line-height:140%">Opinion on the Financial Statements</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:140%">We have audited the accompanying statement of net assets available for benefits of the MDU Resources Group, Inc. 401(k) Retirement Plan (the Plan) as of December 31, 2022 and 2021, and the related statement of changes in net assets available for benefits for year ended December 31, 2022, and the related notes and schedules (collectively referred to as the financial statements). In our opinion, the financial statements present fairly, in all material respects, the net assets available for benefits of the Plan as of December 31, 2022 and 2021, and the changes in net assets available for benefits for the year ended December 31, 2022, in conformity with accounting principles generally accepted in the United States of America.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:700;line-height:140%">Basis for Opinion</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:140%">These financial statements are the responsibility of the Plan's management. Our responsibility is to express an opinion on the Plan's financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Plan in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:140%">We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. </font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:140%">Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:700;line-height:140%">Supplemental Information</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:140%">The supplemental information in the accompanying schedules of (1) Schedule H, Line 4(a) - Schedule of Delinquent Participant Contributions for the year ended December 31, 2022, and (2) Schedule H, Line 4(i) - Schedule of Assets (Held at End of Year) as of December 31, 2022 has been subjected to audit procedures performed in conjunction with the audit of the Plan&#8217;s financial statements. The supplemental information is the responsibility of the Plan&#8217;s management. Our audit procedures included determining whether the supplemental information reconciles to the financial statements or the underlying accounting and other records, as applicable, and performing procedures to test the completeness and accuracy of the information presented in the supplemental information. In forming our opinion on the supplemental information, we evaluated whether the supplemental information, including its forms and content, is presented in conformity with the Department of Labor&#8217;s Rules and Regulations for Reporting and Disclosure under the Employee Retirement Income Security Act of 1974. In our opinion, the supplemental information is fairly stated, in all material respects, in relation to the financial statements as a whole.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#47;s&#47; Baker Tilly US, LLP</font></div><div><font><br></font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:140%">We have served as the Plan's auditor since 2008.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:140%">Minneapolis, Minnesota</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:117%">June 21, 2023</font></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">1</font></div></div></div><div id="ifccd666852344786b482554954de2c18_10"></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div><font><br></font></div></div><div><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">MDU Resources Group, Inc.</font></div><div><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">401(k) Retirement Plan</font></div><div><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Statements of Net Assets Available for Benefits</font></div><div style="margin-top:16pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:426.75pt"><tr><td style="width:1.0pt"></td><td style="width:270.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:75.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:75.25pt"></td><td style="width:1.0pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31,</font></td><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">2022</font></td><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2021</font></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Assets&#58;</font></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Investments&#58;</font></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Investments at fair value (Note 4)</font></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">$</font></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">1,132,468,824</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,374,715,615&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Fully benefit-responsive investment contract, at contract value (Note 3)</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">132,393,927</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">120,849,532&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;border-top:0.5pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Total investments</font></td><td colspan="2" style="background-color:#cceeff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">1,264,862,751</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#cceeff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="2" style="background-color:#cceeff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,495,565,147&#160;</font></td><td style="background-color:#cceeff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Receivables&#58;</font></td><td colspan="3" style="background-color:#ffffff;border-top:0.5pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:0.5pt solid #000000;padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Employer contributions</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">25,096,693</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">24,183,807&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade 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style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Notes receivable from participants</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">28,926,049</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">26,547,851&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Dividends</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">1,370,556</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,358,849&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other receivables</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">242,248</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Total receivables</font></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">56,858,015</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">53,287,229&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Cash</font></td><td colspan="2" style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">2</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="2" style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">34&#160;</font></td><td style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Total assets</font></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">1,321,720,768</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade 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1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,020&#160;</font></td><td style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Net assets available for benefits</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">$</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">1,321,720,768</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,548,851,390&#160;</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr></table></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">The accompanying notes are an integral part of these financial statements.</font></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">2</font></div></div></div><div id="ifccd666852344786b482554954de2c18_13"></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div style="text-align:center"><font><br></font></div><div><font><br></font></div></div><div><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:112%">MDU Resources Group, Inc.</font></div><div><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:112%">401(k) Retirement Plan</font></div><div><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:112%">Statement of Changes in Net Assets Available for Benefits</font></div><div><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Year ended December 31, 2022</font></div><div style="margin-top:16pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:342.00pt"><tr><td style="width:1.0pt"></td><td style="width:270.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:67.75pt"></td><td style="width:1.0pt"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Additions to Net Assets Attributed to&#58;</font></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Investment income&#58;</font></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 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7.75pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest and dividends</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">16,753,891</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;border-top:0.5pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Total investment income</font></td><td colspan="2" style="background-color:#cceeff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">22,206,570</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#cceeff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Interest income on notes receivable from participants</font></td><td colspan="2" 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style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Employers</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">50,095,156</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Participants</font></td><td 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2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">5,128,920</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Total contributions</font></td><td colspan="2" style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">119,798,299</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Total additions</font></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">143,264,104</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid 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Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">254,501,908</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Distributions to participants</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">115,443,324</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Administrative expenses</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">449,494</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Total deductions</font></td><td colspan="2" style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">370,394,726</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font 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1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">$</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:700;line-height:100%">1,321,720,768</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr></table></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">The accompanying notes are an integral part of these financial statements.</font></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">3</font></div></div></div><div id="ifccd666852344786b482554954de2c18_16"></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div><font><br></font></div></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">MDU Resources Group, Inc.</font></div><div><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">401(k) Retirement Plan</font></div><div><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Notes to Financial Statements</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:9pt;font-weight:700;line-height:120%">December 31, 2022 and 2021</font></div><div id="ifccd666852344786b482554954de2c18_19"></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%;text-decoration:underline">Note 1 - Description of the Plan</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:117%">The following description of the MDU Resources Group, Inc. 401(k) Retirement Plan (the Plan) provides only general information. Participants should refer to the Plan document for a more complete description of the Plan&#8217;s provisions.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">General</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:117%">The Plan, formerly the MDU Resources Group, Inc. Tax Deferred Compensation Savings Plan, was initially adopted by the Board of Directors of MDU Resources Group, Inc. (the Company) on August&#160;4, 1983, to be effective January&#160;1, 1984, as a defined contribution plan. On May&#160;25, 2006, the Plan designated the portion of the Plan invested in MDU Resources Group, Inc. Common Stock Fund as an Employee Stock Ownership Plan (ESOP).</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company and any of its direct or indirect subsidiaries that participate in the Plan are the Employers (the Employers). The fiscal year of the Plan is the calendar year. The Plan is subject to the provisions of the Employee Retirement Income Security Act of 1974 (ERISA), as amended.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Board of Directors of the Company may, at any time, amend or modify the Plan. The Company has delegated to the Employee Benefits Committee (the Committee) the authority to amend or modify the Plan&#59; however, certain amendments identified in the Plan document are subject to approval by the Board of Directors of the Company.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Although it has not expressed any intent to do so, the Board of Directors of the Company has the right under the Plan to discontinue its contributions, at any time, and to terminate the Plan subject to the provisions of ERISA. The Board of Directors or governing entities of any Employer may, at any time, terminate participation in the Plan with respect to such Employer. In the event of a Plan termination, participants would become 100&#160;percent vested in their employer contributions.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Committee is the Plan Administrator. The Committee consists of the Chief Financial Officer of the Company and other individuals appointed by the Chief Executive Officer of the Company who are employed by the Company or a subsidiary of the Company. The recordkeeper of the Plan is Principal Financial Group (the Recordkeeper). The trustee of the Plan is Principal Trust Company (the Trustee).</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Eligibility</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Generally, employees may participate in the Plan upon hire if they are at least 18&#160;years of age and a regular full-time employee or part-time employee credited with at least 1,000&#160;hours of service in a year. Eligible employees who are compensated for 960 hours or more through June 30, 2022, received a pro-rata allocation mid-year based on compensation paid through June 30, 2022. A Davis-Bacon employee, an individual who is subject to the Davis-Bacon Act, who is employed on an occasional or temporary basis and who otherwise meets the eligibility requirements shall become a participant upon the completion of one hour of service.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Deferral Contributions</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Plan allows a participant to contribute, by payroll deduction, any whole percentage not to exceed 75 percent of the participant's eligible compensation for each pay period up to a maximum pre-tax and&#47;or Roth deferral contribution of $20,500 for the 2022 Plan year. The Plan provides an automatic deferral election feature and an automatic deferral escalation feature, which increases the participant's deferral percentage by one percent annually until the participant's deferral percentage reaches 15&#160;percent, unless the participant opts out. Additionally, the Plan allows a participant who is eligible to make deferral contributions and will have attained age&#160;50&#160;before the close of the Plan year to make elective catch-up deferrals. The maximum catch-up deferral for 2022 was $6,500.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Employer Matching Contributions</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Each Employer may elect to provide matching contributions on behalf of participants employed by such Employer, equal to a percentage of such participant&#8217;s pre-tax and Roth deferral contributions up to a specified percent of the participant&#8217;s annual eligible compensation as provided under the Plan or as adopted by the Employer and approved by the Committee. All matching contributions are made in cash to the participant&#8217;s matching contribution account and invested as directed by the participant.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Profit Sharing&#47;Retirement Contributions</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Employer, in its sole discretion and subject to the Committee's approval, may make either profit sharing or retirement contributions, or both to the Plan on behalf of participants employed by that Employer. Participants may choose to invest profit sharing&#47;retirement contributions allocated to their individual accounts in any or all of the available investment options. Profit sharing&#47;retirement contributions totaling $30.7 million were credited to participant accounts for the year ended December&#160;31, 2022.</font></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">4</font></div></div></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div style="text-align:center"><font><br></font></div></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Rollover Contributions</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Plan accepts rollover contributions from eligible retirement plans, including after-tax employee contributions and designated Roth accounts.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Participant Accounts</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Employers remit all authorized contributions made by the participants to the Trustee to be held in trust and invested for the respective accounts of the participants, pursuant to the terms of a trust agreement effective April 1, 2020, as amended. Individual accounts are maintained for each participant of the Plan. Each participant&#8217;s account is credited with pre-tax deferral contributions, Roth deferral contributions, employer matching contributions, profit sharing&#47;retirement contributions, and rollover contributions, as applicable, and allocated investment earnings and losses.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Investment Options</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">An election is made by each participant to allocate contributions in one percent increments to any or all of the 27&#160;investment options available as of December&#160;31, 2022.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">If a participant does not specify how contributions to their account are to be invested, they will automatically be invested in the applicable T. Rowe Price Retirement Fund most closely aligned with the year the participant turns age 65.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Contributions to the MDU Resources Stock Fund are used by the Trustee to purchase shares of MDU Resources Group, Inc. common stock directly on the open market.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Vesting</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A participant&#8217;s interest in their pre-tax and Roth deferral accounts, matching contribution account, rollover account and ESOP account is at all times fully vested and nonforfeitable. Generally, a participant&#8217;s interest in a profit sharing&#47;retirement contribution account is 100&#160;percent vested after completing three years of service&#59; however, certain grandfathered vesting schedules are maintained due to plan mergers. Participants are 100&#160;percent vested in the dividends paid on the MDU Resources Common Stock Fund regardless of years of service. Participant accounts are valued on a daily basis.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Distributions and Withdrawals</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The amount credited to participant accounts shall become payable to the participant or the participant&#8217;s beneficiary&#47;beneficiaries, as applicable, upon death, retirement, disability or other termination of employment with the Employers. The distribution of such amounts will be in accordance with the Plan, based on the method of payment elected by the participant or designated beneficiary&#47;beneficiaries. Generally, the Plan allows for a single-sum distribution or flexible installments over a period of time, not to exceed nine years&#59; however, certain grandfathered distribution features are maintained due to plan mergers.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Distributions with respect to investment options other than the MDU Resources Stock Fund are in the form of cash. Distributions with respect to the MDU Resources Stock Fund may be in the form of cash or in the form of MDU Resources Group, Inc. common stock. Distributions of fractional shares are in the form of cash. Any MDU Resources Group, Inc. common stock included in a direct transfer to an individual retirement account or other qualified plan will be electronically transferred to the individual retirement account or to the qualified plan&#8217;s custodian. As of December 31, 2022 and 2021, there were $426,027 and $139,439, respectively, of distributions requested prior to year end but not paid until after year end.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A participant may make in-service withdrawals (hardship or age&#160;59&#160;1&#47;2) under certain conditions. Distributions from a participant&#8217;s rollover account may be elected at any time.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Notes Receivable from Participants</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A participant may be eligible to obtain a loan from the Plan. The minimum amount a participant can borrow is $1,000 and the maximum amount available for a loan is the lesser of $50,000 or one-half of the participant&#8217;s vested account balance, subject to certain limitations. Loans must be repaid over specified periods generally through payroll deduction and bear interest at a commercially reasonable rate in effect at the time the loan is made, as established by the Committee.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Forfeited Accounts</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Forfeited non-vested accounts are used to reinstate reemployed participant accounts, reduce employer contributions to the Plan and reduce administrative expenses incurred by the Plan. Forfeited non-vested accounts totaled approximately $107,000 and $280,000 at December&#160;31, 2022 and 2021, respectively. Approximately $1.1 million in forfeitures were used to reduce employer contributions for the year ended December&#160;31, 2022.</font></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">5</font></div></div></div><div id="ifccd666852344786b482554954de2c18_22"></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div style="text-align:center"><font><br></font></div></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%;text-decoration:underline">Note 2 - Summary of Significant Accounting Policies</font></div><div><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Basis of Accounting</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:117%">The financial statements of the Plan are maintained on an accrual basis.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (GAAP) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and changes therein, and disclosure of contingent assets and liabilities. Actual results could differ from those estimates.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Investment Valuation</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Investments held by the Plan are carried at fair value. The Plan&#8217;s common stock and mutual fund investment valuations, as determined by the Trustee, are based on published market quotations.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The fully benefit-responsive investment contract, the New York Life Insurance Anchor Account, is stated at contract value.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">There are two collective trust funds, the BlackRock U.S. Debt Index T Fund and the Loomis Sayles Core Plus Fixed Income Fund. Both funds are valued at fair value reported by the fund manager based on the underlying investments within each fund and are expressed in units representing the net asset value of each fund.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For more information on fair value measurements, see Note 4.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Notes Receivable from Participants</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Notes receivable from participants are measured at their unpaid principal balance plus any accrued interest. Delinquent notes receivable from participants are recorded as distributions based on the terms of the Plan document. There was no allowance for credit losses recorded at December 31, 2022 and 2021.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Benefit Payments</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Distributions to Plan participants are recorded when paid.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Contributions</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Employer and participant contributions are recorded by the Plan when received or determined to be receivable. Participant contributions are deposited with the Plan by the Employers through payroll reductions.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Excess Contributions Payable</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Plan is required to return contributions to participants in the event certain nondiscrimination tests and&#47;or contribution limits defined under the Code are not satisfied. At December 31, 2022 and 2021, liabilities of $0 and $1,020, respectively, were recorded for amounts refundable to Plan participants and were included in excess contributions payable in the accompanying statements of net assets available for benefits, as well as reduced the participant contributions in the statement of changes in net assets available for benefits.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Administrative Expenses</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Administrative expenses of the Plan related to Trustee, recordkeeping, legal and audit fees are paid primarily by the Employers. Administrative expenses of the Plan were approximately $449,000 for the year ended December&#160;31, 2022, including the MDU Resources Stock Fund commissions, loan fees and terminated participant account fees that were paid by participants through the Plan. Fees or commissions associated with each of the investment options other than the MDU Resources Stock Fund are paid primarily by participants as a deduction from the amount invested or an offset to investment earnings and were approximately $4.3&#160;million for the year ended December 31, 2022.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Risks and Uncertainties</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Investments, in general, are subject to various risks, including credit, interest rate and overall market volatility risks. Due to the level of risk associated with certain investment securities, it is likely that changes in values of investment securities will occur in the near term and that such changes could materially affect participants' account balances and the amounts reported in the statements of net assets available for benefits.</font></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">6</font></div></div></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div style="text-align:center"><font><br></font></div></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Concentration of Investments</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following presents investments that represent 10 percent or more of the Plan&#8217;s net assets available for benefits at December&#160;31&#58;</font></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:456.00pt"><tr><td style="width:1.0pt"></td><td style="width:220.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:70.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:42.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:70.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:42.25pt"></td><td style="width:1.0pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">2022</font></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">2021</font></td></tr><tr style="height:23pt"><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">Amount</font></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">Percent of net assets</font></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Amount</font></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Percent of net assets</font></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">MDU Resources Stock Fund*</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">$</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">186,889,222</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">14</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">%</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">191,546,430&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">13&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">%</font></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">New York Life Insurance Anchor Account</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">132,393,927</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">10</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">%</font></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;border-bottom:0.5pt solid #000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Institutional Large Cap Growth Fund</font></td><td colspan="3" style="background-color:#ffffff;border-bottom:0.5pt solid #000;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">**</font></td><td colspan="3" style="background-color:#ffffff;border-bottom:0.5pt solid #000;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">**</font></td><td colspan="2" style="background-color:#ffffff;border-bottom:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">162,678,724&#160;</font></td><td style="background-color:#ffffff;border-bottom:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="2" style="background-color:#ffffff;border-bottom:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">11&#160;</font></td><td style="background-color:#ffffff;border-bottom:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">%</font></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">*&#160;&#160;&#160;&#160;Indicates a party-in-interest investment.</font></div><div style="padding-left:18pt;text-indent:-18pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">**&#160;&#160;&#160;&#160;Investment did not represent 10 percent or more of the Plan's net assets available for benefits.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Other</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Securities transactions are recorded on a trade date basis. Dividend income is recorded upon receipt and Interest income is recorded as earned.</font></div><div id="ifccd666852344786b482554954de2c18_25"></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%;text-decoration:underline">Note 3 - Investment Contract with Insurance Company</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Plan has a fully benefit-responsive investment contract with New York Life Insurance Company (NYL Insurance). NYL Insurance maintains the contributions in a pooled separate account, which is credited with earnings on the underlying investments and charged for participant withdrawals and administrative expenses. The contract is included in the financial statements at contract value. Contract value represents contributions made under the contract, plus interest and dividends credited, less participant withdrawals and administrative expenses. As of December 31, 2022 and 2021, the contract value of the traditional fully benefit-responsive contract with NYL Insurance was $132,393,927 and $120,849,532, respectively. Participants may ordinarily direct the withdrawal or transfer of all or a portion of their investment at contract value. The contract has certain restrictions that impact the ability to collect the full contract value. For example, withdrawals due to events initiated by the Company including, but not limited to, total or partial termination of the Plan, group lay-offs or early retirement incentives, may result in a penalty if these withdrawals exceed limitations defined in the contract. The Company believes that the occurrence of events that would cause the plan to transact at less than contract value is not probable. NYL Insurance may not terminate the contract at any amount less than contract value.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">NYL Insurance is contractually obligated to pay the principal and any interest and dividends that have been credited to the Plan. The crediting interest rate is based on a formula agreed upon with the issuer, but may not be less than zero&#160;percent. Such interest rates are reviewed not less frequently than quarterly nor more frequently than daily for resetting.</font></div><div id="ifccd666852344786b482554954de2c18_28"></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%;text-decoration:underline">Note 4 - Fair Value Measurements</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. The Financial Accounting Standards Board Accounting Standards Codification (ASC) establishes a hierarchy for grouping assets and liabilities, based on the significance of inputs. The asset's or liability's fair value measurement level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement. Valuation techniques used need to maximize the use of observable inputs and minimize the use of unobservable inputs. There are three levels of inputs that may be used to measure fair value&#58;</font></div><div style="margin-top:11pt;padding-left:36pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Level 1 - quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity can access at the measurement date&#59;</font></div><div style="margin-top:11pt;padding-left:36pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Level 2 - inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly&#59; or</font></div><div style="margin-top:11pt;padding-left:36pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Level 3 - unobservable inputs for the asset or liability.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The estimated fair values of the Plan's assets measured on a recurring basis are determined using the market approach and are corroborated using third-party market data. There have been no changes in the methodologies used at December 31, 2022.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Common stock&#58; Valued at the closing price reported on the active market on which the individual securities are traded.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Mutual funds&#58; Valued at the net asset value of shares held by the Plan based on published market quotations on active markets.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Collective trust funds&#58; Investments in the collective trust funds are valued at fair value reported by the fund managers based on the underlying investments within each fund and are expressed in units representing the net asset value of each fund. Due to the nature of these funds, there are no unfunded commitments or redemption restrictions.</font></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">7</font></div></div></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div style="text-align:center"><font><br></font></div></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The methods described above may produce a fair value calculation that may not be indicative of net realizable value or reflective of future fair values. Furthermore, while the valuation methods are considered appropriate and consistent with other market participants, the use of different methodologies or assumptions to determine the fair value of certain financial instruments could result in a different fair value measurement at the reporting date.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">All investments measured at net asset value in the tables that follow are invested in commingled funds, separate accounts or common collective trusts which do not have publicly quoted prices. The fair value of the commingled funds, separate accounts and common collective trusts are determined based on the net asset value of the underlying investments. The fair value of the underlying investments held by the commingled funds, separate accounts and common collective trusts is generally based on quoted prices in active markets.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Plan's assets measured at fair value were as follows&#58;</font></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:488.25pt"><tr><td style="width:1.0pt"></td><td style="width:168.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:84.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:72.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:76.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:76.75pt"></td><td style="width:1.0pt"></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Fair Value Measurements</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">at December 31, 2022, Using</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:54pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:0.5pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Quoted Prices in Active Markets for Identical Assets <br>(Level 1)</font></td><td colspan="3" style="border-top:0.5pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Significant Other Observable Inputs <br>(Level 2)</font></td><td colspan="3" style="border-top:0.5pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Significant Unobservable Inputs <br>(Level 3)</font></td><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Balance at December 31, 2022</font></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Assets&#58;</font></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Mutual funds</font></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">909,502,378&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">909,502,378&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Common stock</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">186,889,222&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">186,889,222&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 10pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Total assets in the fair value hierarchy</font></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,096,391,600&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,096,391,600&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:24pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Collective trust fund investments measured at net asset value (a)</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">36,077,224&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;border-top:0.5pt solid #000000;padding:2px 1pt 2px 10pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Total assets measured at fair value</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,096,391,600&#160;</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,132,468,824&#160;</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:27pt"><td colspan="15" style="background-color:#cceeff;border-bottom:1pt solid #000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:13.5pt;text-indent:-13.5pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(a)  In accordance with ASC 820 - </font><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-style:italic;font-weight:400;line-height:100%">Fair Value</font><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">, certain investments that were measured at net asset value per share (or its equivalent) have not been classified in the fair value hierarchy. The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the line items presented in the Statements of Net Assets Available for Benefits.</font></div></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div><div><font><br></font></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:488.25pt"><tr><td style="width:1.0pt"></td><td style="width:168.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:84.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:72.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:76.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:76.75pt"></td><td style="width:1.0pt"></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Fair Value Measurements</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">at December 31, 2021, Using</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:54pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:0.5pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Quoted Prices in Active Markets for Identical Assets <br>(Level 1)</font></td><td colspan="3" style="border-top:0.5pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Significant Other Observable Inputs <br>(Level 2)</font></td><td colspan="3" style="border-top:0.5pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Significant Unobservable Inputs <br>(Level 3)</font></td><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Balance at December 31, 2021</font></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Assets&#58;</font></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Mutual funds</font></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,137,571,435&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,137,571,435&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Common stock</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">191,546,430&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">191,546,430&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Total assets in the fair value hierarchy</font></div></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,329,117,865&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,329,117,865&#160;</font></td><td style="background-color:#ffffff;border-top:0.5pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:24pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Collective trust fund investments measured at net asset value (a)</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">45,597,750&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:9pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Total assets measured at fair value</font></div></td><td style="background-color:#ffffff;border-bottom:1pt solid #000;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,329,117,865&#160;</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:1pt solid #000;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:1pt solid #000;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:1pt solid #000;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,374,715,615&#160;</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:27pt"><td colspan="15" style="background-color:#cceeff;border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:13.5pt;text-indent:-13.5pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(a)  In accordance with ASC 820 - </font><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-style:italic;font-weight:400;line-height:100%">Fair Value</font><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:100%">, certain investments that were measured at net asset value per share (or its equivalent) have not been classified in the fair value hierarchy. The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the line items presented in the Statements of Net Assets Available for Benefits.</font></div></td></tr></table></div><div id="ifccd666852344786b482554954de2c18_31"></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%;text-decoration:underline">Note 5 - Federal Income Taxes</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Internal Revenue Service (IRS) has determined and informed the Company by a letter dated June&#160;6, 2017, that the Plan and related trust are designed for qualification as exempt from federal income taxes in accordance with applicable sections of the Internal Revenue Code. Although the Plan has been restated since the determination letter application was filed, the Company believes that the Plan is designed and is being operated in compliance with the applicable requirements of the Code.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">GAAP requires Plan management to evaluate tax positions taken by the Plan.&#160;The effects of an uncertain tax position are recognized in the financial statements when the position is more likely than not, based on the technical merits, to be sustained upon examination by the IRS.&#160;The Plan administrator has analyzed the tax positions taken by the Plan and has concluded that as </font></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">8</font></div></div></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div style="text-align:center"><font><br></font></div></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">of December 31, 2022 and 2021, there are no uncertain positions taken or expected to be taken and no interest or penalties related to uncertain tax positions.&#160;The Plan is subject to routine audits by taxing jurisdictions.</font></div><div id="ifccd666852344786b482554954de2c18_34"></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%;text-decoration:underline">Note 6 - Related-Party and Party-In-Interest Transactions</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">At December 31, 2022 and 2021, the Plan held 6,159,829 and 6,210,974 shares, respectively, of common stock of MDU Resources Group, Inc., the plan sponsor, with a cost basis of $153,324,401 and $145,717,446, respectively. These shares qualify as exempt party-in-interest transactions and are allowable under ERISA. The market value of these shares totaled $186,889,222 and $191,546,430 at December 31, 2022 and 2021, respectively. Shares of the plan sponsor were bought and sold in the open market at quoted fair market values at the date of purchase and sale.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Plan allows participants to borrow from their fund accounts and, therefore, these transactions qualify as party-in-interest. Notes receivable from participants were $28,926,049 and $26,547,851 as of December 31, 2022 and 2021, respectively.</font></div><div id="ifccd666852344786b482554954de2c18_37"></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%;text-decoration:underline">Note 7 - Prohibited Transactions</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">There were no nonexempt prohibited transactions, other than those listed in Schedule H, Line 4a, Schedule of Delinquent Participant Contributions, with respect to the Plan during the year ended December&#160;31, 2022.</font></div><div id="ifccd666852344786b482554954de2c18_40"></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%;text-decoration:underline">Note 8 - Reconciliation of the Financial Statements to the Form 5500</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following is a reconciliation of net assets available for benefits per the financial statements to the Form 5500&#58;</font></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:390.00pt"><tr><td style="width:1.0pt"></td><td style="width:238.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:73.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:73.00pt"></td><td style="width:1.0pt"></td></tr><tr style="height:14pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">December 31,</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">2022</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">2021</font></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Net assets available for benefits per the financial statements</font></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">$</font></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">1,321,720,768</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,548,851,390&#160;</font></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Deemed distributions</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">(106,014)</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">(83,451)</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Defaulted loans</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">(346,349)</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">(336,224)</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Net assets available for benefits per the Form 5500</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">$</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">1,321,268,405</font><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#160;</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,548,431,715&#160;</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="margin-top:6pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following is a reconciliation of the changes in net assets available for benefits per the financial statements to the Form 5500 for the year ended December 31, 2022&#58;</font></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:369.75pt"><tr><td style="width:1.0pt"></td><td style="width:298.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:67.75pt"></td><td style="width:1.0pt"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Net decrease in net assets available for benefits per the financial statements</font></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">$</font></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">(227,130,622)</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Change in deemed distributions</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">(22,563)</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Change in defaulted loans</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">(10,125)</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Total net loss per the Form 5500</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">$</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:8.5pt;font-weight:700;line-height:100%">(227,163,310)</font></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div id="ifccd666852344786b482554954de2c18_521"></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%;text-decoration:underline">Note 9 - Subsequent Events</font></div><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Plan has evaluated the impact of events occurring after December 31, 2022, up to the date of issuance of these financial statements on June 21, 2023, that would require recognition or disclosure in the financial statements.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On May 3, 2023, the Company's board of directors approved the separation and the distribution of approximately 90 percent of the issued and outstanding shares of Knife River Corporation to the Company's stockholders. On May 31, 2023, the stockholders of the Company received one share of Knife River Corporation common stock for every four shares of the Company's common stock outstanding on May&#160;22, 2023, the record date for the distribution. The Company retained approximately 10&#160;percent of Knife River Corporation's common stock with the intent to dispose of such shares within twelve months after the separation. </font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In connection with the separation, the portion of the Plan attributable to Knife River Corporation and certain subsidiaries, including with respect to their active participants and vested terminated participants, was spun off into a separate plan, the Knife River Corporation 401(k) Retirement Plan, with assets transferring in-kind of approximately $600 million from the Plan to the Knife River Corporation 401(k) Retirement Plan effective May 1, 2023, or as soon as administratively practicable thereafter.</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Secure 2.0 Act of 2022 was signed into law on December 29, 2022. This legislation includes a vast array of provisional changes to retirement plans, becoming effective in 2023 and beyond. Plan management is evaluating the impact of the adoption and implementation of this legislation on the Plan.</font></div><div><font><br></font></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">9</font></div></div></div><div id="ifccd666852344786b482554954de2c18_43"></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div><font><br></font></div></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:18pt;font-weight:700;line-height:120%">SUPPLEMENTAL </font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:18pt;font-weight:700;line-height:120%">SCHEDULES</font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font><br></font></div><div><font><br></font></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">10</font></div></div></div><div id="ifccd666852344786b482554954de2c18_46"></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div style="text-align:center"><font><br></font></div><div><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">MDU Resources Group, Inc.</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">401(k) Retirement Plan</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Employer Identification Number (30-1133956) - Plan Number (004)</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Schedule H, Line 4a - Schedule of Delinquent Participant Contributions</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Year Ended December 31, 2022</font></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:447.00pt"><tr><td style="width:1.0pt"></td><td style="width:91.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:7.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:82.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:82.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:82.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:88.00pt"></td><td style="width:1.0pt"></td></tr><tr style="height:53pt"><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Participant Contributions Transferred Late to Plan</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Total that Constitute Nonexempt Prohibited Transactions</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:51pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:right"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Check here if Late Participant Loan Repayments are included&#58; </font><font style="color:#000000;font-family:'Wingdings',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">o</font></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Contributions Not Corrected</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Contributions Corrected Outside VFCP</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Contributions Pending Correction in VFCP</font></td><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Total Fully Corrected Under VFCP and PTE 2002-51</font></td></tr><tr style="height:15pt"><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,735&#160;</font></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="2" style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,735&#160;</font></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">&#8212;&#160;</font></td><td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">11</font></div></div></div><div id="ifccd666852344786b482554954de2c18_49"></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div style="text-align:center"><font><br></font></div><div><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">MDU Resources Group, Inc.</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">401(k) Retirement Plan</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Employer Identification Number (30-1133956) - Plan Number (004)</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Schedule H, Line 4i - Schedule of Assets (Held at End of Year)</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:11pt;font-weight:700;line-height:120%">December 31, 2022</font></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:486.75pt"><tr><td style="width:1.0pt"></td><td style="width:18.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:253.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:100.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:31.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:73.75pt"></td><td style="width:1.0pt"></td></tr><tr style="height:48pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">(a)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">(b) Identity of issue, borrower, lessor, or similar party</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">(c) Description of investments (number of shares)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">(d) Cost</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">(e) Current value</font></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:4.5pt;padding-right:4.5pt;text-align:center;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:120%">*</font></div></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 10pt;text-align:left;text-indent:-9pt;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:120%">MDU Resources Group, Inc. Common Stock Fund</font></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">6,159,829&#160;</font></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">186,889,222&#160;</font></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Mutual Funds&#58;</font></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">American Funds - EuroPacific Growth Fund</font></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">720,821&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">35,341,847&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Artisan Mid Cap Fund</font></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,251,977&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">41,891,146&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;text-indent:-9pt;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">BlackRock Inflation Protected Bond Fund</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,248,395&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">12,171,856&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">DFA International Value Portfolio Fund</font></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,083,507&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">19,264,757&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Dodge &#38; Cox Balanced Fund</font></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,055,756&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">98,554,863&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Fidelity Small Cap Index Fund</font></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">2,733,284&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">59,312,271&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Principal Diversified Real Asset Fund</font></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">243,588&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">2,677,035&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Institutional Large Cap Growth Fund</font></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">2,142,169&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">98,368,408&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price U.S. Equity Research Fund</font></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,327,736&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">48,196,817&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Retirement 2010 Fund</font></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">206,269&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">2,784,626&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Retirement 2015 Fund</font></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">355,995&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">3,997,821&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Retirement 2020 Fund</font></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,389,895&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">23,266,835&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Retirement 2025 Fund</font></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">3,470,619&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">50,740,449&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Retirement 2030 Fund</font></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">2,631,763&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">57,530,338&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Retirement 2035 Fund</font></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">3,121,754&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">53,319,564&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Retirement 2040 Fund</font></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,862,283&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">45,476,950&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Retirement 2045 Fund</font></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">3,628,448&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">62,663,297&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Retirement 2050 Fund</font></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,878,182&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">27,459,025&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Retirement 2055 Fund</font></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">2,002,257&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">30,494,378&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Retirement 2060 Fund</font></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">983,412&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">12,420,496&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 19pt;text-align:left;text-indent:-9pt;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Retirement 2065 Fund</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">133,958&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,307,434&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">T. Rowe Price Retirement Balanced Fund</font></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">436,759&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">5,219,274&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Vanguard Institutional Index Fund</font></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">363,905&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">117,042,891&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Collective Trust Funds&#58;</font></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">BlackRock U.S. Debt Index T Fund</font></div></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,132,874&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">23,011,964&#160;</font></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;text-indent:-9pt;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Loomis Sayles Core Plus Fixed Income Fund</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">869,279&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">13,065,260&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Fully Benefit-Responsive Investment Contract&#58;</font></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt;text-indent:-9pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">New York Life Insurance Anchor Account</font></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">132,393,927&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">**</font></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">132,393,927&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Total Investments</font></td><td colspan="3" style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,264,862,751&#160;</font></td><td style="background-color:#cceeff;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">*</font></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Participant Loan Funds ***</font></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">3.25% to 8.50%</font></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">0&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">28,473,686&#160;</font></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#cceeff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">$</font></td><td style="background-color:#cceeff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">1,293,336,437&#160;</font></td><td style="background-color:#cceeff;border-bottom:1pt solid #000000;border-top:0.5pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">*&#160;&#160;&#160;&#160;Indicates party-in-interest investment.</font></div><div style="padding-left:18pt;text-indent:-18pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">**&#160;&#160;&#160;&#160;Cost information is not required for participant-directed investments, therefore it is not included.</font></div><div style="padding-left:18pt;text-indent:-18pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">***&#160;&#160;&#160;&#160;Loan maturities range from February&#160;17, 2023 through October&#160;23, 2037.</font></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">12</font></div></div></div><div id="ifccd666852344786b482554954de2c18_52"></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div><font><br></font></div></div><div style="-sec-extract:summary;text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:12pt;font-weight:700;line-height:120%;text-decoration:underline">Exhibit Index</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following document is filed as part of this report&#58;</font></div><div style="margin-top:16pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:292.50pt"><tr><td style="width:1.0pt"></td><td style="width:48.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:240.25pt"></td><td style="width:1.0pt"></td></tr><tr style="height:33pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Exhibit Number</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">Exhibit Description</font></td></tr><tr style="height:15pt"><td colspan="3" style="border-top:0.5pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%">23</font></td><td colspan="3" style="border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><font style="color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="a2022form11-kex23.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Trade Gothic',sans-serif;font-size:8.5pt;font-weight:400;line-height:100%;text-decoration:underline">Consent of Independent Registered Public Accounting Firm</a></font></div></td></tr></table></div><div><font><br></font></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="-sec-extract:summary;text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">13</font></div></div></div><div id="ifccd666852344786b482554954de2c18_55"></div><hr style="page-break-after:always"><div style="min-height:45pt;width:100%"><div><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic Bold 2',sans-serif;font-size:12pt;font-weight:700;line-height:120%;text-decoration:underline">Signature</font></div><div style="margin-top:11pt"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Pursuant to the requirements of the Securities Exchange Act of 1934, the Employee Benefits Committee of the MDU Resources Group, Inc. 401(k) Retirement Plan has duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.</font></div><div style="margin-top:16pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:428.25pt"><tr><td style="width:1.0pt"></td><td style="width:30.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:166.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:22.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:201.25pt"></td><td style="width:1.0pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:justify;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">MDU RESOURCES GROUP, INC.</font></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">401(k) Retirement Plan</font></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">DATE&#58;</font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:120%">June 21, 2023</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%">BY&#58;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#47;s&#47; Jason L. Vollmer</font></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:0.5pt solid #000000;padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:0.5pt solid #000000;padding:2px 1pt;text-align:justify;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Jason L. Vollmer</font></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:justify;vertical-align:top"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Chairman, Employee Benefits Committee</font></td></tr></table></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Trade Gothic',sans-serif;font-size:8pt;font-weight:400;line-height:120%">14</font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>2
<FILENAME>a2022form11-kex23.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
<TEXT>
<html><head>
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<title>Document</title></head><body><div id="i40af230e5dee49198b9c2a9e6e5ab9dc_1"></div><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Consent of Independent Registered Public Accounting Firm</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">We consent to the incorporation by reference in the Registration Statement on Form&#160;S-8 (File No.&#160;333-234760) of MDU Resources Group, Inc. of our report dated June&#160;21, 2023, relating to the financial statements, which appears on page 13 of this annual report on Form&#160;11-K for the year ended December&#160;31, 2022.</font></div><div><font><br></font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#47;s&#47; Baker Tilly US, LLP</font></div><div><font><br></font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Minneapolis, Minnesota</font></div><div><font style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">June 21, 2023</font></div><div><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
