Company Executives

Management Team

From the 10-K annual report

Officer	Age	In this role	Joined	2025 pay
Tyler Nelson Vice President, Chief Financial Officer Title from the Form 4 dated Apr 13, 2026	Not stated	Not stated	Not stated	Not reported
Timothy J. Rogelstad President	59	Since 2014 12 years	Not stated	$1,941,776
Jennifer O. Smestad SVP General Counsel & Corp Sec Title from the Form 4 dated Apr 13, 2026	55	Not stated	Not stated	$1,509,692
Todd R. Wahlund Senior Vice President, President of Otter Tail Power Company Title from the Form 4 dated Apr 13, 2026	55	Not stated	Not stated	Not reported
John S. Abbott Senior Vice President, Manufacturing Platform	67	Since 2015 11 years	Not stated	$1,642,628
Paul L Knutson VP, Human Resources Title from the Form 4 dated Aug 10, 2026	Not stated	Not stated	Not stated	Not reported

Each officer opens the passage of the filing that names them. A title that changed since the list comes from the officer's latest Form 3, 4 or 5, and its start year is not stated there. "Not stated" means the filing does not say. Pay is the proxy's Summary Compensation Table, which reports only the named executive officers.

Board of Directors

From the proxy statement filed Mar 2, 2026 · updated by the 8-K of Sep 1, 2026

Directors

serving now

Independent

8 of 9

stated in the proxy

Average tenure

9.6 years

from year joined

CEO also chairs the board

Nathan I. Partain

Director	Age	On board	Independent	Committees	Other public boards	2025 pay
Nathan I. Partain Board chair	69	1993 33 years	Independent	None stated	NW Natural Holding Company	$318,698
Charles S. MacFarlane CEO	61	2015 11 years	Not independent	None stated	None stated	Paid as CEO
Jeanne H. Crain	66	2023 3 years	Independent	Audit Compensation and Human Capital Management	None stated	$225,903
John D. Erickson	67	2007 19 years	Independent	None stated	None stated	$211,903
Mary E. Ludford	66	2023 3 years	Independent	Audit Corporate Governance	NW Natural Holding Company	$225,903
Christopher B. Clark	59	2026 0 years	Independent	Audit Corporate Governance	None stated	Not stated
Dr. Michael E. LeBeau	53	2022 4 years	Independent	Compensation and Human Capital Management Corporate Governance	None stated	Not stated
Steven P. Rasche	66	2026 0 years	Independent	Audit Compensation and Human Capital Management	None stated	Not stated
Steven L. Fritze Leaving at the meeting	72	2013 13 years	Independent	Audit · Chair Corporate Governance	None stated	$246,903

Each director opens the passage of the proxy that names them. "Not stated" means the proxy does not say; it never means "no". Pay is the proxy's Director Compensation table; the CEO is paid as an executive.

No related-party transactions disclosed

The proxy filed Mar 2, 2026 describes a review policy but reports no transactions.

Read the policy in the proxy

Comments

Company Executives

Management Team

Board of Directors

Related-party transactions

No related-party transactions disclosed