Otter Tail (OTTR) Proxy Filing summary

Voting matters and shareholder proposals

• Election of three directors for three-year terms expiring in April 2028, with board recommendation to vote in favor.

• Advisory vote on executive compensation for Named Executive Officers, with board recommendation to approve.

• Ratification of Deloitte & Touche, LLP as independent registered public accounting firm for 2025, recommended by the board.

• Provision to transact other business as may properly come before the meeting.

Board of directors and corporate governance

• Nominees for director positions are Steven L. Fritze, Dr. Kathryn O. Johnson, and Dr. Michael E. LeBeau.

• Directors will serve until April 2028 or until successors are elected and qualified.

Executive compensation and say-on-pay

• Advisory vote scheduled on compensation for Named Executive Officers as detailed in the proxy statement.