Otter Tail Corp

Set forth below is a summary of the principal occupations and business experience during the past five years of our executive officers as defined by rules of the SEC. Each of the executive officers has been employed by the Company for more than five years in an executive or management position either with the Company or its wholly owned subsidiary, Otter Tail Power Company.

Chuck MacFarlane has served as the Company’s President and Chief Executive Officer and as a member of the Company’s Board of Directors since April 13, 2015.

Todd Wahlund has served as Vice President, Chief Financial Officer since January 1, 2024, and previously served as Chief Financial Officer and Vice President, Finance for OTP from May 1, 2018 to December 31, 2023.

Timothy Rogelstad has served as President of OTP and Senior Vice President, Electric Platform of the Company since April 14, 2014.

John Abbotthas served as Senior Vice President, Manufacturing Platform since February 11, 2015.

Jennifer Smestad has served as Senior Vice President, General Counsel and Corporate Secretary since April 13, 2025, and previously served as Vice President, General Counsel and Corporate Secretary of the Company from January 1, 2018 to April 12, 2025. Ms. Smestad has also served as General Counsel for OTP since March 1, 2013.

The term of office for each of the executive officers is one year and any executive officer elected may be removed by the vote of the board of directors at any time during the term. There are no family relationships between any of the executive officers or directors.