On March 1, 2024, two members of the Board of Directors of Oppenheimer Holdings Inc., William J. Ehrhardt, 79, and A. Winn Oughtred, 80, verbally notified the Company that they will be retiring and do not plan to stand for re-election to the Board at the 2024 Annual Meeting of Stockholders of the Company to be held in May 2024. Mr. Ehrhardt has served as a member of the Board since 2008 and is currently the Chair of the Audit Committee and a member of the Compensation and Compliance Committees of the Board while Mr. Oughtred has served as a member of the Board since 1979 and is currently the Chair of the Nominating and Corporate Governance Committee and a member of the Compensation and Compliance Committees of the Board. Neither has any disagreement with the Company on any matter relating to the Company?s operations, policies or practices.

Neither has had any written correspondence with the Company concerning his retirement. On March 1, 2024, the Board of the Company temporarily increased the size of the Board and elected Suzanne Spaulding, 67, a director of the Company effective at the close of business March 1, 2024. Ms. Spaulding currently serves as Senior Adviser at the Center for Strategic and International Studies since 2018.

She served as under secretary for the National Protection and Programs Directorate at the Department of Homeland Security (DHS) from October 2011 to January 2017 where she was effectively the CEO with a rank equivalent to a four-star general managing a $3 billion budget and a workforce of 18,000. Ms. Spaulding currently sits on the Board of Directors for George Washington University?s Center for Cyber & Homeland Security; the Advisory Board of Harvard University?s Defending Digital Democracy project; and the faculty of the National Association of Corporate Directors. She has served on the boards of American Megatrends Inc. (AMI) since October 2021, Hidden Level Inc. since June 2021, Texas Reliability Entity Inc. since January 2021, Defending Digital Campaigns since September 2019 and Girl Security since September 2018.

She has chaired the Cyber Advisory Board for Chubb since May 2021, served on the leadership counsel for Women in National Security since January 2021, been an advisor to Nozomi Networks since August 2018 and been a member of The Homeland Security Experts Group since March 2017. She was a commissioner with the U.S. Cyberspace Solarium Commission from August 2019 to December 2020. Ms. Spaulding earned her BA and JD degrees from the University of Virginia.

Ms. Spaulding brings extensive cybersecurity, legal, risk management and strategic planning experience to the Board. She is expected to serve on the Nominating and Corporate Governance Committee and the Audit Committee of the Company?s Board of Directors and to participate in the Company?s 2024 Incentive Plan with other directors.