On February 23, 2024, Parizad Olver (Parchi) notified the board of directors (the Board") of Innovative Solutions and Support, Inc. (the Company") of her decision not to stand for reelection to the Board at the expiration of her current term at the Company's 2024 Annual Meeting of Stockholders (the 2024 Annual Meeting"). Ms. Olver's decision not to stand for reelection is not the result of any disagreement with the Company on any matter relating to its operations, policies, practices or otherwise.