Longeveron Inc

Trading Arrangements

On July 10, 2024, Rock Soffer, amember of the Company’s Board of Directors, terminated his previously adopted “Rule 10b5-1 trading arrangement.” The trading arrangement, adopted January 11, 2024, and effective January 12, 2024, was intended to satisfy the affirmative defense of Rule 10b5-1(c). The trading arrangement, was set to expire on the earlier of (a) April 17, 2025; (b) completion of the sale of 275,000 shares of Longeveron Class A common stock; (c) notice or awareness of the closing of a tender or exchange offer or a merger, acquisition, reorganization, recapitalization, or comparable transaction for Longeveron in which its capital stock is exchanged or converted; (d) the death, incapacity, bankruptcy, or insolvency of Mr. Soffer; or (e) such other termination in accordance with its terms. During its term, no shares of Longeveron Class A common stock were sold pursuant to the arrangement.

Other than Mr. Soffer, none of the Company’s directors or “officers,” as defined in Rule 16a-1(f) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), adopted, modified, orterminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408 of Regulation S-K, during the Company’s fiscal quarter ended September 30, 2024.