Amalgamated Financial Corp.

Securities Trading Plans of Directors and Executive Officers

On April 29,2025, Sean Searby, Executive Vice President, Chief Operating Officer, adopted a Rule 10b5-1 trading arrangement that is intended to satisfy the affirmative defense of Rule 10b5-1(c) for the sale of up to 13,000 shares of the Company’s common stock, with such transactions to occur during sale periods beginning on or after August 30,2025 and ending on the earlier of April 26, 2026 or the date on which all shares authorized for sale have been sold in conformance with the terms of the arrangement.

On April 29,2025, Jason Darby, Senior Executive Vice President and Chief Financial Officer, terminated a Rule 10b5-1 trading arrangement adopted on December 31, 2024 that was intended to satisfy the affirmative defense of Rule 10b5-1(c) for the sale of up to 4,000 shares of the Company’s common stock, with such transactions to have occurred during sale periods beginning on or after March 31,2025 and ending on the earlier of January 31, 2026 or the date on which all shares authorized for sale would have been sold in conformance with the terms of the arrangement.

On April 29,2025, Mandy Tenner, Executive Vice President and Chief Legal Officer, terminated a Rule 10b5-1 trading arrangement adopted on November 11, 2024 that was intended to satisfy the affirmative defense of Rule 10b5-1(c) for the sale of up to 25,217 shares of the Company’s common stock, net of shares to be withheld for the exercise price and for taxes upon the exercise or vesting of underlying stock awards, with such transactions to have occurred during sale periods beginning on or after February 15,2025 and ending on the earlier of November 12,2025 or the date on which all shares authorized for sale would have been sold in conformance with the terms of the arrangement.