Amalgamated Financial Corp.

Securities Trading Plans of Directors and Executive Officers

On September 10, 2026, Lynne P. Fox, Chair of the Board, 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 8,000 shares of the Company’s common stock, with such transactions to occur during sale periods beginning on or after December 10, 2026, and ending on the earlier of June 10, 2027, or the date on which all shares authorized for sale have been sold in conformance with the terms of the arrangement.

On September 11, 2026, Jason M. Darby, Senior Executive Vice President, Chief Financial 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 7,500 shares of the Company’s common stock, with such transactions to occur during sale periods beginning on or after January 2, 2027, and ending on the earlier of December 31, 2027, or the date on which all shares authorized for sale have been sold in conformance with the terms of the arrangement.

On August 28, 2026, Tyrone Graham, Executive Vice President, Chief Human Resources 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 9,739 shares of the Company’s common stock, assuming performance shares vest at target, and net of shares to be withheld for taxes upon the vesting of underlying stock awards, with such transactions to occur during sale periods beginning on or after November 27, 2026, and ending on the earlier of May 1, 2027, or the date on which all shares authorized for sale have been sold in conformance with the terms of the arrangement.