CATHAY GENERAL BANCORP

During the quarter ended* June 30, 2025*, no director or Section16 officer adopted or terminated any Rule10b5-1 trading arrangements or non-Rule10b5-1 trading arrangements, as defined under Item408(a) of Regulation S-K, except for Mr. Chang M. Liu, President and Chief Executive Officer of the Company, who entered into a Rule10b5-1 trading agreement on* May 1, 2025,with trading term ending on April 5, 2027.The trading plan provides for20%* of the vested net shares, after tax withholding, that are received by Mr. Liu as equity compensation during the term of the plan to be sold on future dates following the vesting dates of such equity awards. The trading plan also provides for 5,165 shares to be sold on or after* October 28, 2025,which sale is intended to cover additional estimated tax liabilities associated with Performance RSU shares that vested on December 31, 2024and were issued to him on April 1, 2025.*The trading plan was adopted by Mr. Liu in order to generate cash to pay his estimated tax liabilities in connection with the vesting of such equity awards, which estimated tax liabilities are in excess of the value of the shares withheld.