Results of Operations and Financial Condition. On July 22, 2026, Cathay General Bancorp (the “Company”) announced, in a press release, its financial results for the quarter ended June 30, 2026. That press release is attached hereto as Exhibit 99.1.

Director and Committee Member — Ms. Lana Chan: Ms. Lana Chan was appointed to the Audit Committee and Investment Committee of both the Company and the Bank.

Other Events. On April 23, 2026, Cathay General Bancorp (the “Company”) issued a press release announcing that the Company’s board of directors has adopted a new share repurchase program authorizing the Company to repurchase up to $150,000,000 of the Company’s common stock. The share repurchases may be made from time to time on the open market or in privately negotiated transactions. The timing, price and volume of the share repurchases will be determined by the Company’s management based on…

Results of Operations and Financial Condition. On April 22, 2026, Cathay General Bancorp (the “Company”) announced, in a press release, its financial results for the quarter ended March 31, 2026. That press release is attached hereto as Exhibit 99.1.

Director — Lana Chan: Ms. Lana Chan was appointed as a director of both the Company and the Bank, succeeding Ms. Jane Jelenko who is retiring.

CFO — Heng W. Chen: The CFO is retiring with a named internal successor (Albert J. Wang) already in place, representing an orderly succession rather than a sudden loss of leadership.

Results of Operations and Financial Condition. On January 22, 2026, Cathay General Bancorp (the “Company”) announced, in a press release, its financial results for the quarter and year ended December 31, 2025. That press release is attached hereto as Exhibit 99.1.

Results of Operations and Financial Condition. On October 21, 2025, Cathay General Bancorp (the “Company”) announced, in a press release, its financial results for the quarter ended September 30, 2025. That press release is attached hereto as Exhibit 99.1.

Results of Operations and Financial Condition. On July 22, 2025, Cathay General Bancorp (the “Company”) announced, in a press release, its financial results for the quarter ended June 30, 2025. That press release is attached hereto as Exhibit 99.1.

Other Events. On June 4, 2025, Cathay General Bancorp (the “Company”) issued a press release announcing that the Company’s board of directors has adopted a new share repurchase program authorizing the Company to repurchase up to $150,000,000 of the Company’s common stock. The share repurchases may be made from time to time on the open market or in privately negotiated transactions. The timing, price and volume of the share repurchases will be determined by the Company’s management based on it…

The filing discloses the approval of an equity incentive plan, which is a compensatory arrangement rather than a change in management personnel.

Results of Operations and Financial Condition. On April 21, 2025, Cathay General Bancorp (the “Company”) announced, in a press release, its financial results for the quarter ended March 31, 2025. That press release is attached hereto as Exhibit 99.1.

Results of Operations and Financial Condition. On January 22, 2025, Cathay General Bancorp (the “Company”) announced, in a press release, its financial results for the quarter and year ended December 31, 2024. That press release is attached hereto as Exhibit 99.1.

Chief Risk Officer — Kim R. Bingham: The Chief Risk Officer is retiring with a named external successor and a transition period, representing an orderly succession rather than a sudden loss of leadership.

Results of Operations and Financial Condition. On October 21, 2024, Cathay General Bancorp (the “Company”) announced, in a press release, its financial results for the quarter ended September 30, 2024. That press release is attached hereto as Exhibit 99.1.

Results of Operations and Financial Condition. On July 22, 2024, Cathay General Bancorp (the “Company”) announced, in a press release, its financial results for the quarter ended June 30, 2024. That press release is attached hereto as Exhibit 99.1.

Other Events. On May 28, 2024, Cathay General Bancorp (the “Company”) issued a press release announcing that the Company’s board of directors has adopted a new share repurchase program authorizing the Company to repurchase up to $125,000,000 of the Company’s common stock. The share repurchases may be made from time to time on the open market or in privately negotiated transactions. The timing, price and volume of the share repurchases will be determined by the Company’s management based on it…

Results of Operations and Financial Condition. On April 22, 2024, Cathay General Bancorp (the “Company”) announced, in a press release, its financial results for the quarter ended March 31, 2024. That press release is attached hereto as Exhibit 99.1.