SIRIUS XM HOLDINGS INC.

Insider Trading Arrangements

During our last fiscal quarter, no director or officer, as defined in Rule 16a-1(f) under the Exchange Act, adopted, modified or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” each as defined for purposes of Regulation S-K Item 408.

Appointment of Principal Accounting Officer

On January 29, 2026, our board of directors appointed Zachary J. Coughlin, the Company’s Executive Vice President and Chief Financial Officer, as the Company’s principal accounting officer. Mr. Coughlin’s biographical information is incorporated by reference to the Current Report on Form 8-K filed with the SEC on November 18, 2025. There is no change to Mr. Coughlin’s compensation as a result of his appointment as principal accounting officer. Furthermore, there is no arrangement or understanding between Mr. Coughlin and any other person pursuant to which Mr. Coughlin was selected as principal accounting officer, and there are no transactions involving Mr. Coughlin that would be required to be disclosed pursuant to Item 404(a) of Regulation S-K. In addition, there is no family relationship between Mr. Coughlin and any director or executive officer of the company.