EXHIBIT A
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule 13G with respect to the shares of Common Stock of Graham Holdings Company dated as of May 30, 2024 is, and any further amendments thereto signed by each of the undersigned shall be, filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k)(2) under the Securities Exchange Act of 1934, as amended.
Dated: August 14, 2026
Madison Avenue International LP
By: Madison Avenue GP, LLC, its general partner
By: /s/ Eli Samaha
Eli Samaha, as Manager
Madison Avenue Partners, LP
By: EMAI Management, LLC, its general partner
By: /s/ Eli Samaha
Eli Samaha, as Managing Member
EMAI Management, LLC
By: /s/ Eli Samaha
Eli Samaha, as Managing Member
Madison Avenue GP, LLC
By: /s/ Eli Samaha
Eli Samaha, as Manager
Caraway Jackson Investments, LLC
By: /s/ Eli Samaha
Eli Samaha, as Member
/s/ Eli Samaha
Eli Samaha