Exhibit 99.15
Annex A

DIRECTORS AND EXECUTIVE OFFICERS OF MARKEL GROUP INC.
 
The following table sets forth the name, present principal occupation or employment, and citizenship of each director and executive officer of Markel Group Inc., as well as the number of shares of Class A Common Stock beneficially owned by such person, as applicable, as of April 15, 2026. The business address of each person listed below is c/o Markel Group Inc., 4521 Highwoods Parkway, Glen Allen, Virginia 23060-6148.
 
DIRECTORS OF MARKEL GROUP INC.


Name
 
 
Present Occupation
 
Citizenship
 
 
 
Steven A. Markel
 
Chairman of the Board, Markel Group Inc.
 
United States
 
 
 
 
 
Mark M. Besca
 
Retired
 
United States
 
 
 
Lawrence A. Cunningham
 
Presiding Director, John L. Weinberg Center for Corporate Governance, University of Delaware
 
United States
 
 
 
 
 
Thomas S. Gayner
 
Chief Executive Officer, Markel Group Inc.
 
United States
 
 
 
 
 
Greta J. Harris
 
President and Chief Executive Officer, Better Housing Coalition
 
United States
 
 
 
 
 
Morgan E. Housel
 
Partner, The Collaborative Fund
 
United States
 
 
 
Diane Leopold
 
Retired
 
United States
 
 
 
 
 
Jonathan E. Michael
 
Retired
 
United States
         
Harold L. Morrison, Jr.
  
Retired
  
United States
 
 
 
 
 
Michael O’Reilly
 
Retired
 
United States
 
 
 
 
 
A. Lynne Puckett
 
Retired
 
United States
 

EXECUTIVE OFFICERS OF MARKEL GROUP INC.


Name
 
Present Occupation
 
Citizenship
 
 
 
Thomas S. Gayner
 
Chief Executive Officer, Markel Group Inc.
 
United States
 
 
 
 
 
Simon Wilson
 
Executive Vice President and Chief Executive Officer, Markel Insurance, Markel Group Inc.
 
United Kingdom
 
 
 
 
 
Andrew G. Crowley
 
Executive Vice President and President, Markel Ventures, Markel Group Inc.
 
United States
 
 
 
    
Richard R. Grinnan
 
Senior Vice President, Chief Legal Officer and Secretary, Markel Group Inc.
 
United States
     
Brian J. Costanzo
 
Chief Financial Officer, Markel Group Inc.
 
United States