Exhibit 99.3

 

Consent to be Named as a Director Nominee

  

In connection with the filing by Churchill Capital Corp XIII of the Registration Statement on Form S-1 with the Securities and Exchange Commission under the Securities Act of 1933, as amended (the “Securities Act”), I hereby consent, pursuant to Rule 438 of the Securities Act, to being named as a nominee to the board of directors of by Churchill Capital Corp XIII in the Registration Statement and any and all amendments and supplements thereto. I also consent to the filing of this consent as an exhibit to such Registration Statement and any amendments thereto.

 

Dated: July 15, 2026  
  /s/ William Sherman
  William Sherman