Exhibit 99.1
Consent to be Named as a Director Nominee
In connection with the filing by SilverBox Corp III 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 SilverBox Corp III 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: February 21, 2023 | /s/ Ricahrd A. Gadbois |
Name: Richard A. Gadbois |