Black Rock Coffee Bar, Inc. - Power of Attorney

This filing details a Power of Attorney granted by Jon Patrick Vingo Jr., Chief Development Officer of Black Rock Coffee Bar, Inc., to Sam Seiberling, Rodd Booth, and Mark Davis. The appointment allows the designated attorneys-in-fact to execute and file necessary SEC forms (Forms 3, 4, and 5) related to the undersigned's securities holdings and transactions in the Company's stock. This authorization is crucial for complying with Section 16(a) of the Securities Exchange Act of 1934. The Power of Attorney remains effective until Vingo Jr. is no longer required to file these forms or until explicitly revoked in writing. The filing also notes that Jon Patrick Vingo Jr. directly owns 44.092 shares of Class A Common Stock following the transaction.