Bank of America Corporation's Purchase of VRDP Shares in BlackRock Municipal Credit Alpha Portfolio, Inc.

Bank of America Corporation (BAC) and Banc of America Preferred Funding Corporation (BAPFC) have filed a Schedule 13D to report the purchase of 350 variable rate demand preferred shares (VRDP Shares) of BlackRock Municipal Credit Alpha Portfolio, Inc. The shares were purchased for approximately $35,000,000 using the working capital of the reporting entities. The purchase was made for investment purposes, and the reporting entities have no intention of influencing the control of the issuer. The VRDP Shares were acquired in a secondary market transaction. The filing also includes details about the voting rights assigned to a voting trust and the liquidity purchase obligations associated with the VRDP Shares. The filing was signed by authorized signatories on September 24, 2025.