BLACKROCK MUNIHOLDINGS CA INSD FD INC09254L107US09254L107007/11/2025DIRECTOR: Cynthia L. EganDIRECTOR ELECTIONSISSUER1850000ABSTAIN185000AGAINSTS000000616 BLACKROCK MUNIHOLDINGS CA INSD FD INC09254L107US09254L107007/11/2025DIRECTOR: Robert FairbairnDIRECTOR ELECTIONSISSUER1850000FOR185000FORS000000616 BLACKROCK MUNIHOLDINGS CA INSD FD INC09254L107US09254L107007/11/2025DIRECTOR: Stayce D. HarrisDIRECTOR ELECTIONSISSUER1850000FOR185000FORS000000616 BLACKROCK MUNIHOLDINGS CA INSD FD INC09254L107US09254L107011/20/2025The common shareholders and holders of Variable Rate Demand Preferred Shares of BlackRock MuniHoldings California Quality Fund, Inc. (the "Acquiring Fund") are being asked to vote as a single class on a proposal to approve the issuance of additional common shares of the Acquiring Fund in connection with an Agreement and Plan of Reorganization between BlackRock California Municipal Income Trust and the Acquiring Fund.EXTRAORDINARY TRANSACTIONSCAPITAL STRUCTUREISSUER1850000FOR185000FORS000000616