 BlackRock Advisors, LLC announced today that the Boards of Directors or Trustees, as applicable, of BlackRock Municipal Income Investment Quality Trust NYSE: BAF, BlackRock Municipal Bond Trust NYSE: BBK, BlackRock MuniHoldings Fund II, Inc. NYSE: MUH, BlackRock MuniHoldings Quality Fund, Inc. NYSE: MUS and BlackRock MuniHoldings Fund, Inc. NYSE: MHD collectively, the Funds have approved the reorganizations of each of BAF, BBK, MUH and MUS with and into MHD, with MHD continuing as the surviving Fund collectively, the Reorganizations. 