BlackRock California Investment Quality Municipal Trust (RAA)

INVESTMENT ADVISOR

          The Advisor, located at 100 Bellevue Parkway, Wilmington, Delaware 19809, is a wholly owned subsidiary of BlackRock, which is one of the largest publicly traded investment management firms in the United States, with approximately $452.7 billion of assets under management as of December 31, 2005. BlackRock manages assets on behalf of institutions and individual investors worldwide, through a variety of equity, fixed income, liquidity and alternative investment separate accounts and mutual funds, including the BlackRock Funds and BlackRock Liquidity Funds. In addition, BlackRock provides risk management and investment system services to a growing number of institutional investors under the BlackRock Solutions^(R) name. Clients are served from BlackRock’s headquarters in New York City, as well as offices in Boston, Edinburgh, Hong Kong, Morristown, San Francisco, Singapore, Sydney, Tokyo and Wilmington. BlackRock is a member of The PNC Financial Services Group, Inc. (NYSE: PNC), one of the largest diversified financial services organizations in the United States, and is majority owned by PNC and by BlackRock employees. The Advisor also acts as the administrator of the Trusts.

          BlackRock, Inc. and Merrill Lynch & Co., Inc. (“Merrill Lynch”) announced on February 15, 2006 that they had reached an agreement to merge Merrill Lynch’s investment management business, Merrill Lynch Investment Managers, with BlackRock to create a new independent company. Merrill Lynch will have a 49.8% economic interest and a 45% voting interest in the combined company and PNC, which currently holds a majority interest in BlackRock, will have approximately a 34% economic and voting interest. The new company will operate under the BlackRock name and be governed by a board of directors with a

14

INVESTMENT ADVISOR

     The Advisor, located at 100 Bellevue Parkway, Wilmington, Delaware 19809, is a wholly owned subsidiary of BlackRock, Inc. ("BlackRock"), which is one of the largest publicly traded investment management firms in the United States, with approximately $342 billion of assets under management as of December 31, 2004. BlackRock manages assets on behalf of institutions and individual investors worldwide, through a variety of equity, fixed income, liquidity and alternative investment separate accounts and mutual funds, including the BlackRock Funds and BlackRock Liquidity Funds. In addition, BlackRock provides risk management and investment system services to a growing number of institutional investors under the BlackRock Solutions^(R) name. Clients are served from BlackRock's headquarters in New York City, as well as offices in Boston, Edinburgh, Hong Kong, Morristown, San Francisco, Singapore, Sydney, Tokyo and Wilmington. BlackRock is a member of The PNC Financial Services Group, Inc. (NYSE: "PNC"), one of the largest diversified financial services organizations in the United States, and is majority owned by PNC and by BlackRock employees. The Advisor also acts as the administrator of the Trusts.