BlackRock Investment Quality Municipal Trust Inc. (the Trust) is a diversified, closed-end management investment company. The Trust's investment objective is to provide high current income exempt from regular federal income tax consistent with the preservation of capital. The Trust seeks to achieve its investment objective by investing at least 80% of its assets in municipal obligations exempt from federal income taxes (except that the interest may be subject to the federal alternative minimum tax). Under normal market conditions, the Trust invests at least 80% of its assets in securities rated investment grade at the time of investment. The Trust may invest directly in such securities or synthetically through the use of derivatives. The Trust's investment advisor is BlackRock Advisors, LLC. The Fund's sub-advisor is BlackRock Investment Management, LLC.