Company BlackRock Municipal Income Investment Quality Trust

BlackRock Municipal Income Investment Quality Trust is a non-diversified, closed-end management investment company. The Trust's investment objective is to provide current income exempt from federal income tax, including the alternative minimum tax and Florida intangible property tax. It seeks to achieve its investment objective by investing at least 80% of its managed assets in municipal bonds exempt from federal income taxes, including the alternative minimum tax. It also invests at least 80% of its assets in municipal bonds that are investment grade quality at the time of investment or, if unrated, determined to be of comparable quality by the investment advisor. The Trust may invest directly in such securities or synthetically through the use of derivatives. It invests in sectors, such as county/city/special district/school district, transportation, utilities, health, state, education, tobacco, corporate and housing. BlackRock Advisors, LLC is the investment advisor of the Trust.