BlackRock Income Trust, Inc. (the Trust) is a closed-end management investment company. The Trust investment objective is to manage a portfolio of securities to achieve both preservation of capital and high monthly income. The Trust seeks to achieve its investment objective by investing at least 65% of its assets in mortgage-backed securities. The Trust invests at least 80% of its assets in securities that are issued or guaranteed by the United States government or one of its agencies or instrumentalities or rated at the time of investment either AAA by S&P or Aaa by Moody's. Securities issued or guaranteed by the United States government or its agencies or instrumentalities are generally considered to be of the same or higher credit or quality as privately issued securities rated AAA or Aaa. The Trust may invest directly in such securities or synthetically through the use of derivatives.BlackRock Advisors, LLC is the Trust's investment advisor.