BlackRock Health Sciences Trust authorizes a Buyback Plan.

BlackRock Health Sciences Trust (the Trust) is a closed-end management investment company. The Trust investment objective is to provide total return through a combination of current income and long-term capital appreciation. The Trust seeks to achieve its investment objective by investing, approximately 80% of its total assets in equity securities of companies engaged in the health sciences and related industries and equity derivatives with exposure to the health sciences industry. The Trust is focused on achieving its goal primarily by investing in a portfolio of equity securities and also by employing a strategy of writing (selling) call and put options. The Trust invests in a portfolio of sectors, which include biotechnology, health care equipment and supplies, life sciences tools and services, and pharmaceuticals. BlackRock Advisors, LLC acts as the manager of the Trust.