Fund Description: BlackRock MuniVest Fund, Inc., formerly MuniVest Fund, Inc., is an exchange-traded closed-end fund or a closed-end ETF which is officially described as a non-diversified, closed-end management investment company. INVESTMENT OBJECTIVE: The BlackRock MuniVest Fund, Inc. seeks to provide shareholders with as high a level of current income exempt from federal income taxes as is consistent with its investment policies and prudent investment management. FUND STRATEGY: The Fund will invest 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 primarily invests in long term municipal obligations rated investment grade at the time of investment and in long term municipal obligations with maturities of more than ten years at the time of investment. The Trust may invest up to 20% of its total assets in securities rated below investment grade or deemed equivalent at the time of purchase. The Trust may invest directly in such securities or synthetically through the use of derivatives. FUND MANAGEMENT: BlackRock Advisors LLC is the Fund's investment advisor and BlackRock Financial Management, Inc. serves as the sub-advisor.