Dorothy E. Bourassa

Pioneer Interest Shares operates as a diversified, closed-end management investment company. It invests in asset backed securities, corporate bonds, U.S. government agency and treasury obligations, and municipal bonds.

Pioneer Diversified High Income Fund, Inc. is a closed-end investment fund, which engages in current income, with the potential for capital appreciation as a secondary objective. It invests in yielding asset classes, including global yield bonds, leveraged bank loans, and event-linked bonds. The company was founded on January 31, 2007 and is headquartered in Boston, MA.

Pioneer High Income Fund, Inc. is a closed-end management investment trust. Its investment objective is to provide a level of current income and seek capital appreciation. The company was founded on January 30, 2002 and is headquartered in Boston, MA.

Pioneer Floating Rate Trust operates as a closed-end investment company. Its objective is to seek high current income with capital preservation through investing in floating-rate loans, emerging market issuers, and hedging transactions. The company was founded on October 6, 2004 and is headquartered in Boston, MA.

Pioneer Municipal High Income Advantage Fund, Inc. is a closed-end investment fund or investment trust. Its primary objective is to seek a high level of current income exempt from regular federal income tax and the secondary objective is to seek capital appreciation to the extent that it is consistent with its primary investment objective. The company was founded on August 6, 2003 and is headquartered in Boston, MA.