Pioneer Investments announced that the board of trustees of the Pioneer Closed-End Funds, Pioneer Diversified High Income Trust, Pioneer Floating Rate Trust, Pioneer High Income Trust, Pioneer Municipal High Income Trust, and Pioneer Municipal High Income Advantage Trust, has elected two new trustees to the board: Marc O. Mayer, independent trustee; and Kenneth J. Taubes, Chief Investment Officer, U.S. The appointments are effective January 28, 2014. Mr. Mayer is a past Chief Executive Officer, Director and Partner of GMO LLC. Mr. Taubes joined Pioneer Investments in 1998 and is a Portfolio Manager of Pioneer Strategic Income Fund, Pioneer Bond Fund, Pioneer Global Multisector Income Fund, and Pioneer Multi-Asset Real Return Fund.