Pioneer Investments Declares Monthly Distributions for Closed-End Funds

Pioneer Investments today announced the declaration of dividends for six closed-end funds for April 2008. The closing market price, annualized distribution rate and NAV distribution rate are based on data as of April 2, 2008.

Ex Date: April 11, 2008
Record Date: April 15, 2008
Payable Date: April 30, 2008(a)

Fund

Distribution

Market

Market Price

NAV

NAV

Price

Distribution

Distribution

Rate

Rate

Pioneer High Income Trust (NYSE: PHT) $ 0.1375 $ 13.74 12.01% 13.47 12.25%
Pioneer Municipal High Income Trust (NYSE: MHI) $ 0.0700 $ 13.85 6.06% 13.88 6.05%
Pioneer Municipal High Income Advantage Trust (NYSE: MAV) $ 0.0750 $ 13.90 6.47%

13.50

6.67%

Pioneer Floating Rate Trust (NYSE: PHD) $ 0.1450 $ 14.24 12.22% 15.12 11.51%
Pioneer Municipal and Equity Income Trust (NYSE: PBF)(b) $ 0.1120 $ 12.14 11.07% 13.09 10.27%
Pioneer Diversified High Income Trust (AMEX: HNW)(a) $ 0.1980 $ 19.50 12.18% 21.56 11.02%

(a) The payable date for HNW is May 1, 2008

(b) At this time PBF believes that a portion of this distribution may include a return of capital, in addition to net investment income and long-term capital gains. A return of capital is not a distribution of income or capital gains from the fund, does not necessarily reflect the fund's investment performance, and should not be considered "yield" or "income." Further information on the composition of the distribution will be made available on the payment date and will be available at www.pioneerinvestments.com. The final determination of tax characteristics of the funds distributions will occur after the end of the year, at which time it will be reported to shareholders.

Tax-Equivalent

Tax-Equivalent

Distribution Rate

Distribution Rate

at Market Price(c)

at NAV(c)

Pioneer Municipal High Income Trust (NYSE: MHI) 9.32% 9.31%
Pioneer Municipal High Income Advantage Trust (NYSE: MAV) 9.95% 10.26%
Pioneer Municipal and Equity Income Trust (NYSE: PBF) 16.01% 14.86%

(c)Tax-Equivalent Distribution Rate is computed based on the estimated effective tax rate of the fund as of 12/31/2007

The funds are closed-end investment companies. Five funds trade on the New York Stock Exchange (NYSE): PHT, MHI, MAV, PHD and PBF. One fund trades on the American Stock Exchange (AMEX): HNW. Pioneer Investment Management, Inc. is each funds investment adviser.

Keep in mind, dividends are not guaranteed. Closed end funds, unlike open-end funds, are not continuously offered. There is a one-time public offering and once issued, shares of closed-end funds are bought and sold in the open market through a stock exchange and frequently trade at prices lower than their net asset value. Net Asset Value (NAV) is total assets less total liabilities divided by the number of common shares outstanding. For performance data on Pioneer's closed-end funds, please call 800-225-6292 or visit our closed-end pricing page.

Pioneer Funds Distributor, Inc., Member SIPC (C)2008 Pioneer Investment Management, Inc.
60 State Street Boston, MA 02109 Member of the UniCredito Italiano Banking Group,
Register of Banking Groups

Contacts:

Shareholder Inquiries:
Please contact your financial
advisor or visit www.pioneerinvestments.com
or
Broker/Advisor Inquiries
Please Contact:
800-622-9876
or
Media Inquiries
Please Contact:
Pioneer Investments
Geoff Smith, 617-422-4727

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