MHI Pioneer Municipal High Income Fund Inc

Pioneer Investments today announced the declaration of dividends for five closed-end funds for June.

    Ex Date: June 13, 2017 Record Date: June 15, 2017 Payable: June 30, 2017            

Ticker

Taxable Funds

DistributionPer Share

Change FromPrevious Month

HNW Pioneer Diversified High Income Trust $0.1150 - PHD Pioneer Floating Rate Trust $0.0600 - PHT Pioneer High Income Trust $0.0650 -  

Ticker

Tax-Exempt Funds

Distribution

Per Share

Change From

Previous Month

MAV Pioneer Municipal High Income Advantage Trust $0.0500 - MHI Pioneer Municipal High Income Trust $0.0500 -                  

MarketPrice

Market PriceDistribution Rate

NAV

NAVDistribution Rate

Pioneer Diversified High Income Trust $16.64 8.29% $17.72 7.79% Pioneer Floating Rate Trust $11.91 6.05% $12.56 5.73% Pioneer High Income Trust $10.01 7.79% $10.84 7.20% Pioneer Municipal High Income Advantage Trust $11.56 5.19% $12.09 4.96% Pioneer Municipal High Income Trust $11.98 5.01% $12.89 4.65%  

The closing market price and NAV are based on data as of June 1, 2017. The Market Price Distribution Rate is calculated by dividing the latest declared monthly distribution per share (annualized) by the market price. The NAV Distribution Rate is calculated by dividing the latest declared monthly distribution per share (annualized) by the NAV per share.

All funds are closed-end investment companies. PHD, PHT, MHI and MAV trade on the New York Stock Exchange (NYSE). HNW trades on the NYSE MKT. Pioneer Investment Management, Inc. is each fund’s investment adviser.

Keep in mind, distribution rates are not guaranteed. A fund’s distribution rate may be affected by numerous factors, including changes in actual or projected investment income, the level of undistributed net investment income, if any, and other factors. Shareholders should not draw any conclusions about a fund’s investment performance based on a fund’s current distributions. Closed-end funds, unlike open-end funds, are not continuously offered. Once issued, common 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.

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

© 2017 Pioneer Investment Management, Inc.Member of the UniCredit Banking Group, Register of Banking Groups

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Pioneer InvestmentsGeoff Smith, 617-422-4727geoff.smith@pioneerinvestments.com