Mutual Funds

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ADVISORIES:
Amundi Climate Transition Core Bond Fund (November 2024)
Pioneer Corporate High Yield Fund renamed Pioneer Active Credit Fund (August 2024)
Pioneer Equity Income Fund and Pioneer Equity Income VCT Portfolio - John Carey Retiring (May 2024)
Pioneer Equity Income Fund and Pioneer Equity Income VCT Portfolio - Portfolio Management Update (May 2024)
Pioneer Municipal Bond Funds (February 2024)
Pioneer Emerging Markets Equity Fund liquidation (February 2024)
Pioneer Flexible Opportunities Fund renamed Pioneer Equity Premium Income Fund ** (January 2024)

Pioneer Corporate High Yield Fund: Effective December 2, 2024, Pioneer Corporate High Yield Fund has been renamed Pioneer Active Credit Fund. The Fund's investment objective, principal investment strategies and portfolio management team have also been changed.

Pioneer MAP High Income Muni Fund: Shares of the fund may be purchased only by or on behalf of participants in certain managed account programs. Such participants will pay management and advisory fees through such programs. Other future investors in the master fund, if any, may also offer shares to their shareholders with different costs and expenses than the fund. Therefore, the investment returns for all investors in funds investing in the master fund will likely not be the same. These differences in returns are also present in other mutual fund structures.

Pioneer Flexible Opportunities Fund: Effective January 1, 2024 Pioneer Flexible Opportunities Fund renamed Pioneer Equity Premium Income Fund.

Pioneer Emerging Markets Equity Fund: Effective March 28, 2024, Pioneer Emerging Markets Equity Fund has been liquidated. Click here for the most recent shareholder report.

Pioneer Solutions - Balanced Fund: Return is based on inception NAV.

Pioneer US Government Money Market Fund: You could lose money by investing in the Fund. Although the Fund seeks to preserve the value of your investment at $1.00 per share, it cannot guarantee it will do so. The Fund may impose a fee upon the sale of your shares or may temporarily suspend your ability to sell shares if the Fund's liquidity falls below required minimums because of market conditions or other factors. An investment in the fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The Fund's sponsor has no legal obligation to provide financial support to the fund, and you should not expect that the sponsor will provide financial support to the fund at any time.

Past performance is no guarantee of future results. Share price, yield and return will vary and you may have a gain or loss when you sell your shares.

Average annual total returns assume reinvestment of all distributions at net asset value.

Performance results reflect any applicable expense waivers in effect during the periods shown. Without such waivers fund performance would be lower. Waivers may not be in effect for all funds. Certain fee waivers are contractual through a specified period. Otherwise, fee waivers can be rescinded at any time. See the prospectus and financial statements for more information.

As of close of business November 10, 2014, all outstanding Class B shares of the Pioneer funds were converted to Class A shares. Effective December 1, 2020, Class C shares of Pioneer mutual funds will automatically convert to Class A shares after 8 years.

The performance of Class K shares for the period prior to the commencement of operations of Class K shares may reflect the net asset value performance of the Fund's Class A shares, which has not been restated to reflect any differences in expenses, including 12b-1 fees applicable to Class A shares. Since fees for Class A shares generally are higher than those of Class K shares, the performance of Class K shares prior to their inception would have been higher than the performance shown. Class K shares are not subject to sales and are available for limited groups of eligible investors, including institutional investors.

Except for Pioneer US Government Money Market Fund, the performance of Class R shares for the period prior to the commencement of operations of Class R shares is based on the performance of Class A shares, reduced to reflect the higher distribution and service fees of Class R shares. For the period after the inception, the actual performance of Class R shares is reflected, which performance may be influenced by the smaller asset size of Class R shares compared to Class A shares. The performance of Class R shares does not reflect the 1% CDSC that was in effect prior to 7/1/04, if applicable. Class R shares are not subject to sales charge and are available for certain tax-deferred retirement plans.

Performance for periods prior to the inception of Class Y shares may reflect the NAV performance of the Fund's Class A shares. The performance does not reflect differences in expenses, including the 12b-1 fees applicable to Class A shares. Since fees for Class A shares are generally higher than those of Class Y shares, the performance shown for Class Y shares prior to their inception would have been higher. Class Y shares are not subject to sales charges and are available for limited groups of eligible investors, including institutional investors.

NAV returns do not reflect the deduction of sales charges which would lower returns.

Important Legal Information
These materials are not an offer to sell or a solicitation of an offer to buy any security in any jurisdiction in which such an offer, solicitation, purchase or sale would be unlawful under the laws of the jurisdiction.

For information on Pioneer Short Term Income Fund Class C2 please visit: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=STIIX

For information on Pioneer Multi-Asset Ultrashort Income Fund Class C2 please visit: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=MAUCX

The portfolio is actively managed, and current holdings may be different.

For fund descriptions, historical and current performance, standardized returns as of the most recent quarter-end, risk disclosure or a prospectus, please click here .

For more information about our funds, please call 1-800-225-6292 or visit our Order Literature page to request a quarterly fact sheet and prospectus.

For additional important information about these funds, click here .

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Before investing, consider the product's investment objectives, risks, charges and expenses. Contact your financial professional or Amundi US for a prospectus or summary prospectus containing this information. Read it carefully. To obtain a free prospectus or summary prospectus and for information on any Pioneer fund, please download it from our literature section.

Securities offered through Amundi Distributor US, Inc.
60 State Street, Boston, MA 02109
Underwriter of Pioneer mutual funds, Member SIPC.

Not FDIC insured | May lose value | No bank guarantee Amundi Asset Management US, Inc. Form CRS Amundi Distributor US, Inc. Form CRS