# EDGAR Filing Document

**Accession Number:** 0000078758
**File Stem:** 0000276776-23-000032
**Filing Date:** 2023-2
**Character Count:** 40964
**Document Hash:** da1effde7c9f4d8b5c8de39746f5dbe1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000276776-23-000032.hdr.sgml**: 20230228

**ACCESSION NUMBER**: 0000276776-23-000032

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230228

**DATE AS OF CHANGE**: 20230228

**EFFECTIVENESS DATE**: 20230228

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER SERIES TRUST X
- **CENTRAL INDEX KEY:** 0001174520
- **IRS NUMBER:** 030460956
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-89354
- **FILM NUMBER:** 23679890

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER FUNDAMENTAL GROWTH FUND
- **DATE OF NAME CHANGE:** 20051213

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER LARGE CAP GROWTH FUND
- **DATE OF NAME CHANGE:** 20020530
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Pioneer Series Trust V
- **CENTRAL INDEX KEY:** 0001341256
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-129005
- **FILM NUMBER:** 23679901

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER BOND FUND /DE/
- **CENTRAL INDEX KEY:** 0000276776
- **IRS NUMBER:** 042652279
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0630

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-62436
- **FILM NUMBER:** 23679905

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE ST 5TH FL
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE ST
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109-1820

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER BOND FUND /MA/
- **DATE OF NAME CHANGE:** 19920703
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER MONEY MARKET TRUST
- **CENTRAL INDEX KEY:** 0000812195
- **IRS NUMBER:** 046569772
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-13179
- **FILM NUMBER:** 23679891

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE ST 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109-1820
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE ST 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109-1820
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER SERIES TRUST VIII
- **CENTRAL INDEX KEY:** 0000893660
- **IRS NUMBER:** 043170886
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1130

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-53746
- **FILM NUMBER:** 23679898

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE ST- 5TH FL
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109-1820
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER INTERNATIONAL VALUE FUND
- **DATE OF NAME CHANGE:** 20010730

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER INTERNATIONAL GROWTH FUND
- **DATE OF NAME CHANGE:** 19930328
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER REAL ESTATE SHARES
- **CENTRAL INDEX KEY:** 0000908996
- **IRS NUMBER:** 043201341
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-65822
- **FILM NUMBER:** 23679894

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE ST
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109-1820
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109-1820

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER WINTHROP REAL ESTATE INVESTMENT FUND
- **DATE OF NAME CHANGE:** 19930713
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER SERIES TRUST XII
- **CENTRAL INDEX KEY:** 0001051010
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-42105
- **FILM NUMBER:** 23679903

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE STREET, 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109-1820
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET, 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109-1820

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER INDEPENDENCE FUND
- **DATE OF NAME CHANGE:** 19971208
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER SERIES TRUST XIV
- **CENTRAL INDEX KEY:** 0001077452
- **IRS NUMBER:** 043453709

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-71813
- **FILM NUMBER:** 23679900

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE ST
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE ST
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER STRATEGIC INCOME FUND
- **DATE OF NAME CHANGE:** 19990122
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER SERIES TRUST VII
- **CENTRAL INDEX KEY:** 0001140157
- **IRS NUMBER:** 043567848
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-62166
- **FILM NUMBER:** 23679892

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE STREET 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER GLOBAL HIGH YIELD FUND
- **DATE OF NAME CHANGE:** 20010507
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER SERIES TRUST II
- **CENTRAL INDEX KEY:** 0001265389
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-110037
- **FILM NUMBER:** 23679899

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER SHORT TERM INCOME FUND
- **CENTRAL INDEX KEY:** 0001286364
- **IRS NUMBER:** 562451408
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-114423
- **FILM NUMBER:** 23679893

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER SHORT TERM BOND FUND
- **DATE OF NAME CHANGE:** 20040407
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER ASSET ALLOCATION TRUST
- **CENTRAL INDEX KEY:** 0001288255
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0731

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-114788
- **FILM NUMBER:** 23679896

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE ST
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE ST
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER IBBOTSON ASSET ALLOCATION SERIES
- **DATE OF NAME CHANGE:** 20041116

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER ASSET ALLOCATION SERIES
- **DATE OF NAME CHANGE:** 20040422
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Pioneer Series Trust III
- **CENTRAL INDEX KEY:** 0001306349
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0630

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-120144
- **FILM NUMBER:** 23679902

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** (617)742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Pioneer Series Trust IV
- **CENTRAL INDEX KEY:** 0001331854
- **IRS NUMBER:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-126384
- **FILM NUMBER:** 23679904

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER FUND /MA/
- **CENTRAL INDEX KEY:** 0000078713
- **IRS NUMBER:** 046013015
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-25980
- **FILM NUMBER:** 23679895

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE ST., 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE ST
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109-1820

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER FUND INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY INVESTMENT ASSOCIATES INC
- **DATE OF NAME CHANGE:** 19680607
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER SERIES TRUST XI
- **CENTRAL INDEX KEY:** 0000078758
- **IRS NUMBER:** 042458787
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-32773
- **FILM NUMBER:** 23679897

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE ST
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET, 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109-1820

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER VALUE FUND
- **DATE OF NAME CHANGE:** 20010402

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER II
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER II INC
- **DATE OF NAME CHANGE:** 19851112

## Series and Classes Contracts Data

### Pioneer Fund (Series ID: S000003991)

---

|  |  |  |
|:---|:---|:---|
| Class Name            | Ticker Symbol | Class ID   |
| Pioneer Fund: Class A | PIODX         | C000011118 |
| Pioneer Fund: Class C | PCODX         | C000011120 |
| Pioneer Fund: Class Y | PYODX         | C000011121 |
| Pioneer Fund: Class R | PIORX         | C000011122 |
| Pioneer Fund: Class K | PIOKX         | C000202421 |

---

### Pioneer Core Equity Fund (Series ID: S000010136)

---

|  |  |  |
|:---|:---|:---|
| Class Name                        | Ticker Symbol | Class ID   |
| Pioneer Core Equity Fund: Class A | PIOTX         | C000028137 |
| Pioneer Core Equity Fund: Class C | PCOTX         | C000028139 |
| Pioneer Core Equity Fund: Class Y | PVFYX         | C000028140 |
| Pioneer Core Equity Fund: Class K | PCEKX         | C000202493 |
| Pioneer Core Equity Fund: Class R | CERPX         | C000203260 |

---

### Pioneer Bond Fund (Series ID: S000003927)

---

|  |  |  |
|:---|:---|:---|
| Class Name                 | Ticker Symbol | Class ID   |
| Pioneer Bond Fund: Class A | PIOBX         | C000011026 |
| Pioneer Bond Fund: Class C | PCYBX         | C000011028 |
| Pioneer Bond Fund: Class Y | PICYX         | C000011029 |
| Pioneer Bond Fund: Class R | PBFRX         | C000011031 |
| Pioneer Bond Fund: Class K | PBFKX         | C000123839 |

---

### Pioneer U.S. Government Money Market Fund (Series ID: S000009919)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                         | Ticker Symbol | Class ID   |
| Pioneer U.S. Government Money Market Fund: Class A | PMTXX         | C000027432 |
| Pioneer U.S. Government Money Market Fund: Class Y | PRYXX         | C000027435 |
| Pioneer U.S. Government Money Market Fund: Class R | nan           | C000194519 |

---

### Pioneer International Equity Fund (Series ID: S000004011)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                 | Ticker Symbol | Class ID   |
| Pioneer International Equity Fund: Class Y | INVYX         | C000011223 |
| Pioneer International Equity Fund: Class A | PIIFX         | C000011224 |
| Pioneer International Equity Fund: Class C | PCITX         | C000011226 |
| Pioneer International Equity Fund: Class K | PIEKX         | C000201060 |

---

### Pioneer Real Estate Shares (Series ID: S000010000)

---

|  |  |  |
|:---|:---|:---|
| Class Name                          | Ticker Symbol | Class ID   |
| Pioneer Real Estate Shares: Class A | PWREX         | C000027661 |
| Pioneer Real Estate Shares: Class C | PCREX         | C000027663 |
| Pioneer Real Estate Shares: Class Y | PYREX         | C000027664 |
| Pioneer Real Estate Shares: Class K | nan           | C000202448 |
| Pioneer Real Estate Shares: Class R | nan           | C000202449 |

---

### Pioneer Disciplined Growth Fund (Series ID: S000004009)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                      | Ticker Symbol | Class ID   |
| Pioneer Disciplined Growth Fund: Class A Shares | PINDX         | C000011217 |
| Pioneer Disciplined Growth Fund: Class C Shares | INDCX         | C000033500 |
| Pioneer Disciplined Growth Fund: Class Y Shares | INYDX         | C000033501 |
| Pioneer Disciplined Growth Fund: Class K Shares | nan           | C000199249 |
| Pioneer Disciplined Growth Fund: Class R        | nan           | C000210599 |

---

### Pioneer Strategic Income Fund (Series ID: S000010131)

---

|  |  |  |
|:---|:---|:---|
| Class Name                             | Ticker Symbol | Class ID   |
| Pioneer Strategic Income Fund: Class A | PSRAX         | C000028124 |
| Pioneer Strategic Income Fund: Class C | PSRCX         | C000028126 |
| Pioneer Strategic Income Fund: Class Y | STRYX         | C000028127 |
| Pioneer Strategic Income Fund: Class R | STIRX         | C000028128 |
| Pioneer Strategic Income Fund: Class K | STRKX         | C000123840 |

---

### Pioneer Emerging Markets Equity Fund (Series ID: S000065786)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                    | Ticker Symbol | Class ID   |
| Pioneer Emerging Markets Equity Fund: Class Y | PEMSX         | C000212647 |
| Pioneer Emerging Markets Equity Fund: Class A | PEMEX         | C000212648 |
| Pioneer Emerging Markets Equity Fund: Class C | PEMNX         | C000212649 |
| Pioneer Emerging Markets Equity Fund: Class K | nan           | C000212650 |

---

### Pioneer Global Sustainable Growth Fund (Series ID: S000071518)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                       | Ticker Symbol | Class ID   |
| Pioneer Global Sustainable Growth Fund : Class C | SUGCX         | C000226809 |
| Pioneer Global Sustainable Growth Fund : Class Y | SUGYX         | C000226810 |
| Pioneer Global Sustainable Growth Fund : Class A | SUGAX         | C000226811 |

---

### Pioneer Global Sustainable Value Fund (Series ID: S000071519)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                      | Ticker Symbol | Class ID   |
| Pioneer Global Sustainable Value Fund : Class Y | PSUYX         | C000226812 |
| Pioneer Global Sustainable Value Fund : Class C | GBVCX         | C000226813 |
| Pioneer Global Sustainable Value Fund : Class A | PGSVX         | C000226814 |

---

### Pioneer Intrinsic Value Fund (Series ID: S000071520)

---

|  |  |  |
|:---|:---|:---|
| Class Name                             | Ticker Symbol | Class ID   |
| Pioneer Intrinsic Value Fund : Class C | PVCCX         | C000226815 |
| Pioneer Intrinsic Value Fund : Class Y | PISYX         | C000226816 |
| Pioneer Intrinsic Value Fund : Class A | PISVX         | C000226817 |

---

### Pioneer CAT Bond Fund (Series ID: S000078993)

---

|  |  |
|:---|:---|
| Class Name                             | Class ID   |
| Pioneer CAT Bond Fund : Class Y Shares | C000239821 |
| Pioneer CAT Bond Fund : Class A Shares | C000239822 |
| Pioneer CAT Bond Fund : Class C Shares | C000239823 |
| Pioneer CAT Bond Fund : Class K Shares | C000239824 |

---

### Pioneer Fundamental Growth Fund (Series ID: S000004137)

---

|  |  |  |
|:---|:---|:---|
| Class Name                               | Ticker Symbol | Class ID   |
| Pioneer Fundamental Growth Fund: Class A | PIGFX         | C000011600 |
| Pioneer Fundamental Growth Fund: Class C | FUNCX         | C000011602 |
| Pioneer Fundamental Growth Fund: Class Y | FUNYX         | C000075918 |
| Pioneer Fundamental Growth Fund: Class R | PFGRX         | C000115405 |
| Pioneer Fundamental Growth Fund: Class K | PFGKX         | C000121111 |

---

### Pioneer Corporate High Yield Fund (Series ID: S000031914)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                 | Ticker Symbol | Class ID   |
| Pioneer Corporate High Yield Fund: Class A | RCRAX         | C000099381 |
| Pioneer Corporate High Yield Fund: Class C | RCRCX         | C000099382 |
| Pioneer Corporate High Yield Fund: Class Y | RCRYX         | C000099383 |
| Pioneer Corporate High Yield Fund: Class K | nan           | C000205106 |

---

### Pioneer Multi-Asset Ultrashort Income Fund (Series ID: S000031915)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                           | Ticker Symbol | Class ID   |
| Pioneer Multi-Asset Ultrashort Income Fund: Class A  | MAFRX         | C000099384 |
| Pioneer Multi-Asset Ultrashort Income Fund: Class C  | MCFRX         | C000099385 |
| Pioneer Multi-Asset Ultrashort Income Fund: Class Y  | MYFRX         | C000099386 |
| Pioneer Multi-Asset Ultrashort Income Fund: Class K  | MAUKX         | C000123824 |
| Pioneer Multi-Asset Ultrashort Income Fund: Class C2 | MAUCX         | C000129913 |

---

### Pioneer Select Mid Cap Growth Fund (Series ID: S000010084)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                   | Ticker Symbol | Class ID   |
| Pioneer Select Mid Cap Growth Fund: Class A  | PGOFX         | C000027930 |
| Pioneer Select Mid Cap Growth Fund: Class C  | GOFCX         | C000027932 |
| Pioneer Select Mid Cap Growth Fund: Class Y  | GROYX         | C000027933 |
| Pioneer Select Mid Cap Growth Fund - Class R | PGRRX         | C000079046 |
| Pioneer Select Mid Cap Growth Fund: Class K  | PSMKX         | C000152821 |

---

### Pioneer AMT-Free Municipal Fund (Series ID: S000010085)

---

|  |  |  |
|:---|:---|:---|
| Class Name                               | Ticker Symbol | Class ID   |
| Pioneer AMT-Free Municipal Fund: Class A | PBMFX         | C000027935 |
| Pioneer AMT-Free Municipal Fund: Class C | MNBCX         | C000027937 |
| Pioneer AMT-Free Municipal Fund: Class Y | PBYMX         | C000035677 |
| Pioneer AMT-Free Municipal Fund: Class K | nan           | C000202419 |

---

### Pioneer Short Term Income Fund (Series ID: S000010228)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                     | Ticker Symbol | Class ID   |
| Pioneer Short Term Income Fund: Class A        | STABX         | C000028291 |
| Pioneer Short Term Income Fund: Class C        | PSHCX         | C000028293 |
| Pioneer Short Term Income Fund: Class Y        | PSHYX         | C000028294 |
| Pioneer Short Term Income Fund: Class C2       | STIIX         | C000129904 |
| Pioneer Short Term Income Fund: Class K Shares | STIKX         | C000149629 |

---

### Pioneer Solutions - Balanced Fund (Series ID: S000004007)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                 | Ticker Symbol | Class ID   |
| Pioneer Solutions - Balanced Fund: Class A | PIALX         | C000011209 |
| Pioneer Solutions - Balanced Fund: Class C | PIDCX         | C000011211 |
| Pioneer Solutions - Balanced Fund: Class Y | IMOYX         | C000011212 |
| Pioneer Solutions - Balanced Fund: Class R | BALRX         | C000160060 |
| Pioneer Solutions - Balanced Fund: Class K | nan           | C000200317 |

---

### Pioneer Disciplined Value Fund (Series ID: S000010093)

---

|  |  |  |
|:---|:---|:---|
| Class Name                              | Ticker Symbol | Class ID   |
| Pioneer Disciplined Value Fund: Class A | CVFCX         | C000027968 |
| Pioneer Disciplined Value Fund: Class C | CVCFX         | C000027970 |
| Pioneer Disciplined Value Fund: Class Y | CVFYX         | C000027971 |
| Pioneer Disciplined Value Fund: Class R | CVRFX         | C000041565 |
| Pioneer Disciplined Value Fund: Class K | CVKFX         | C000199250 |

---

### Pioneer Balanced ESG Fund (Series ID: S000010109)

---

|  |  |  |
|:---|:---|:---|
| Class Name                         | Ticker Symbol | Class ID   |
| Pioneer Balanced ESG Fund: Class A | AOBLX         | C000028039 |
| Pioneer Balanced ESG Fund: Class C | PCBCX         | C000028041 |
| Pioneer Balanced ESG Fund: Class Y | AYBLX         | C000028042 |
| Pioneer Balanced ESG Fund: Class R | CBPRX         | C000160063 |
| Pioneer Balanced ESG Fund: Class K | PCBKX         | C000166298 |

---

### Pioneer Multi-Asset Income Fund (Series ID: S000035110)

---

|  |  |  |
|:---|:---|:---|
| Class Name                               | Ticker Symbol | Class ID   |
| Pioneer Multi-Asset Income Fund: Class A | PMAIX         | C000108029 |
| Pioneer Multi-Asset Income Fund: Class C | PMACX         | C000108030 |
| Pioneer Multi-Asset Income Fund: Class Y | PMFYX         | C000108031 |
| Pioneer Multi-Asset Income Fund: Class K | PMFKX         | C000149634 |
| Pioneer Multi-Asset Income Fund: Class R | PMFRX         | C000149635 |

---

### Pioneer Securitized Income Fund (Series ID: S000072337)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                       | Ticker Symbol | Class ID   |
| Pioneer Securitized Income Fund : Class Y Shares | SYFFX         | C000228470 |
| Pioneer Securitized Income Fund : Class A Shares | SIFFX         | C000228471 |
| Pioneer Securitized Income Fund : Class C Shares | nan           | C000228472 |
| Pioneer Securitized Income Fund : Class K Shares | nan           | C000228473 |

---

### Amundi Climate Transition Core Bond Fund (Series ID: S000077846)

---

|  |  |
|:---|:---|
| Class Name                                                | Class ID   |
| Amundi Climate Transition Core Bond Fund : Class Y Shares | C000238425 |
| Amundi Climate Transition Core Bond Fund : Class A Shares | C000238426 |
| Amundi Climate Transition Core Bond Fund : Class C Shares | C000238427 |
| Amundi Climate Transition Core Bond Fund : Class K Shares | C000238428 |

---

### Pioneer Global Sustainable Equity Fund (Series ID: S000010121)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                      | Ticker Symbol | Class ID   |
| Pioneer Global Sustainable Equity Fund: Class A | GLOSX         | C000028083 |
| Pioneer Global Sustainable Equity Fund: Class C | GCSLX         | C000028085 |
| Pioneer Global Sustainable Equity Fund: Class Y | PGSYX         | C000073573 |
| Pioneer Global Sustainable Equity Fund: Class K | PGEKX         | C000152884 |
| Pioneer Global Sustainable Equity Fund: Class R | PRGEX         | C000160062 |

---

### Pioneer High Income Municipal Fund (Series ID: S000013005)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                  | Ticker Symbol | Class ID   |
| Pioneer High Income Municipal Fund: Class A | PIMAX         | C000035147 |
| Pioneer High Income Municipal Fund: Class C | HICMX         | C000035148 |
| Pioneer High Income Municipal Fund: Class Y | HIMYX         | C000035149 |
| Pioneer High Income Municipal Fund: Class K | nan           | C000199245 |

---

## Series and Classes Contracts Data

### Pioneer Fund (Series ID: S000003991)

| Class ID   | Class Name            | Ticker Symbol   |
|:---|:---|:---|
| C000011118 | Pioneer Fund: Class A | PIODX           |
| C000011120 | Pioneer Fund: Class C | PCODX           |
| C000011121 | Pioneer Fund: Class Y | PYODX           |
| C000011122 | Pioneer Fund: Class R | PIORX           |
| C000202421 | Pioneer Fund: Class K | PIOKX           |

### Pioneer Core Equity Fund (Series ID: S000010136)

| Class ID   | Class Name                        | Ticker Symbol   |
|:---|:---|:---|
| C000028137 | Pioneer Core Equity Fund: Class A | PIOTX           |
| C000028139 | Pioneer Core Equity Fund: Class C | PCOTX           |
| C000028140 | Pioneer Core Equity Fund: Class Y | PVFYX           |
| C000202493 | Pioneer Core Equity Fund: Class K | PCEKX           |
| C000203260 | Pioneer Core Equity Fund: Class R | CERPX           |

### Pioneer Bond Fund (Series ID: S000003927)

| Class ID   | Class Name                 | Ticker Symbol   |
|:---|:---|:---|
| C000011026 | Pioneer Bond Fund: Class A | PIOBX           |
| C000011028 | Pioneer Bond Fund: Class C | PCYBX           |
| C000011029 | Pioneer Bond Fund: Class Y | PICYX           |
| C000011031 | Pioneer Bond Fund: Class R | PBFRX           |
| C000123839 | Pioneer Bond Fund: Class K | PBFKX           |

### Pioneer U.S. Government Money Market Fund (Series ID: S000009919)

| Class ID   | Class Name                                         | Ticker Symbol   |
|:---|:---|:---|
| C000027432 | Pioneer U.S. Government Money Market Fund: Class A | PMTXX           |
| C000027435 | Pioneer U.S. Government Money Market Fund: Class Y | PRYXX           |
| C000194519 | Pioneer U.S. Government Money Market Fund: Class R |  |

### Pioneer International Equity Fund (Series ID: S000004011)

| Class ID   | Class Name                                 | Ticker Symbol   |
|:---|:---|:---|
| C000011223 | Pioneer International Equity Fund: Class Y | INVYX           |
| C000011224 | Pioneer International Equity Fund: Class A | PIIFX           |
| C000011226 | Pioneer International Equity Fund: Class C | PCITX           |
| C000201060 | Pioneer International Equity Fund: Class K | PIEKX           |

### Pioneer Real Estate Shares (Series ID: S000010000)

| Class ID   | Class Name                          | Ticker Symbol   |
|:---|:---|:---|
| C000027661 | Pioneer Real Estate Shares: Class A | PWREX           |
| C000027663 | Pioneer Real Estate Shares: Class C | PCREX           |
| C000027664 | Pioneer Real Estate Shares: Class Y | PYREX           |
| C000202448 | Pioneer Real Estate Shares: Class K |  |
| C000202449 | Pioneer Real Estate Shares: Class R |  |

### Pioneer Disciplined Growth Fund (Series ID: S000004009)

| Class ID   | Class Name                                      | Ticker Symbol   |
|:---|:---|:---|
| C000011217 | Pioneer Disciplined Growth Fund: Class A Shares | PINDX           |
| C000033500 | Pioneer Disciplined Growth Fund: Class C Shares | INDCX           |
| C000033501 | Pioneer Disciplined Growth Fund: Class Y Shares | INYDX           |
| C000199249 | Pioneer Disciplined Growth Fund: Class K Shares |  |
| C000210599 | Pioneer Disciplined Growth Fund: Class R        |  |

### Pioneer Strategic Income Fund (Series ID: S000010131)

| Class ID   | Class Name                             | Ticker Symbol   |
|:---|:---|:---|
| C000028124 | Pioneer Strategic Income Fund: Class A | PSRAX           |
| C000028126 | Pioneer Strategic Income Fund: Class C | PSRCX           |
| C000028127 | Pioneer Strategic Income Fund: Class Y | STRYX           |
| C000028128 | Pioneer Strategic Income Fund: Class R | STIRX           |
| C000123840 | Pioneer Strategic Income Fund: Class K | STRKX           |

### Pioneer Emerging Markets Equity Fund (Series ID: S000065786)

| Class ID   | Class Name                                    | Ticker Symbol   |
|:---|:---|:---|
| C000212647 | Pioneer Emerging Markets Equity Fund: Class Y | PEMSX           |
| C000212648 | Pioneer Emerging Markets Equity Fund: Class A | PEMEX           |
| C000212649 | Pioneer Emerging Markets Equity Fund: Class C | PEMNX           |
| C000212650 | Pioneer Emerging Markets Equity Fund: Class K |  |

### Pioneer Global Sustainable Growth Fund (Series ID: S000071518)

| Class ID   | Class Name                                       | Ticker Symbol   |
|:---|:---|:---|
| C000226809 | Pioneer Global Sustainable Growth Fund : Class C | SUGCX           |
| C000226810 | Pioneer Global Sustainable Growth Fund : Class Y | SUGYX           |
| C000226811 | Pioneer Global Sustainable Growth Fund : Class A | SUGAX           |

### Pioneer Global Sustainable Value Fund (Series ID: S000071519)

| Class ID   | Class Name                                      | Ticker Symbol   |
|:---|:---|:---|
| C000226812 | Pioneer Global Sustainable Value Fund : Class Y | PSUYX           |
| C000226813 | Pioneer Global Sustainable Value Fund : Class C | GBVCX           |
| C000226814 | Pioneer Global Sustainable Value Fund : Class A | PGSVX           |

### Pioneer Intrinsic Value Fund (Series ID: S000071520)

| Class ID   | Class Name                             | Ticker Symbol   |
|:---|:---|:---|
| C000226815 | Pioneer Intrinsic Value Fund : Class C | PVCCX           |
| C000226816 | Pioneer Intrinsic Value Fund : Class Y | PISYX           |
| C000226817 | Pioneer Intrinsic Value Fund : Class A | PISVX           |

### Pioneer CAT Bond Fund (Series ID: S000078993)

| Class ID   | Class Name                             | Ticker Symbol   |
|:---|:---|:---|
| C000239821 | Pioneer CAT Bond Fund : Class Y Shares |  |
| C000239822 | Pioneer CAT Bond Fund : Class A Shares |  |
| C000239823 | Pioneer CAT Bond Fund : Class C Shares |  |
| C000239824 | Pioneer CAT Bond Fund : Class K Shares |  |

### Pioneer Fundamental Growth Fund (Series ID: S000004137)

| Class ID   | Class Name                               | Ticker Symbol   |
|:---|:---|:---|
| C000011600 | Pioneer Fundamental Growth Fund: Class A | PIGFX           |
| C000011602 | Pioneer Fundamental Growth Fund: Class C | FUNCX           |
| C000075918 | Pioneer Fundamental Growth Fund: Class Y | FUNYX           |
| C000115405 | Pioneer Fundamental Growth Fund: Class R | PFGRX           |
| C000121111 | Pioneer Fundamental Growth Fund: Class K | PFGKX           |

### Pioneer Corporate High Yield Fund (Series ID: S000031914)

| Class ID   | Class Name                                 | Ticker Symbol   |
|:---|:---|:---|
| C000099381 | Pioneer Corporate High Yield Fund: Class A | RCRAX           |
| C000099382 | Pioneer Corporate High Yield Fund: Class C | RCRCX           |
| C000099383 | Pioneer Corporate High Yield Fund: Class Y | RCRYX           |
| C000205106 | Pioneer Corporate High Yield Fund: Class K |  |

### Pioneer Multi-Asset Ultrashort Income Fund (Series ID: S000031915)

| Class ID   | Class Name                                           | Ticker Symbol   |
|:---|:---|:---|
| C000099384 | Pioneer Multi-Asset Ultrashort Income Fund: Class A  | MAFRX           |
| C000099385 | Pioneer Multi-Asset Ultrashort Income Fund: Class C  | MCFRX           |
| C000099386 | Pioneer Multi-Asset Ultrashort Income Fund: Class Y  | MYFRX           |
| C000123824 | Pioneer Multi-Asset Ultrashort Income Fund: Class K  | MAUKX           |
| C000129913 | Pioneer Multi-Asset Ultrashort Income Fund: Class C2 | MAUCX           |

### Pioneer Select Mid Cap Growth Fund (Series ID: S000010084)

| Class ID   | Class Name                                   | Ticker Symbol   |
|:---|:---|:---|
| C000027930 | Pioneer Select Mid Cap Growth Fund: Class A  | PGOFX           |
| C000027932 | Pioneer Select Mid Cap Growth Fund: Class C  | GOFCX           |
| C000027933 | Pioneer Select Mid Cap Growth Fund: Class Y  | GROYX           |
| C000079046 | Pioneer Select Mid Cap Growth Fund - Class R | PGRRX           |
| C000152821 | Pioneer Select Mid Cap Growth Fund: Class K  | PSMKX           |

### Pioneer AMT-Free Municipal Fund (Series ID: S000010085)

| Class ID   | Class Name                               | Ticker Symbol   |
|:---|:---|:---|
| C000027935 | Pioneer AMT-Free Municipal Fund: Class A | PBMFX           |
| C000027937 | Pioneer AMT-Free Municipal Fund: Class C | MNBCX           |
| C000035677 | Pioneer AMT-Free Municipal Fund: Class Y | PBYMX           |
| C000202419 | Pioneer AMT-Free Municipal Fund: Class K |  |

### Pioneer Short Term Income Fund (Series ID: S000010228)

| Class ID   | Class Name                                     | Ticker Symbol   |
|:---|:---|:---|
| C000028291 | Pioneer Short Term Income Fund: Class A        | STABX           |
| C000028293 | Pioneer Short Term Income Fund: Class C        | PSHCX           |
| C000028294 | Pioneer Short Term Income Fund: Class Y        | PSHYX           |
| C000129904 | Pioneer Short Term Income Fund: Class C2       | STIIX           |
| C000149629 | Pioneer Short Term Income Fund: Class K Shares | STIKX           |

### Pioneer Solutions - Balanced Fund (Series ID: S000004007)

| Class ID   | Class Name                                 | Ticker Symbol   |
|:---|:---|:---|
| C000011209 | Pioneer Solutions - Balanced Fund: Class A | PIALX           |
| C000011211 | Pioneer Solutions - Balanced Fund: Class C | PIDCX           |
| C000011212 | Pioneer Solutions - Balanced Fund: Class Y | IMOYX           |
| C000160060 | Pioneer Solutions - Balanced Fund: Class R | BALRX           |
| C000200317 | Pioneer Solutions - Balanced Fund: Class K |  |

### Pioneer Disciplined Value Fund (Series ID: S000010093)

| Class ID   | Class Name                              | Ticker Symbol   |
|:---|:---|:---|
| C000027968 | Pioneer Disciplined Value Fund: Class A | CVFCX           |
| C000027970 | Pioneer Disciplined Value Fund: Class C | CVCFX           |
| C000027971 | Pioneer Disciplined Value Fund: Class Y | CVFYX           |
| C000041565 | Pioneer Disciplined Value Fund: Class R | CVRFX           |
| C000199250 | Pioneer Disciplined Value Fund: Class K | CVKFX           |

### Pioneer Balanced ESG Fund (Series ID: S000010109)

| Class ID   | Class Name                         | Ticker Symbol   |
|:---|:---|:---|
| C000028039 | Pioneer Balanced ESG Fund: Class A | AOBLX           |
| C000028041 | Pioneer Balanced ESG Fund: Class C | PCBCX           |
| C000028042 | Pioneer Balanced ESG Fund: Class Y | AYBLX           |
| C000160063 | Pioneer Balanced ESG Fund: Class R | CBPRX           |
| C000166298 | Pioneer Balanced ESG Fund: Class K | PCBKX           |

### Pioneer Multi-Asset Income Fund (Series ID: S000035110)

| Class ID   | Class Name                               | Ticker Symbol   |
|:---|:---|:---|
| C000108029 | Pioneer Multi-Asset Income Fund: Class A | PMAIX           |
| C000108030 | Pioneer Multi-Asset Income Fund: Class C | PMACX           |
| C000108031 | Pioneer Multi-Asset Income Fund: Class Y | PMFYX           |
| C000149634 | Pioneer Multi-Asset Income Fund: Class K | PMFKX           |
| C000149635 | Pioneer Multi-Asset Income Fund: Class R | PMFRX           |

### Pioneer Securitized Income Fund (Series ID: S000072337)

| Class ID   | Class Name                                       | Ticker Symbol   |
|:---|:---|:---|
| C000228470 | Pioneer Securitized Income Fund : Class Y Shares | SYFFX           |
| C000228471 | Pioneer Securitized Income Fund : Class A Shares | SIFFX           |
| C000228472 | Pioneer Securitized Income Fund : Class C Shares |  |
| C000228473 | Pioneer Securitized Income Fund : Class K Shares |  |

### Amundi Climate Transition Core Bond Fund (Series ID: S000077846)

| Class ID   | Class Name                                                | Ticker Symbol   |
|:---|:---|:---|
| C000238425 | Amundi Climate Transition Core Bond Fund : Class Y Shares |  |
| C000238426 | Amundi Climate Transition Core Bond Fund : Class A Shares |  |
| C000238427 | Amundi Climate Transition Core Bond Fund : Class C Shares |  |
| C000238428 | Amundi Climate Transition Core Bond Fund : Class K Shares |  |

### Pioneer Global Sustainable Equity Fund (Series ID: S000010121)

| Class ID   | Class Name                                      | Ticker Symbol   |
|:---|:---|:---|
| C000028083 | Pioneer Global Sustainable Equity Fund: Class A | GLOSX           |
| C000028085 | Pioneer Global Sustainable Equity Fund: Class C | GCSLX           |
| C000073573 | Pioneer Global Sustainable Equity Fund: Class Y | PGSYX           |
| C000152884 | Pioneer Global Sustainable Equity Fund: Class K | PGEKX           |
| C000160062 | Pioneer Global Sustainable Equity Fund: Class R | PRGEX           |

### Pioneer High Income Municipal Fund (Series ID: S000013005)

| Class ID   | Class Name                                  | Ticker Symbol   |
|:---|:---|:---|
| C000035147 | Pioneer High Income Municipal Fund: Class A | PIMAX           |
| C000035148 | Pioneer High Income Municipal Fund: Class C | HICMX           |
| C000035149 | Pioneer High Income Municipal Fund: Class Y | HIMYX           |
| C000199245 | Pioneer High Income Municipal Fund: Class K |  |

March 1, 2023

**Pioneer Funds** 

Supplement to the Summary Prospectuses, as in effect and as may be amended from time to time, for:

---

| | |
|:---|:---|
| **Fund** | **Date of Prospectus** |
| Amundi Climate Transition Core Bond Fund | October 18, 2022 |
| Pioneer AMT-Free Municipal Fund | April 1, 2022 |
| Pioneer Balanced ESG Fund | December 1, 2022 |
| Pioneer Bond Fund | November 1, 2022 |
| Pioneer CAT Bond Fund | December 5, 2022 |
| Pioneer Core Equity Fund | May 1, 2022 |
| Pioneer Corporate High Yield Fund | December 28, 2022 |
| Pioneer Disciplined Growth Fund | December 28, 2022 |
| Pioneer Disciplined Value Fund | December 28, 2022 |
| Pioneer Emerging Markets Equity Fund | February 1, 2023 |
| Pioneer Fund | May 1, 2022 |
| Pioneer Fundamental Growth Fund | August 1, 2022 |
| Pioneer Global Sustainable Equity Fund | December 28, 2022 |
| Pioneer Global Sustainable Growth Fund | February 1, 2023 |
| Pioneer Global Sustainable Value Fund | February 1, 2023 |
| Pioneer High Income Municipal Fund | December 28, 2022 |
| Pioneer International Equity Fund | April 1, 2022 |
| Pioneer Intrinsic Value Fund | February 1, 2023 |
| Pioneer Multi-Asset Income Fund | December 1, 2022 |
| Pioneer Multi-Asset Ultrashort Income Fund | August 1, 2022 |
| Pioneer Real Estate Shares | May 1, 2022 |
| Pioneer Securitized Income Fund | December 1, 2022 |
| Pioneer Select Mid Cap Growth Fund | April 1, 2022 |
| Pioneer Short Term Income Fund | December 28, 2022 |
| Pioneer Solutions – Balanced Fund | December 1, 2022 |
| Pioneer Strategic Income Fund | February 1, 2023 |
| Pioneer U.S. Government Money Market Fund | May 1, 2022 |

---

------

Effective March 1, 2023, the following replaces the corresponding information under the heading below.

**In the Fund Summary section - Purchase and sale of fund shares**

You may purchase, exchange or sell (redeem) shares each day the New York Stock Exchange is open through your financial intermediary or, for accounts held directly with the fund, by contacting the fund in writing or by telephone: Pioneer Funds, P.O. Box 534427, Pittsburgh, PA 15253-4427, tel. 1-800-225-6292.

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33231-00-0323 <br>©2023 Amundi Distributor US, Inc. <br>Underwriter of Pioneer mutual funds <br>Member SIPC

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