# EDGAR Filing Document

**Accession Number:** 0000078713
**File Stem:** 0000276776-23-000033
**Filing Date:** 2023-2
**Character Count:** 41226
**Document Hash:** 5d3aa1dd2fa75e50ea19cc77f4e0fa9c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000276776-23-000033.hdr.sgml**: 20230228

**ACCESSION NUMBER**: 0000276776-23-000033

**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:** 23679925

**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:** 23679936

**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:** 23679924

**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:** 23679926

**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:** 23679933

**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:** 23679929

**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:** 23679922

**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:** 23679935

**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:** 23679927

**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:** 23679934

**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:** 23679928

**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:** 23679931

**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:** 23679937

**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:** 23679923

**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:** 23679930

**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:** 23679932

**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 Statement of Additional Information, as in effect and as may be amended from time to time** 

---

| | |
|:---|:---|
| **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.

**Shareholder servicing/transfer agent**

The fund has contracted with BNY Mellon Investment Servicing (US) Inc., Attention: 534427, 500 Ross Street 154-0520, Pittsburgh, PA 15262, to act as shareholder servicing and transfer agent for the fund.

------

Under the terms of its contract with the fund, BNY Mellon Investment Servicing (US) Inc. services shareholder accounts, and its duties include: (i) processing sales, redemptions and exchanges of shares of the fund; (ii) distributing dividends and capital gains associated with the fund's portfolio; and (iii) maintaining account records and responding to shareholder inquiries.

33233-00-0323 <br>©2023 Amundi Distributor US, Inc. <br>Underwriter of Pioneer mutual funds <br>Member SIPC

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