# EDGAR Filing Document

**Accession Number:** 0000076721
**File Stem:** 0001398344-23-006785
**Filing Date:** 2023-3
**Character Count:** 8789
**Document Hash:** 746eec342859924c14e1dda6e708bab8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001398344-23-006785.hdr.sgml**: 20230330

**ACCESSION NUMBER**: 0001398344-23-006785

**CONFORMED SUBMISSION TYPE**: 24F-2NT

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230330

**DATE AS OF CHANGE**: 20230330

**EFFECTIVENESS DATE**: 20230330

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** IMPAX FUNDS SERIES TRUST I
- **CENTRAL INDEX KEY:** 0000076721
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 24F-2NT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-38679
- **FILM NUMBER:** 23778509

**BUSINESS ADDRESS:**
- **STREET 1:** 30 PENHALLOW STREET, SUITE 400
- **CITY:** PORTSMOUTH
- **STATE:** NH
- **ZIP:** 03801-3852
- **BUSINESS PHONE:** 800-767-1729

**MAIL ADDRESS:**
- **STREET 1:** 30 PENHALLOW STREET, SUITE 400
- **CITY:** PORTSMOUTH
- **STATE:** NH
- **ZIP:** 03801-3852

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PAX WORLD FUNDS SERIES TRUST I
- **DATE OF NAME CHANGE:** 20070831

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PAX WORLD BALANCED FUND
- **DATE OF NAME CHANGE:** 20061113

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PAX WORLD BALANCED FUND INC
- **DATE OF NAME CHANGE:** 20040624

## Series and Classes Contracts Data

### Impax Sustainable Allocation Fund (Series ID: S000011971)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Investor Class      | PAXWX         | C000043250 |
| Institutional Class | PAXIX         | C000043251 |

---

### Impax High Yield Bond Fund (Series ID: S000015758)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Investor Class      | PAXHX         | C000043226 |
| Institutional Class | PXHIX         | C000043227 |
| Class A             | PXHAX         | C000128847 |

---

### Impax US Sustainable Economy Fund (Series ID: S000015763)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Investor Class      | PXWGX         | C000043241 |
| Institutional Class | PWGIX         | C000043242 |
| Class A             | PXGAX         | C000128848 |

---

### Impax Global Environmental Markets Fund (Series ID: S000021458)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Investor Class      | PGRNX         | C000061357 |
| Institutional Class | PGINX         | C000061358 |
| Class A             | PXEAX         | C000128849 |

---

### Impax Small Cap Fund (Series ID: S000021459)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Investor Class      | PXSCX         | C000061360 |
| Institutional Class | PXSIX         | C000061361 |
| Class A             | PXSAX         | C000128850 |

---

### Impax International Sustainable Economy Fund (Series ID: S000044216)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | PXNIX         | C000137561 |
| Investor Class      | PXINX         | C000137562 |

---

### Impax Large Cap Fund (Series ID: S000055844)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | PXLIX         | C000175860 |
| Investor Class      | PAXLX         | C000175861 |

---

### Impax Core Bond Fund (Series ID: S000055845)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | PXBIX         | C000175862 |
| Investor Class      | PAXBX         | C000175863 |

---

### Impax Global Sustainable Infrastructure Fund (Series ID: S000055846)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | PXDIX         | C000175864 |
| Investor Class      | PAXDX         | C000175865 |

---

### Impax Global Opportunities Fund (Series ID: S000062224)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | PXGOX         | C000201507 |
| Investor Class      | PAXGX         | C000201508 |

---

## Series and Classes Contracts Data

### Impax Sustainable Allocation Fund (Series ID: S000011971)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000043250 | Investor Class      | PAXWX           |
| C000043251 | Institutional Class | PAXIX           |

### Impax High Yield Bond Fund (Series ID: S000015758)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000043226 | Investor Class      | PAXHX           |
| C000043227 | Institutional Class | PXHIX           |
| C000128847 | Class A             | PXHAX           |

### Impax US Sustainable Economy Fund (Series ID: S000015763)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000043241 | Investor Class      | PXWGX           |
| C000043242 | Institutional Class | PWGIX           |
| C000128848 | Class A             | PXGAX           |

### Impax Global Environmental Markets Fund (Series ID: S000021458)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000061357 | Investor Class      | PGRNX           |
| C000061358 | Institutional Class | PGINX           |
| C000128849 | Class A             | PXEAX           |

### Impax Small Cap Fund (Series ID: S000021459)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000061360 | Investor Class      | PXSCX           |
| C000061361 | Institutional Class | PXSIX           |
| C000128850 | Class A             | PXSAX           |

### Impax International Sustainable Economy Fund (Series ID: S000044216)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000137561 | Institutional Class | PXNIX           |
| C000137562 | Investor Class      | PXINX           |

### Impax Large Cap Fund (Series ID: S000055844)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000175860 | Institutional Class | PXLIX           |
| C000175861 | Investor Class      | PAXLX           |

### Impax Core Bond Fund (Series ID: S000055845)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000175862 | Institutional Class | PXBIX           |
| C000175863 | Investor Class      | PAXBX           |

### Impax Global Sustainable Infrastructure Fund (Series ID: S000055846)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000175864 | Institutional Class | PXDIX           |
| C000175865 | Investor Class      | PAXDX           |

### Impax Global Opportunities Fund (Series ID: S000062224)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000201507 | Institutional Class | PXGOX           |
| C000201508 | Investor Class      | PAXGX           |

## FORM 24F-2NT: Annual Notice of Securities Sold Pursuant to Rule 24f-2

### 24F-2NT: Filer Information

**Filer CIK:** 0000076721

**Is this a LIVE or TEST Filing?:** LIVE

**Filer Investment Company Type:** N-1A

### 24F-2NT: Annual Filing Information

**1. Name and address of issuer:**

- **Name of Issuer:** IMPAX FUNDS SERIES TRUST I

- **Address:** 30 Penhallow Street, Portsmouth, NH 03801

**2. The Name and EDGAR Identifier of each series or class of securities for which this Form is filed:**

- [ ] Check box if the Form is being filed for all series and classes of the issuer.

**3. Investment Company Act File Number:** 811-02064

   **Securities Act File Number:** 002-38679

**4(a). Last day of fiscal year for which this Form is filed:** 12/31/2022

**4(b). Check box if this Form is being filed late:** [ ]

**4(c). Check box if this is the last time the issuer will be filing this Form:** [ ]

**5. Calculation of registration fee:**

- **(i) Aggregate sale price of securities sold during the fiscal year:** $2479808455.00

- **(ii) Aggregate price of securities redeemed or repurchased during the fiscal year:** $1843001599.00

- **(iii) Aggregate price of securities redeemed or repurchased during any prior fiscal year:** $0.00

- **(iv) Total available redemption credits [add Items 5(ii) and 5(iii)]:** $1843001599.00

- **(v) Net sales:** $636806856.00

- **(vi) Redemption credits available for use in future years:** $0.00

- **(vii) Multiplier for determining registration fee:** 0.000110200

- **(viii) Registration fee due:** $70176.12

- **7. Interest due -- if this Form is being filed more than 90 days after the end of the issuer's fiscal year:** $0.00

- **8. Total of the amount of the registration fee due plus any interest due:** $70176.12

**Signatures**

**Name and Title:** Alicia DuBois, Treasurer

**Date:** 03/28/2023

**Signature:** /s/ ALICIA DUBOIS