# EDGAR Filing Document

**Accession Number:** 0000798244
**File Stem:** 0001410368-26-057208
**Filing Date:** 2026-6
**Character Count:** 61235
**Document Hash:** f374fcb463c6c19c4c2f7ce6a8537a67
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-26-057208.hdr.sgml**: 20260605

**ACCESSION NUMBER**: 0001410368-26-057208

**CONFORMED SUBMISSION TYPE**: N-MFP3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260531

**FILED AS OF DATE**: 20260605

**DATE AS OF CHANGE**: 20260605

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MFS SERIES TRUST I
- **CENTRAL INDEX KEY:** 0000798244

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1130

**FILING VALUES:**
- **FORM TYPE:** N-MFP3
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-04777
- **FILM NUMBER:** 261066987

**BUSINESS ADDRESS:**
- **STREET 1:** 111 HUNTINGTON AVENUE
- **STREET 2:** 21ST FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199
- **BUSINESS PHONE:** 18006372929

**MAIL ADDRESS:**
- **STREET 1:** 111 HUNTINGTON AVENUE
- **STREET 2:** 21ST FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MFS SERIES TRUST I /MA/
- **DATE OF NAME CHANGE:** 19940427

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MFS LIFETIME MANAGED SECTORS FUND
- **DATE OF NAME CHANGE:** 19930408

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LIFETIME MANAGED SECTORS TRUST
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### MFS U.S. Government Cash Reserve Fund (Series ID: S000000762)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000002179 | A            | MSRXX           |
| C000002182 | B            | MCRXX           |
| C000002183 | C            | MCCXX           |
| C000002184 | R1           | CRVXX           |
| C000002186 | R2           | CRMXX           |
| C000002187 | R3           | CRJXX           |
| C000002188 | R4           | CRKXX           |
| C000206004 | R6           | CRRXX           |
| C000206005 | I            | CRHXX           |

# Form N-MFP3: Monthly Schedule of Portfolio Holdings

## N-MFP: Filer Information
**Submission Type:** N-MFP3
**CIK:** 0000798244

### General Information

**Report for (YYYY-MM-DD):** 2026-05-31

**Registrant Full Name:** MFS Series Trust I

**CIK Number of Registrant:** 0000798244

**LEI of Registrant:** 549300QRB5FQ35HH3533

**Name of Series:** MFS U.S. Government Cash Reserve Fund

**LEI of Series:** CQT3VZHUKW04X1YLM325

**EDGAR Series Identifier:** S000000762

**Total number of share classes in the series:** 9

**Is this the fund's final filing on Form N-MFP?:** No

**Has the fund acquired or merged with another fund?:** No

## Part A: Series-Level Information about the Fund

### Service Providers
| Role                          | Details                                            | File/CIK Number   |
|:---|:---|:---|
| Investment Adviser            | Massachusetts Financial Services Company           | 801-17352         |
| Independent Public Accountant | Deloitte & Touche LLP<br>City: Boston<br>State: MA |  |
| Administrator                 | Massachusetts Financial Services Company           |  |
| Transfer Agent                | MFS Service Center, Inc<br>CIK: 0000769188         | 084-01316         |

### Fund Characteristics & Assets

- **Securities Act File Number:** 033-07638

- **Is this a Feeder Fund?:** No

- **Is this a Master Fund?:** No

- **Is this series for insurance company separate accounts?:** No

- **Money Market Fund Category:** Government

- **Is this a Retail Money Market Fund?:** No

- **Is this a Government Money Market Fund?:** No

- **WAM:** 40 days

- **WAL:** 40 days

- **Total Value of Portfolio Securities:** $463750292.79

- **Amortized Cost of Portfolio Securities:** $463796090.73

- **Cash:** $1.47

- **Total Other Assets:** $126684.13

- **Total Liabilities:** $1625675.46

- **Net Assets of Series:** $462297100.87

- **Number of Shares Outstanding (Series):** 462526646.8460

- **Does the fund seek to maintain a stable price per share?:** Yes

- **Stable Price Per Share:** $1.00

- **Is cash management vehicle an affiliated fund?:** No

- **Does the fund apply liquidity fees?:** No

### Daily & Weekly Liquid Assets
| Date       | Daily Liquid Assets ($)   | Weekly Liquid Assets ($)   | Daily Liquid Assets (%)   | Weekly Liquid Assets (%)   |
|:---|:---|:---|:---|:---|
| 2026-05-01 | $328753434.91             | $420595752.99              | 69.3700%                  | 88.7500%                   |
| 2026-05-04 | $329355587.58             | $421227476.84              | 69.4300%                  | 88.7900%                   |
| 2026-05-05 | $328187439.40             | $420068517.32              | 69.3500%                  | 88.7700%                   |
| 2026-05-06 | $328053560.88             | $419944110.00              | 69.3400%                  | 88.7600%                   |
| 2026-05-07 | $353298275.86             | $419201272.73              | 74.7900%                  | 88.7400%                   |
| 2026-05-08 | $353167701.57             | $419077234.78              | 74.7700%                  | 88.7300%                   |
| 2026-05-11 | $338159357.09             | $421981475.98              | 71.7000%                  | 89.4800%                   |
| 2026-05-12 | $338052663.26             | $421883402.20              | 71.7100%                  | 89.4900%                   |
| 2026-05-13 | $337562190.07             | $421400959.17              | 71.6800%                  | 89.4800%                   |
| 2026-05-14 | $338346639.70             | $422194538.95              | 71.7200%                  | 89.4900%                   |
| 2026-05-15 | $337930074.82             | $421785918.21              | 71.6900%                  | 89.4800%                   |
| 2026-05-18 | $338013107.87             | $421894175.93              | 71.7000%                  | 89.4900%                   |
| 2026-05-19 | $318075448.23             | $416379727.33              | 68.2400%                  | 89.3300%                   |
| 2026-05-20 | $332851440.05             | $416766780.85              | 71.3800%                  | 89.3800%                   |
| 2026-05-21 | $332186636.53             | $429728410.28              | 71.3400%                  | 92.2800%                   |
| 2026-05-22 | $320731774.78             | $418283215.51              | 68.9300%                  | 89.8900%                   |
| 2026-05-26 | $334692802.84             | $417882242.29              | 71.9800%                  | 89.8800%                   |
| 2026-05-27 | $334194764.35             | $417391808.07              | 71.9300%                  | 89.8300%                   |
| 2026-05-28 | $333924025.45             | $417128730.93              | 71.9500%                  | 89.8800%                   |
| 2026-05-29 | $333650386.32             | $416863788.52              | 71.9200%                  | 89.8600%                   |

### 7-Day Gross Yield
| Date       | 7-Day Gross Yield   |
|:---|:---|
| 2026-05-01 | 3.6700%             |
| 2026-05-04 | 3.6600%             |
| 2026-05-05 | 3.6600%             |
| 2026-05-06 | 3.6600%             |
| 2026-05-07 | 3.6600%             |
| 2026-05-08 | 3.6500%             |
| 2026-05-11 | 3.6500%             |
| 2026-05-12 | 3.6500%             |
| 2026-05-13 | 3.6500%             |
| 2026-05-14 | 3.6500%             |
| 2026-05-15 | 3.6400%             |
| 2026-05-18 | 3.6400%             |
| 2026-05-19 | 3.6300%             |
| 2026-05-20 | 3.6300%             |
| 2026-05-21 | 3.6300%             |
| 2026-05-22 | 3.6300%             |
| 2026-05-26 | 3.6400%             |
| 2026-05-27 | 3.6400%             |
| 2026-05-28 | 3.6500%             |
| 2026-05-29 | 3.6600%             |

### Daily Net Asset Value per Share (Series)
| Date       | Net Asset Value per Share   |
|:---|:---|
| 2026-05-01 | 0.9994                      |
|  |  |
| 2026-05-04 | 0.9995                      |
|  |  |
| 2026-05-05 | 0.9995                      |
|  |  |
| 2026-05-06 | 0.9995                      |
|  |  |
| 2026-05-07 | 0.9995                      |
|  |  |
| 2026-05-08 | 0.9995                      |
|  |  |
| 2026-05-11 | 0.9995                      |
|  |  |
| 2026-05-12 | 0.9995                      |
|  |  |
| 2026-05-13 | 0.9995                      |
|  |  |
| 2026-05-14 | 0.9995                      |
|  |  |
| 2026-05-15 | 0.9994                      |
|  |  |
| 2026-05-18 | 0.9995                      |
|  |  |
| 2026-05-19 | 0.9995                      |
|  |  |
| 2026-05-20 | 0.9995                      |
|  |  |
| 2026-05-21 | 0.9995                      |
|  |  |
| 2026-05-22 | 0.9994                      |
|  |  |
| 2026-05-26 | 0.9995                      |
|  |  |
| 2026-05-27 | 0.9995                      |
|  |  |
| 2026-05-28 | 0.9995                      |
|  |  |
| 2026-05-29 | 0.9994                      |
|  |  |

## Part B: Class-Level Information about the Fund

### Class: A

- **Minimum Initial Investment:** $1000.00

- **Net Assets of Class:** $140367103.47

- **Number of Shares Outstanding:** 140436824.1650

- **Expense Reimbursement/Waiver:** 49676.00

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-05-01 | 0.9994          |
|  |  |
| 2026-05-04 | 0.9995          |
|  |  |
| 2026-05-05 | 0.9995          |
|  |  |
| 2026-05-06 | 0.9995          |
|  |  |
| 2026-05-07 | 0.9995          |
|  |  |
| 2026-05-08 | 0.9994          |
|  |  |
| 2026-05-11 | 0.9995          |
|  |  |
| 2026-05-12 | 0.9995          |
|  |  |
| 2026-05-13 | 0.9995          |
|  |  |
| 2026-05-14 | 0.9995          |
|  |  |
| 2026-05-15 | 0.9994          |
|  |  |
| 2026-05-18 | 0.9995          |
|  |  |
| 2026-05-19 | 0.9995          |
|  |  |
| 2026-05-20 | 0.9995          |
|  |  |
| 2026-05-21 | 0.9995          |
|  |  |
| 2026-05-22 | 0.9994          |
|  |  |
| 2026-05-26 | 0.9995          |
|  |  |
| 2026-05-27 | 0.9995          |
|  |  |
| 2026-05-28 | 0.9995          |
|  |  |
| 2026-05-29 | 0.9994          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-05-01 | $459574.23                | $258347.03              |
| 2026-05-04 | $478043.88                | $122433.32              |
| 2026-05-05 | $14023.40                 | $1067114.55             |
| 2026-05-06 | $136435.75                | $98108.73               |
| 2026-05-07 | $43869.62                 | $670665.09              |
| 2026-05-08 | $328827.67                | $411637.57              |
| 2026-05-11 | $5217.73                  | $313994.47              |
| 2026-05-12 | $482278.36                | $417278.35              |
| 2026-05-13 | $243223.75                | $480177.12              |
| 2026-05-14 | $1007553.98               | $79068.02               |
| 2026-05-15 | $81368.29                 | $486031.44              |
| 2026-05-18 | $417826.92                | $185179.53              |
| 2026-05-19 | $328145.95                | $761269.97              |
| 2026-05-20 | $377596.98                | $24357.80               |
| 2026-05-21 | $118064.40                | $729453.01              |
| 2026-05-22 | $664.05                   | $361551.16              |
| 2026-05-26 | $1500.00                  | $213793.93              |
| 2026-05-27 | $298251.62                | $279019.39              |
| 2026-05-28 | $80051.86                 | $288152.63              |
| 2026-05-29 | $587.55                   | $85931.21               |

**Total Gross Subscriptions (Month):** $4903105.99

**Total Gross Redemptions (Month):** $7333564.32

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-05-01 | 3.2500%           |
| 2026-05-04 | 3.2400%           |
| 2026-05-05 | 3.2400%           |
| 2026-05-06 | 3.2400%           |
| 2026-05-07 | 3.2300%           |
| 2026-05-08 | 3.2300%           |
| 2026-05-11 | 3.2300%           |
| 2026-05-12 | 3.2300%           |
| 2026-05-13 | 3.2300%           |
| 2026-05-14 | 3.2200%           |
| 2026-05-15 | 3.2200%           |
| 2026-05-18 | 3.2200%           |
| 2026-05-19 | 3.2100%           |
| 2026-05-20 | 3.2100%           |
| 2026-05-21 | 3.2100%           |
| 2026-05-22 | 3.2100%           |
| 2026-05-26 | 3.2100%           |
| 2026-05-27 | 3.2200%           |
| 2026-05-28 | 3.2300%           |
| 2026-05-29 | 3.2400%           |

**Beneficial/Record Owner Categories**
| Category      | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Broker-dealer |  | 33.6800%         | 0.0000%              |

### Class: B

- **Minimum Initial Investment:** $1000.00

- **Net Assets of Class:** $431559.36

- **Number of Shares Outstanding:** 431773.5150

- **Expense Reimbursement/Waiver:** 448.00

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-05-01 | 0.9994          |
|  |  |
| 2026-05-04 | 0.9995          |
|  |  |
| 2026-05-05 | 0.9995          |
|  |  |
| 2026-05-06 | 0.9995          |
|  |  |
| 2026-05-07 | 0.9995          |
|  |  |
| 2026-05-08 | 0.9995          |
|  |  |
| 2026-05-11 | 0.9995          |
|  |  |
| 2026-05-12 | 0.9995          |
|  |  |
| 2026-05-13 | 0.9995          |
|  |  |
| 2026-05-14 | 0.9995          |
|  |  |
| 2026-05-15 | 0.9995          |
|  |  |
| 2026-05-18 | 0.9995          |
|  |  |
| 2026-05-19 | 0.9995          |
|  |  |
| 2026-05-20 | 0.9995          |
|  |  |
| 2026-05-21 | 0.9995          |
|  |  |
| 2026-05-22 | 0.9994          |
|  |  |
| 2026-05-26 | 0.9995          |
|  |  |
| 2026-05-27 | 0.9995          |
|  |  |
| 2026-05-28 | 0.9995          |
|  |  |
| 2026-05-29 | 0.9994          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-05-01 | $18279.68                 | $359.21                 |
| 2026-05-05 | $8387.85                  | $0.00                   |
| 2026-05-08 | $0.00                     | $2.75                   |
| 2026-05-11 | $0.00                     | $16930.09               |
| 2026-05-18 | $0.00                     | $3.42                   |
| 2026-05-19 | $0.00                     | $19223.22               |
| 2026-05-20 | $0.00                     | $8387.85                |
| 2026-05-22 | $3.92                     | $0.00                   |
| 2026-05-26 | $0.00                     | $33.59                  |
| 2026-05-28 | $0.00                     | $1040.43                |

**Total Gross Subscriptions (Month):** $26671.45

**Total Gross Redemptions (Month):** $45980.56

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-05-01 | 3.2500%           |
| 2026-05-04 | 3.2400%           |
| 2026-05-05 | 3.2400%           |
| 2026-05-06 | 3.2400%           |
| 2026-05-07 | 3.2300%           |
| 2026-05-08 | 3.2300%           |
| 2026-05-11 | 3.2300%           |
| 2026-05-12 | 3.2300%           |
| 2026-05-13 | 3.2300%           |
| 2026-05-14 | 3.2200%           |
| 2026-05-15 | 3.2200%           |
| 2026-05-18 | 3.2200%           |
| 2026-05-19 | 3.2100%           |
| 2026-05-20 | 3.2100%           |
| 2026-05-21 | 3.2100%           |
| 2026-05-22 | 3.2100%           |
| 2026-05-26 | 3.2100%           |
| 2026-05-27 | 3.2200%           |
| 2026-05-28 | 3.2300%           |
| 2026-05-29 | 3.2400%           |

**Beneficial/Record Owner Categories**
| Category        | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Broker-dealer   |  | 19.7900%         | 0.0000%              |
| Broker-dealer   |  | 9.3300%          | 0.0000%              |
| Retail investor |  | 7.4400%          | 0.0000%              |
| Retail investor |  | 7.6400%          | 0.0000%              |

### Class: C

- **Minimum Initial Investment:** $1000.00

- **Net Assets of Class:** $8104593.59

- **Number of Shares Outstanding:** 8108659.3260

- **Expense Reimbursement/Waiver:** 10942.00

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-05-01 | 0.9994          |
|  |  |
| 2026-05-04 | 0.9995          |
|  |  |
| 2026-05-05 | 0.9995          |
|  |  |
| 2026-05-06 | 0.9995          |
|  |  |
| 2026-05-07 | 0.9995          |
|  |  |
| 2026-05-08 | 0.9994          |
|  |  |
| 2026-05-11 | 0.9995          |
|  |  |
| 2026-05-12 | 0.9995          |
|  |  |
| 2026-05-13 | 0.9995          |
|  |  |
| 2026-05-14 | 0.9995          |
|  |  |
| 2026-05-15 | 0.9994          |
|  |  |
| 2026-05-18 | 0.9995          |
|  |  |
| 2026-05-19 | 0.9992          |
|  |  |
| 2026-05-20 | 0.9992          |
|  |  |
| 2026-05-21 | 0.9992          |
|  |  |
| 2026-05-22 | 0.9994          |
|  |  |
| 2026-05-26 | 0.9995          |
|  |  |
| 2026-05-27 | 0.9995          |
|  |  |
| 2026-05-28 | 0.9995          |
|  |  |
| 2026-05-29 | 0.9994          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-05-01 | $35837.82                 | $47017.35               |
| 2026-05-04 | $89489.48                 | $7000.00                |
| 2026-05-05 | $23.30                    | $60229.20               |
| 2026-05-06 | $81.31                    | $757.07                 |
| 2026-05-07 | $27499.26                 | $3000.00                |
| 2026-05-08 | $0.00                     | $6216.03                |
| 2026-05-11 | $0.00                     | $18700.85               |
| 2026-05-12 | $0.00                     | $38906.11               |
| 2026-05-14 | $0.00                     | $5612.99                |
| 2026-05-15 | $0.00                     | $30963.57               |
| 2026-05-18 | $0.00                     | $16954.44               |
| 2026-05-19 | $1604.70                  | $4865148.51             |
| 2026-05-21 | $0.00                     | $24495.80               |
| 2026-05-22 | $8424.92                  | $400.00                 |
| 2026-05-26 | $5607.30                  | $23798.64               |
| 2026-05-27 | $0.00                     | $50238.64               |
| 2026-05-28 | $0.00                     | $2823.48                |
| 2026-05-29 | $8322.41                  | $46317.12               |

**Total Gross Subscriptions (Month):** $176890.50

**Total Gross Redemptions (Month):** $5248579.80

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-05-01 | 3.2500%           |
| 2026-05-04 | 3.2400%           |
| 2026-05-05 | 3.2400%           |
| 2026-05-06 | 3.2400%           |
| 2026-05-07 | 3.2300%           |
| 2026-05-08 | 3.2300%           |
| 2026-05-11 | 3.2300%           |
| 2026-05-12 | 3.2300%           |
| 2026-05-13 | 3.2300%           |
| 2026-05-14 | 3.2200%           |
| 2026-05-15 | 3.2200%           |
| 2026-05-18 | 3.2200%           |
| 2026-05-19 | 3.2100%           |
| 2026-05-20 | 3.2100%           |
| 2026-05-21 | 3.2100%           |
| 2026-05-22 | 3.2100%           |
| 2026-05-26 | 3.2100%           |
| 2026-05-27 | 3.2200%           |
| 2026-05-28 | 3.2300%           |
| 2026-05-29 | 3.2400%           |

**Beneficial/Record Owner Categories**
| Category      | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Broker-dealer |  | 15.3100%         | 0.0000%              |
| Broker-dealer |  | 10.8400%         | 0.0000%              |
| Broker-dealer |  | 13.6000%         | 0.0000%              |

### Class: R1

- **Minimum Initial Investment:** $1.00

- **Net Assets of Class:** $5316496.56

- **Number of Shares Outstanding:** 5319125.6090

- **Expense Reimbursement/Waiver:** 5232.00

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-05-01 | 0.9994          |
|  |  |
| 2026-05-04 | 0.9995          |
|  |  |
| 2026-05-05 | 0.9995          |
|  |  |
| 2026-05-06 | 0.9995          |
|  |  |
| 2026-05-07 | 0.9995          |
|  |  |
| 2026-05-08 | 0.9994          |
|  |  |
| 2026-05-11 | 0.9995          |
|  |  |
| 2026-05-12 | 0.9995          |
|  |  |
| 2026-05-13 | 0.9995          |
|  |  |
| 2026-05-14 | 0.9995          |
|  |  |
| 2026-05-15 | 0.9994          |
|  |  |
| 2026-05-18 | 0.9995          |
|  |  |
| 2026-05-19 | 0.9995          |
|  |  |
| 2026-05-20 | 0.9995          |
|  |  |
| 2026-05-21 | 0.9995          |
|  |  |
| 2026-05-22 | 0.9994          |
|  |  |
| 2026-05-26 | 0.9995          |
|  |  |
| 2026-05-27 | 0.9995          |
|  |  |
| 2026-05-28 | 0.9995          |
|  |  |
| 2026-05-29 | 0.9994          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-05-01 | $17079.43                 | $492.02                 |
| 2026-05-04 | $4805.72                  | $102.87                 |
| 2026-05-05 | $1877.23                  | $0.00                   |
| 2026-05-06 | $28.96                    | $28822.67               |
| 2026-05-07 | $1169.60                  | $671.57                 |
| 2026-05-08 | $954.01                   | $564.56                 |
| 2026-05-11 | $102488.22                | $0.00                   |
| 2026-05-12 | $1235.54                  | $3108.27                |
| 2026-05-13 | $3587.25                  | $2241.21                |
| 2026-05-14 | $4.83                     | $0.00                   |
| 2026-05-15 | $35.83                    | $0.00                   |
| 2026-05-18 | $2639.37                  | $1787.28                |
| 2026-05-19 | $354.47                   | $28988.27               |
| 2026-05-20 | $6062.24                  | $2374.26                |
| 2026-05-21 | $224.99                   | $144.44                 |
| 2026-05-22 | $822.22                   | $0.00                   |
| 2026-05-26 | $2594.69                  | $104.33                 |
| 2026-05-27 | $648.74                   | $0.00                   |
| 2026-05-28 | $1512.61                  | $171.81                 |
| 2026-05-29 | $670.88                   | $0.00                   |

**Total Gross Subscriptions (Month):** $148796.83

**Total Gross Redemptions (Month):** $69573.56

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-05-01 | 3.2500%           |
| 2026-05-04 | 3.2400%           |
| 2026-05-05 | 3.2400%           |
| 2026-05-06 | 3.2400%           |
| 2026-05-07 | 3.2300%           |
| 2026-05-08 | 3.2300%           |
| 2026-05-11 | 3.2300%           |
| 2026-05-12 | 3.2300%           |
| 2026-05-13 | 3.2200%           |
| 2026-05-14 | 3.2200%           |
| 2026-05-15 | 3.2200%           |
| 2026-05-18 | 3.2200%           |
| 2026-05-19 | 3.2100%           |
| 2026-05-20 | 3.2100%           |
| 2026-05-21 | 3.2100%           |
| 2026-05-22 | 3.2100%           |
| 2026-05-26 | 3.2100%           |
| 2026-05-27 | 3.2200%           |
| 2026-05-28 | 3.2300%           |
| 2026-05-29 | 3.2400%           |

**Beneficial/Record Owner Categories**
| Category      | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Broker-dealer |  | 98.9900%         | 0.0000%              |

### Class: R2

- **Minimum Initial Investment:** $1.00

- **Net Assets of Class:** $14057778.22

- **Number of Shares Outstanding:** 14064758.5430

- **Expense Reimbursement/Waiver:** 8013.00

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-05-01 | 0.9994          |
|  |  |
| 2026-05-04 | 0.9995          |
|  |  |
| 2026-05-05 | 0.9995          |
|  |  |
| 2026-05-06 | 0.9995          |
|  |  |
| 2026-05-07 | 0.9995          |
|  |  |
| 2026-05-08 | 0.9995          |
|  |  |
| 2026-05-11 | 0.9995          |
|  |  |
| 2026-05-12 | 0.9995          |
|  |  |
| 2026-05-13 | 0.9995          |
|  |  |
| 2026-05-14 | 0.9995          |
|  |  |
| 2026-05-15 | 0.9994          |
|  |  |
| 2026-05-18 | 0.9995          |
|  |  |
| 2026-05-19 | 0.9995          |
|  |  |
| 2026-05-20 | 0.9995          |
|  |  |
| 2026-05-21 | 0.9995          |
|  |  |
| 2026-05-22 | 0.9994          |
|  |  |
| 2026-05-26 | 0.9995          |
|  |  |
| 2026-05-27 | 0.9995          |
|  |  |
| 2026-05-28 | 0.9995          |
|  |  |
| 2026-05-29 | 0.9994          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-05-01 | $126078.97                | $0.00                   |
| 2026-05-04 | $9575.77                  | $2740.25                |
| 2026-05-05 | $2535.21                  | $0.00                   |
| 2026-05-06 | $6743.34                  | $1800.00                |
| 2026-05-07 | $2166.51                  | $5.40                   |
| 2026-05-08 | $12305.55                 | $61450.98               |
| 2026-05-11 | $1590.76                  | $121270.31              |
| 2026-05-12 | $2454.56                  | $1020.64                |
| 2026-05-13 | $327.88                   | $61147.37               |
| 2026-05-14 | $2212.35                  | $1965.10                |
| 2026-05-15 | $0.00                     | $130472.43              |
| 2026-05-18 | $6547.01                  | $2452.77                |
| 2026-05-19 | $9304.06                  | $0.00                   |
| 2026-05-20 | $1863.78                  | $0.00                   |
| 2026-05-21 | $9271.79                  | $5000.00                |
| 2026-05-22 | $241.98                   | $4.25                   |
| 2026-05-26 | $0.00                     | $32955.49               |
| 2026-05-27 | $4756.58                  | $27764.25               |
| 2026-05-28 | $3411.84                  | $458.38                 |
| 2026-05-29 | $8766.14                  | $2.67                   |

**Total Gross Subscriptions (Month):** $210154.08

**Total Gross Redemptions (Month):** $450510.29

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-05-01 | 3.2400%           |
| 2026-05-04 | 3.2400%           |
| 2026-05-05 | 3.2400%           |
| 2026-05-06 | 3.2400%           |
| 2026-05-07 | 3.2300%           |
| 2026-05-08 | 3.2300%           |
| 2026-05-11 | 3.2300%           |
| 2026-05-12 | 3.2300%           |
| 2026-05-13 | 3.2300%           |
| 2026-05-14 | 3.2300%           |
| 2026-05-15 | 3.2200%           |
| 2026-05-18 | 3.2200%           |
| 2026-05-19 | 3.2200%           |
| 2026-05-20 | 3.2100%           |
| 2026-05-21 | 3.2100%           |
| 2026-05-22 | 3.2100%           |
| 2026-05-26 | 3.2100%           |
| 2026-05-27 | 3.2200%           |
| 2026-05-28 | 3.2300%           |
| 2026-05-29 | 3.2400%           |

**Beneficial/Record Owner Categories**
| Category      | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Broker-dealer |  | 92.5800%         | 0.0000%              |

### Class: R3

- **Minimum Initial Investment:** $1.00

- **Net Assets of Class:** $7825192.31

- **Number of Shares Outstanding:** 7829017.6880

- **Expense Reimbursement/Waiver:** 2766.00

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-05-01 | 0.9994          |
|  |  |
| 2026-05-04 | 0.9995          |
|  |  |
| 2026-05-05 | 0.9995          |
|  |  |
| 2026-05-06 | 0.9995          |
|  |  |
| 2026-05-07 | 0.9995          |
|  |  |
| 2026-05-08 | 0.9995          |
|  |  |
| 2026-05-11 | 0.9995          |
|  |  |
| 2026-05-12 | 0.9995          |
|  |  |
| 2026-05-13 | 0.9995          |
|  |  |
| 2026-05-14 | 0.9995          |
|  |  |
| 2026-05-15 | 0.9994          |
|  |  |
| 2026-05-18 | 0.9995          |
|  |  |
| 2026-05-19 | 0.9995          |
|  |  |
| 2026-05-20 | 0.9995          |
|  |  |
| 2026-05-21 | 0.9995          |
|  |  |
| 2026-05-22 | 0.9994          |
|  |  |
| 2026-05-26 | 0.9995          |
|  |  |
| 2026-05-27 | 0.9995          |
|  |  |
| 2026-05-28 | 0.9995          |
|  |  |
| 2026-05-29 | 0.9994          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-05-01 | $29585.66                 | $6756.60                |
| 2026-05-04 | $9462.14                  | $189.76                 |
| 2026-05-05 | $0.00                     | $1218.38                |
| 2026-05-06 | $19984.53                 | $309.58                 |
| 2026-05-07 | $540.62                   | $94.54                  |
| 2026-05-08 | $6.73                     | $16252.22               |
| 2026-05-11 | $1248.17                  | $3202.12                |
| 2026-05-12 | $7613.42                  | $3955.90                |
| 2026-05-13 | $1060.61                  | $18660.23               |
| 2026-05-14 | $1896.93                  | $0.00                   |
| 2026-05-15 | $0.00                     | $1363.08                |
| 2026-05-18 | $5417.02                  | $3310.51                |
| 2026-05-19 | $38946.24                 | $0.00                   |
| 2026-05-20 | $921.27                   | $35.14                  |
| 2026-05-21 | $120.90                   | $5714.60                |
| 2026-05-22 | $0.00                     | $178877.79              |
| 2026-05-26 | $117157.48                | $4123.08                |
| 2026-05-27 | $8858.26                  | $332.42                 |
| 2026-05-28 | $1509.47                  | $25983.48               |
| 2026-05-29 | $5527.57                  | $5660.10                |

**Total Gross Subscriptions (Month):** $249857.02

**Total Gross Redemptions (Month):** $276039.53

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-05-01 | 3.2500%           |
| 2026-05-04 | 3.2400%           |
| 2026-05-05 | 3.2400%           |
| 2026-05-06 | 3.2400%           |
| 2026-05-07 | 3.2300%           |
| 2026-05-08 | 3.2300%           |
| 2026-05-11 | 3.2300%           |
| 2026-05-12 | 3.2300%           |
| 2026-05-13 | 3.2300%           |
| 2026-05-14 | 3.2300%           |
| 2026-05-15 | 3.2200%           |
| 2026-05-18 | 3.2200%           |
| 2026-05-19 | 3.2100%           |
| 2026-05-20 | 3.2100%           |
| 2026-05-21 | 3.2100%           |
| 2026-05-22 | 3.2100%           |
| 2026-05-26 | 3.2200%           |
| 2026-05-27 | 3.2200%           |
| 2026-05-28 | 3.2300%           |
| 2026-05-29 | 3.2400%           |

**Beneficial/Record Owner Categories**
| Category      | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Broker-dealer |  | 7.8300%          | 0.0000%              |
| Broker-dealer |  | 12.2600%         | 0.0000%              |
| Broker-dealer |  | 24.6600%         | 0.0000%              |
| Broker-dealer |  | 51.8100%         | 0.0000%              |

### Class: R4

- **Minimum Initial Investment:** $1.00

- **Net Assets of Class:** $65523.91

- **Number of Shares Outstanding:** 65556.3400

- **Expense Reimbursement/Waiver:** 9.00

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-05-01 | 0.9994          |
|  |  |
| 2026-05-04 | 0.9995          |
|  |  |
| 2026-05-05 | 0.9995          |
|  |  |
| 2026-05-06 | 0.9995          |
|  |  |
| 2026-05-07 | 0.9995          |
|  |  |
| 2026-05-08 | 0.9995          |
|  |  |
| 2026-05-11 | 0.9995          |
|  |  |
| 2026-05-12 | 0.9995          |
|  |  |
| 2026-05-13 | 0.9995          |
|  |  |
| 2026-05-14 | 0.9995          |
|  |  |
| 2026-05-15 | 0.9994          |
|  |  |
| 2026-05-18 | 0.9995          |
|  |  |
| 2026-05-19 | 0.9995          |
|  |  |
| 2026-05-20 | 0.9995          |
|  |  |
| 2026-05-21 | 0.9995          |
|  |  |
| 2026-05-22 | 0.9994          |
|  |  |
| 2026-05-26 | 0.9995          |
|  |  |
| 2026-05-27 | 0.9995          |
|  |  |
| 2026-05-28 | 0.9995          |
|  |  |
| 2026-05-29 | 0.9994          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-05-01 | $174.38                   | $0.00                   |
| 2026-05-22 | $0.00                     | $0.83                   |

**Total Gross Subscriptions (Month):** $174.38

**Total Gross Redemptions (Month):** $0.83

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-05-01 | 3.2500%           |
| 2026-05-04 | 3.2400%           |
| 2026-05-05 | 3.2400%           |
| 2026-05-06 | 3.2400%           |
| 2026-05-07 | 3.2400%           |
| 2026-05-08 | 3.2300%           |
| 2026-05-11 | 3.2300%           |
| 2026-05-12 | 3.2300%           |
| 2026-05-13 | 3.2300%           |
| 2026-05-14 | 3.2300%           |
| 2026-05-15 | 3.2200%           |
| 2026-05-18 | 3.2200%           |
| 2026-05-19 | 3.2100%           |
| 2026-05-20 | 3.2100%           |
| 2026-05-21 | 3.2100%           |
| 2026-05-22 | 3.2100%           |
| 2026-05-26 | 3.2100%           |
| 2026-05-27 | 3.2200%           |
| 2026-05-28 | 3.2300%           |
| 2026-05-29 | 3.2400%           |

**Beneficial/Record Owner Categories**
| Category                      | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Registered investment company |  | 100.0000%        | 0.0000%              |

### Class: R6

- **Minimum Initial Investment:** $1.00

- **Net Assets of Class:** $263844700.90

- **Number of Shares Outstanding:** 263975734.7540

- **Expense Reimbursement/Waiver:** 36872.00

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-05-01 | 0.9994          |
|  |  |
| 2026-05-04 | 0.9995          |
|  |  |
| 2026-05-05 | 0.9995          |
|  |  |
| 2026-05-06 | 0.9995          |
|  |  |
| 2026-05-07 | 0.9995          |
|  |  |
| 2026-05-08 | 0.9995          |
|  |  |
| 2026-05-11 | 0.9995          |
|  |  |
| 2026-05-12 | 0.9995          |
|  |  |
| 2026-05-13 | 0.9995          |
|  |  |
| 2026-05-14 | 0.9995          |
|  |  |
| 2026-05-15 | 0.9994          |
|  |  |
| 2026-05-18 | 0.9995          |
|  |  |
| 2026-05-19 | 0.9995          |
|  |  |
| 2026-05-20 | 0.9995          |
|  |  |
| 2026-05-21 | 0.9995          |
|  |  |
| 2026-05-22 | 0.9994          |
|  |  |
| 2026-05-26 | 0.9995          |
|  |  |
| 2026-05-27 | 0.9995          |
|  |  |
| 2026-05-28 | 0.9995          |
|  |  |
| 2026-05-29 | 0.9994          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-05-01 | $765829.88                | $3479.44                |
| 2026-05-04 | $40199.70                 | $167499.92              |
| 2026-05-05 | $1571.01                  | $607757.01              |
| 2026-05-06 | $1997.62                  | $164984.43              |
| 2026-05-07 | $14501.41                 | $126114.68              |
| 2026-05-08 | $73249.93                 | $210452.12              |
| 2026-05-11 | $9593.86                  | $160732.17              |
| 2026-05-12 | $9902.82                  | $299043.17              |
| 2026-05-13 | $23.15                    | $91013.08               |
| 2026-05-14 | $246435.32                | $404073.20              |
| 2026-05-15 | $0.00                     | $35165.44               |
| 2026-05-18 | $60464.95                 | $167605.13              |
| 2026-05-19 | $83885.56                 | $339712.15              |
| 2026-05-20 | $3050.00                  | $66932.23               |
| 2026-05-21 | $96596.72                 | $119669.54              |
| 2026-05-22 | $87464.99                 | $183676.29              |
| 2026-05-26 | $14866.15                 | $325100.74              |
| 2026-05-27 | $2472.29                  | $181714.32              |
| 2026-05-28 | $5255.15                  | $183781.05              |
| 2026-05-29 | $18064.92                 | $227256.97              |

**Total Gross Subscriptions (Month):** $1535425.43

**Total Gross Redemptions (Month):** $4065763.08

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-05-01 | 3.3000%           |
| 2026-05-04 | 3.2900%           |
| 2026-05-05 | 3.2900%           |
| 2026-05-06 | 3.2900%           |
| 2026-05-07 | 3.2900%           |
| 2026-05-08 | 3.2800%           |
| 2026-05-11 | 3.2800%           |
| 2026-05-12 | 3.2800%           |
| 2026-05-13 | 3.2800%           |
| 2026-05-14 | 3.2800%           |
| 2026-05-15 | 3.2700%           |
| 2026-05-18 | 3.2700%           |
| 2026-05-19 | 3.2600%           |
| 2026-05-20 | 3.2600%           |
| 2026-05-21 | 3.2600%           |
| 2026-05-22 | 3.2600%           |
| 2026-05-26 | 3.2700%           |
| 2026-05-27 | 3.2700%           |
| 2026-05-28 | 3.2800%           |
| 2026-05-29 | 3.2900%           |

**Beneficial/Record Owner Categories**
| Category      | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Broker-dealer |  | 34.3000%         | 0.0000%              |
| Broker-dealer |  | 8.5700%          | 0.0000%              |
| Broker-dealer |  | 12.0900%         | 0.0000%              |
| Broker-dealer |  | 14.2100%         | 0.0000%              |
| Broker-dealer |  | 12.8500%         | 0.0000%              |
| Broker-dealer |  | 8.9100%          | 0.0000%              |
| Broker-dealer |  | 5.9600%          | 0.0000%              |

### Class: I

- **Minimum Initial Investment:** $1.00

- **Net Assets of Class:** $22284152.55

- **Number of Shares Outstanding:** 22295196.9060

- **Expense Reimbursement/Waiver:** 3106.00

**Daily Net Asset Value per Share (Class)**
| Date       | NAV per Share   |
|:---|:---|
| 2026-05-01 | 0.9994          |
|  |  |
| 2026-05-04 | 0.9995          |
|  |  |
| 2026-05-05 | 0.9995          |
|  |  |
| 2026-05-06 | 0.9995          |
|  |  |
| 2026-05-07 | 0.9995          |
|  |  |
| 2026-05-08 | 0.9995          |
|  |  |
| 2026-05-11 | 0.9995          |
|  |  |
| 2026-05-12 | 0.9995          |
|  |  |
| 2026-05-13 | 0.9995          |
|  |  |
| 2026-05-14 | 0.9995          |
|  |  |
| 2026-05-15 | 0.9994          |
|  |  |
| 2026-05-18 | 0.9995          |
|  |  |
| 2026-05-19 | 0.9995          |
|  |  |
| 2026-05-20 | 0.9995          |
|  |  |
| 2026-05-21 | 0.9995          |
|  |  |
| 2026-05-22 | 0.9994          |
|  |  |
| 2026-05-26 | 0.9995          |
|  |  |
| 2026-05-27 | 0.9995          |
|  |  |
| 2026-05-28 | 0.9995          |
|  |  |
| 2026-05-29 | 0.9994          |
|  |  |

**Daily Shareholder Flows**
| Date       | Gross Subscriptions ($)   | Gross Redemptions ($)   |
|:---|:---|:---|
| 2026-05-01 | $56038.50                 | $1696.05                |
| 2026-05-04 | $527.98                   | $0.00                   |
| 2026-05-06 | $400010.80                | $0.00                   |
| 2026-05-07 | $8.04                     | $0.00                   |
| 2026-05-11 | $0.00                     | $307335.13              |
| 2026-05-12 | $7500.00                  | $3000.00                |
| 2026-05-15 | $41607.09                 | $0.00                   |
| 2026-05-18 | $51.53                    | $23728.40               |
| 2026-05-20 | $88364.42                 | $0.00                   |
| 2026-05-22 | $0.00                     | $153160.21              |
| 2026-05-26 | $0.00                     | $9420.13                |
| 2026-05-29 | $0.00                     | $18863.51               |

**Total Gross Subscriptions (Month):** $594108.36

**Total Gross Redemptions (Month):** $517203.43

**7-Day Net Yield (Class)**
| Date       | 7-Day Net Yield   |
|:---|:---|
| 2026-05-01 | 3.2500%           |
| 2026-05-04 | 3.2400%           |
| 2026-05-05 | 3.2400%           |
| 2026-05-06 | 3.2400%           |
| 2026-05-07 | 3.2300%           |
| 2026-05-08 | 3.2300%           |
| 2026-05-11 | 3.2300%           |
| 2026-05-12 | 3.2300%           |
| 2026-05-13 | 3.2300%           |
| 2026-05-14 | 3.2200%           |
| 2026-05-15 | 3.2200%           |
| 2026-05-18 | 3.2200%           |
| 2026-05-19 | 3.2100%           |
| 2026-05-20 | 3.2100%           |
| 2026-05-21 | 3.2100%           |
| 2026-05-22 | 3.2100%           |
| 2026-05-26 | 3.2100%           |
| 2026-05-27 | 3.2200%           |
| 2026-05-28 | 3.2300%           |
| 2026-05-29 | 3.2400%           |

**Beneficial/Record Owner Categories**
| Category        | Other Category   | Record Owner %   | Beneficial Owner %   |
|:---|:---|:---|:---|
| Broker-dealer   |  | 28.6900%         | 0.0000%              |
| Retail investor |  | 6.8100%          | 0.0000%              |

## Part C: Schedule of Portfolio Securities

### Security 1: Bank of America NA

- **C.1 - Title:** Bank of America NA 3.610000%
- **C.6 - Investment Category:** U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash
- **Identifiers:** C.3 - CUSIP: 03199T002, C.3 - LEI: 549300HN4UKV1E2R3U73, C.5 - Other ID: 03199T002_3.61_0601
- **C.18 - Value (incl. sponsor support):** $85092000.00
- **C.18.a - Value (excl. sponsor support):** $85092000.00
- **C.19 - Percentage of Net Assets:** 18.4100%
- **C.17 - Yield as of Reporting Date:** 3.6100%
- **C.11 - Maturity Date (WAM):** 2026-06-01
- **C.12 - Maturity Date (WAL):** 2026-06-01
- **C.13 - Final Legal Maturity Date:** 2026-06-01
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

**C.8 - Repurchase Agreement Details:**

- **Is Open?:** No

- **Is Cleared?:** No

- **Is Tri-party?:** No

**Collateral:**
| Issuer Name        | Maturity Date   | Coupon   | Yield   | Principal Amount   | Collateral Value   | Category                           |
|:---|:---|:---|:---|:---|:---|:---|
| U.S. Treasury Bond | 2042-08-15      | 3.3750%  | 0.0000% | $103421000.00      | $87002916.25       | U.S. Treasuries (including strips) |

### Security 2: Federal Farm Credit Bank

- **C.1 - Title:** Federal Farm Credit Bank
- **C.6 - Investment Category:** U.S. Government Agency Debt (if categorized as no-coupon discount notes)
- **Identifiers:** C.3 - CUSIP: 313313H76, C.4 - ISIN: US313313H761, C.3 - LEI: 254900C5LP6DN9OP9V83
- **C.18 - Value (incl. sponsor support):** $8789793.26
- **C.18.a - Value (excl. sponsor support):** $8789793.26
- **C.19 - Percentage of Net Assets:** 1.9000%
- **C.17 - Yield as of Reporting Date:** 3.6000%
- **C.11 - Maturity Date (WAM):** 2026-09-30
- **C.12 - Maturity Date (WAL):** 2026-09-30
- **C.13 - Final Legal Maturity Date:** 2026-09-30
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 3: Federal Farm Credit Bank

- **C.1 - Title:** Federal Farm Credit Bank
- **C.6 - Investment Category:** U.S. Government Agency Debt (if categorized as no-coupon discount notes)
- **Identifiers:** C.3 - CUSIP: 313313XP8, C.4 - ISIN: US313313XP86, C.3 - LEI: 254900C5LP6DN9OP9V83
- **C.18 - Value (incl. sponsor support):** $11195482.70
- **C.18.a - Value (excl. sponsor support):** $11195482.70
- **C.19 - Percentage of Net Assets:** 2.4200%
- **C.17 - Yield as of Reporting Date:** 3.6300%
- **C.11 - Maturity Date (WAM):** 2026-06-02
- **C.12 - Maturity Date (WAL):** 2026-06-02
- **C.13 - Final Legal Maturity Date:** 2026-06-02
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 4: Federal Farm Credit Bank

- **C.1 - Title:** Federal Farm Credit Bank
- **C.6 - Investment Category:** U.S. Government Agency Debt (if categorized as no-coupon discount notes)
- **Identifiers:** C.3 - CUSIP: 313313YE2, C.4 - ISIN: US313313YE21, C.3 - LEI: 254900C5LP6DN9OP9V83
- **C.18 - Value (incl. sponsor support):** $10779309.04
- **C.18.a - Value (excl. sponsor support):** $10779309.04
- **C.19 - Percentage of Net Assets:** 2.3300%
- **C.17 - Yield as of Reporting Date:** 3.6300%
- **C.11 - Maturity Date (WAM):** 2026-06-17
- **C.12 - Maturity Date (WAL):** 2026-06-17
- **C.13 - Final Legal Maturity Date:** 2026-06-17
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 5: Federal Home Loan Bank

- **C.1 - Title:** Federal Home Loan Bank
- **C.6 - Investment Category:** U.S. Government Agency Debt (if categorized as no-coupon discount notes)
- **Identifiers:** C.3 - CUSIP: 313385C79, C.4 - ISIN: US313385C794, C.3 - LEI: 2549001DPIFGXC1TOL40
- **C.18 - Value (incl. sponsor support):** $11006501.04
- **C.18.a - Value (excl. sponsor support):** $11006501.04
- **C.19 - Percentage of Net Assets:** 2.3800%
- **C.17 - Yield as of Reporting Date:** 3.6100%
- **C.11 - Maturity Date (WAM):** 2026-08-21
- **C.12 - Maturity Date (WAL):** 2026-08-21
- **C.13 - Final Legal Maturity Date:** 2026-08-21
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 6: Federal Home Loan Bank

- **C.1 - Title:** Federal Home Loan Bank
- **C.6 - Investment Category:** U.S. Government Agency Debt (if categorized as no-coupon discount notes)
- **Identifiers:** C.3 - CUSIP: 313385E51, C.4 - ISIN: US313385E519, C.3 - LEI: 2549001DPIFGXC1TOL40
- **C.18 - Value (incl. sponsor support):** $14259075.98
- **C.18.a - Value (excl. sponsor support):** $14259075.98
- **C.19 - Percentage of Net Assets:** 3.0800%
- **C.17 - Yield as of Reporting Date:** 3.6000%
- **C.11 - Maturity Date (WAM):** 2026-09-04
- **C.12 - Maturity Date (WAL):** 2026-09-04
- **C.13 - Final Legal Maturity Date:** 2026-09-04
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 7: Federal Home Loan Bank

- **C.1 - Title:** Federal Home Loan Bank
- **C.6 - Investment Category:** U.S. Government Agency Debt (if categorized as no-coupon discount notes)
- **Identifiers:** C.3 - CUSIP: 313385J49, C.4 - ISIN: US313385J492, C.3 - LEI: 2549001DPIFGXC1TOL40
- **C.18 - Value (incl. sponsor support):** $12831135.46
- **C.18.a - Value (excl. sponsor support):** $12831135.46
- **C.19 - Percentage of Net Assets:** 2.7800%
- **C.17 - Yield as of Reporting Date:** 3.6300%
- **C.11 - Maturity Date (WAM):** 2026-10-05
- **C.12 - Maturity Date (WAL):** 2026-10-05
- **C.13 - Final Legal Maturity Date:** 2026-10-05
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? No, C.23 Categorized at Level 3? No

### Security 8: Federal Home Loan Bank

- **C.1 - Title:** Federal Home Loan Bank
- **C.6 - Investment Category:** U.S. Government Agency Debt (if categorized as no-coupon discount notes)
- **Identifiers:** C.3 - CUSIP: 313385ZD1, C.4 - ISIN: US313385ZD16, C.3 - LEI: 2549001DPIFGXC1TOL40
- **C.18 - Value (incl. sponsor support):** $17924295.06
- **C.18.a - Value (excl. sponsor support):** $17924295.06
- **C.19 - Percentage of Net Assets:** 3.8800%
- **C.17 - Yield as of Reporting Date:** 3.6100%
- **C.11 - Maturity Date (WAM):** 2026-07-10
- **C.12 - Maturity Date (WAL):** 2026-07-10
- **C.13 - Final Legal Maturity Date:** 2026-07-10
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 9: Federal Home Loan Bank

- **C.1 - Title:** Federal Home Loan Bank
- **C.6 - Investment Category:** U.S. Government Agency Debt (if categorized as no-coupon discount notes)
- **Identifiers:** C.3 - CUSIP: 313385ZL3, C.4 - ISIN: US313385ZL32, C.3 - LEI: 2549001DPIFGXC1TOL40
- **C.18 - Value (incl. sponsor support):** $14428851.26
- **C.18.a - Value (excl. sponsor support):** $14428851.26
- **C.19 - Percentage of Net Assets:** 3.1200%
- **C.17 - Yield as of Reporting Date:** 3.6100%
- **C.11 - Maturity Date (WAM):** 2026-07-17
- **C.12 - Maturity Date (WAL):** 2026-07-17
- **C.13 - Final Legal Maturity Date:** 2026-07-17
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 10: Federal Home Loan Mortgage Corp.

- **C.1 - Title:** Federal Home Loan Mortgage Corp.
- **C.6 - Investment Category:** U.S. Government Agency Debt (if categorized as no-coupon discount notes)
- **Identifiers:** C.3 - CUSIP: 313397ZP9, C.4 - ISIN: US313397ZP91, C.3 - LEI: S6XOOCT0IEG5ABCC6L87
- **C.18 - Value (incl. sponsor support):** $13628661.09
- **C.18.a - Value (excl. sponsor support):** $13628661.09
- **C.19 - Percentage of Net Assets:** 2.9500%
- **C.17 - Yield as of Reporting Date:** 3.6100%
- **C.11 - Maturity Date (WAM):** 2026-07-20
- **C.12 - Maturity Date (WAL):** 2026-07-20
- **C.13 - Final Legal Maturity Date:** 2026-07-20
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 11: Federal National Mortgage Assoc.

- **C.1 - Title:** Federal National Mortgage Assoc.
- **C.6 - Investment Category:** U.S. Government Agency Debt (if categorized as no-coupon discount notes)
- **Identifiers:** C.3 - CUSIP: 313589YP2, C.4 - ISIN: US313589YP25, C.3 - LEI: B1V7KEBTPIMZEU4LTD58
- **C.18 - Value (incl. sponsor support):** $15256803.05
- **C.18.a - Value (excl. sponsor support):** $15256803.05
- **C.19 - Percentage of Net Assets:** 3.3000%
- **C.17 - Yield as of Reporting Date:** 3.6300%
- **C.11 - Maturity Date (WAM):** 2026-06-26
- **C.12 - Maturity Date (WAL):** 2026-06-26
- **C.13 - Final Legal Maturity Date:** 2026-06-26
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? No, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 12: Fixed Income Clearing Corp. - State Street Bank & Trust Co.

- **C.1 - Title:** Fixed Income Clearing Corp. - State Street Bank & Trust Co. 3.580000%
- **C.6 - Investment Category:** U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash
- **Identifiers:** C.3 - CUSIP: 85748R009, C.3 - LEI: 549300H47WTHXPU08X20, C.5 - Other ID: 85748R009_3.58_0601
- **C.18 - Value (incl. sponsor support):** $85092717.00
- **C.18.a - Value (excl. sponsor support):** $85092717.00
- **C.19 - Percentage of Net Assets:** 18.4100%
- **C.17 - Yield as of Reporting Date:** 3.5800%
- **C.11 - Maturity Date (WAM):** 2026-06-01
- **C.12 - Maturity Date (WAL):** 2026-06-01
- **C.13 - Final Legal Maturity Date:** 2026-06-01
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

**C.8 - Repurchase Agreement Details:**

- **Is Open?:** No

- **Is Cleared?:** Yes

- **Name of CCP:** Fixed Income Clearing Corp.

- **Is Tri-party?:** No

**Collateral:**
| Issuer Name                           | Maturity Date   | Coupon   | Yield   | Principal Amount   | Collateral Value   | Category                           |
|:---|:---|:---|:---|:---|:---|:---|
| U.S. Treasury Inflation Indexed Bonds | 2028-01-15      | 1.7500%  | 0.0000% | $54543600.00       | $86794771.97       | U.S. Treasuries (including strips) |

### Security 13: U.S. Treasury Bill

- **C.1 - Title:** U.S. Treasury Bill
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 912797RF6, C.4 - ISIN: US912797RF64, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $15042181.65
- **C.18.a - Value (excl. sponsor support):** $15042181.65
- **C.19 - Percentage of Net Assets:** 3.2500%
- **C.17 - Yield as of Reporting Date:** 3.6900%
- **C.11 - Maturity Date (WAM):** 2026-07-09
- **C.12 - Maturity Date (WAL):** 2026-07-09
- **C.13 - Final Legal Maturity Date:** 2026-07-09
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 14: U.S. Treasury Bill

- **C.1 - Title:** U.S. Treasury Bill
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 912797SU2, C.4 - ISIN: US912797SU23, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $13157808.00
- **C.18.a - Value (excl. sponsor support):** $13157808.00
- **C.19 - Percentage of Net Assets:** 2.8500%
- **C.17 - Yield as of Reporting Date:** 3.7500%
- **C.11 - Maturity Date (WAM):** 2026-11-27
- **C.12 - Maturity Date (WAL):** 2026-11-27
- **C.13 - Final Legal Maturity Date:** 2026-11-27
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 15: U.S. Treasury Bill

- **C.1 - Title:** U.S. Treasury Bill
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 912797TE7, C.4 - ISIN: US912797TE71, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $17956560.06
- **C.18.a - Value (excl. sponsor support):** $17956560.06
- **C.19 - Percentage of Net Assets:** 3.8800%
- **C.17 - Yield as of Reporting Date:** 3.6800%
- **C.11 - Maturity Date (WAM):** 2026-06-25
- **C.12 - Maturity Date (WAL):** 2026-06-25
- **C.13 - Final Legal Maturity Date:** 2026-06-25
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 16: U.S. Treasury Bill

- **C.1 - Title:** U.S. Treasury Bill
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 912797TN7, C.4 - ISIN: US912797TN70, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $27873562.36
- **C.18.a - Value (excl. sponsor support):** $27873562.36
- **C.19 - Percentage of Net Assets:** 6.0300%
- **C.17 - Yield as of Reporting Date:** 3.6800%
- **C.11 - Maturity Date (WAM):** 2026-07-16
- **C.12 - Maturity Date (WAL):** 2026-07-16
- **C.13 - Final Legal Maturity Date:** 2026-07-16
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 17: U.S. Treasury Bill

- **C.1 - Title:** U.S. Treasury Bill
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 912797UA3, C.4 - ISIN: US912797UA31, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $15276826.93
- **C.18.a - Value (excl. sponsor support):** $15276826.93
- **C.19 - Percentage of Net Assets:** 3.3000%
- **C.17 - Yield as of Reporting Date:** 3.6900%
- **C.11 - Maturity Date (WAM):** 2026-06-16
- **C.12 - Maturity Date (WAL):** 2026-06-16
- **C.13 - Final Legal Maturity Date:** 2026-06-16
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 18: U.S. Treasury Bill

- **C.1 - Title:** U.S. Treasury Bill
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 912797UN5, C.4 - ISIN: US912797UN51, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $19528925.50
- **C.18.a - Value (excl. sponsor support):** $19528925.50
- **C.19 - Percentage of Net Assets:** 4.2200%
- **C.17 - Yield as of Reporting Date:** 3.6900%
- **C.11 - Maturity Date (WAM):** 2026-07-07
- **C.12 - Maturity Date (WAL):** 2026-07-07
- **C.13 - Final Legal Maturity Date:** 2026-07-07
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 19: U.S. Treasury Bill

- **C.1 - Title:** U.S. Treasury Bill
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 912797UR6, C.4 - ISIN: US912797UR65, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $23265625.73
- **C.18.a - Value (excl. sponsor support):** $23265625.73
- **C.19 - Percentage of Net Assets:** 5.0300%
- **C.17 - Yield as of Reporting Date:** 3.7000%
- **C.11 - Maturity Date (WAM):** 2026-07-28
- **C.12 - Maturity Date (WAL):** 2026-07-28
- **C.13 - Final Legal Maturity Date:** 2026-07-28
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 20: U.S. Treasury Bill

- **C.1 - Title:** U.S. Treasury Bill
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 912797UU9, C.4 - ISIN: US912797UU94, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $10517518.11
- **C.18.a - Value (excl. sponsor support):** $10517518.11
- **C.19 - Percentage of Net Assets:** 2.2800%
- **C.17 - Yield as of Reporting Date:** 3.6700%
- **C.11 - Maturity Date (WAM):** 2026-08-18
- **C.12 - Maturity Date (WAL):** 2026-08-18
- **C.13 - Final Legal Maturity Date:** 2026-08-18
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 21: U.S. Treasury Bill

- **C.1 - Title:** U.S. Treasury Bill
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 912797UW5, C.4 - ISIN: US912797UW50, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $7480458.01
- **C.18.a - Value (excl. sponsor support):** $7480458.01
- **C.19 - Percentage of Net Assets:** 1.6200%
- **C.17 - Yield as of Reporting Date:** 3.6900%
- **C.11 - Maturity Date (WAM):** 2026-09-01
- **C.12 - Maturity Date (WAL):** 2026-09-01
- **C.13 - Final Legal Maturity Date:** 2026-09-01
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

### Security 22: U.S. Treasury Bill

- **C.1 - Title:** U.S. Treasury Bill
- **C.6 - Investment Category:** U.S. Treasury Debt
- **Identifiers:** C.3 - CUSIP: 912797VB0, C.4 - ISIN: US912797VB05, C.3 - LEI: 254900HROIFWPRGM1V77
- **C.18 - Value (incl. sponsor support):** $13366201.50
- **C.18.a - Value (excl. sponsor support):** $13366201.50
- **C.19 - Percentage of Net Assets:** 2.8900%
- **C.17 - Yield as of Reporting Date:** 3.6900%
- **C.11 - Maturity Date (WAM):** 2026-09-08
- **C.12 - Maturity Date (WAL):** 2026-09-08
- **C.13 - Final Legal Maturity Date:** 2026-09-08
- **Characteristics:** C.9 Eligible Security? Yes, C.14 Has Demand Feature? No, C.15 Has Guarantee? No, C.16 Has Enhancement? No, C.22 Is an Illiquid Security? No, C.20 Is a Daily Liquid Asset? Yes, C.21 Is a Weekly Liquid Asset? Yes, C.23 Categorized at Level 3? No

## N-MFP: Signatures

**Registrant:** MFS Series Trust I

**Date:** 2026-06-05

**By:** Brian Balasco

**Name of Signing Officer:** Brian Balasco

**Title of Signing Officer:** Assistant Treasurer