Company: PAYX
Filing Date: 2025-03-31
Form Type: S-3ASR
Source: 0001193125-25-067979
Chunk: 24

Company: PAYCHEX INC
Filing Date: 2025-03-31
Form: S-3ASR
Chunk 24
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 into indemnification agreements with any new directors and executive officers in the future. II-1

Item 16. Exhibits. A list of exhibits filed with this registration statement on Form S-3is set forth below.

| Exhibit 
 No.     |     | Description of Document                                                                      |
| 1.1**   |     | Form of Underwriting Agreement relating to debt securities of Paychex, Inc.                  |
| 4.1*    |     | Form of Indenture between the Registrant and The Bank of New York Mellon Trust Company, N.A. |
| 5.1*    |     | Opinion of Davis Polk & Wardwell LLP                                                         |
| 23.1*   |     | Consent of PricewaterhouseCoopers LLP, Independent Registered Public Accounting Firm         |
| 23.2*   |     | Consent of Davis Polk & Wardwell LLP (contained in Exhibit 5.1 hereto)                       |
| 24.1*   |     | Powers of Attorney (contained on signature page hereto)                                      |
| 25.1*   |     | Statement of Eligibility on Form T-1 of The Bank of New York Mellon Trust Company, N.A.      |
| 107*    |     | Filing Fee Table                                                                             |

| * | Filed herewith |

| ** | To be filed by amendment or as an exhibit to a document to be incorporated by reference herein in connection 
 with an offering of the offered securities.                                                                  |

Item 17. Undertakings. (a) The undersigned Registrant hereby undertakes: (1) To file, during any period in which offers or sales are being made of securities registered hereby, a post-effective amendment to this registration statement: (i) To include any prospectus required by Section 10(a)(3) of the Securities Act of 1933; (ii) To reflect in the prospectus any facts or events arising after the effective date of the registration statement (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the registration statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus filed with the Securities and Exchange Commission pursuant to Rule 424(b)