Company: PAYX
Filing Date: 2025-08-29
Form Type: DEF 14A
Source: 0001193125-25-191789
Chunk: 86

Company: PAYCHEX INC
Filing Date: 2025-08-29
Form: DEF 14A
Chunk 86
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 must be submitted in accordance with applicable SEC rules and regulations, and follow the Company’s procedures in its By-Laws.Submitting a notice does not ensure that the proposal will be raised at the 2026 Annual Meeting. We will not permit stockholder proposals that do not comply with the foregoing notice requirement to be brought before the 2026 Annual Meeting. In addition to satisfying the advance notice requirements in order to comply with the universal proxy rules under the Exchange Act, stockholders who intend to solicit proxies in support of director nominees other than the Company’s nominees must provide notice to the Company’s Corporate Secretary that sets forth the information required by Rule 14a-19under the Exchange Act no later than August 10, 2026. Paychex, Inc. 2025 Proxy Statement •73

APPENDIX A PAYCHEX, INC. NON-GAAPFINANCIAL MEASURES The following table reconciles the GAAP measures to the related non-GAAPmeasures that were utilized within this proxy statement.

|                                                                                                    | $ in millions, except per share amounts |   |  2025 |   |     |     | Change(1) |   |     |   |  2024 |   |     |     | Change(1) |   |     |   |  2023 |   |
|:---------------------------------------------------------------------------------------------------|:----------------------------------------|:--|------:|:--|:----|:----|----------:|:--|:----|:--|------:|:--|:----|:----|----------:|:--|:----|:--|------:|:--|
| Operating income                                                                                   |                                         | $ | 2,208 |   |     |     |         2 | % |     | $ | 2,174 |   |     |     |         7 | % |     | $ | 2,033 |   |
| Non-GAAP adjustments:                                                                              |                                         |   |       |   |     |     |           |   |     |   |       |   |     |     |           |   |     |   |       |   |
| Less: Interest on funds held for clients                                                           |                                         |   |  (162 | ) |     |     |           |   |     |   |  (146 | ) |     |     |           |   |     |   |  (100 | ) |
| Add: Acquisition-related costs(2)