Company: PAYX
Filing Date: 2025-04-08
Form Type: 424B2
Source: 0001193125-25-075170
Chunk: 67

Company: PAYCHEX INC
Filing Date: 2025-04-08
Form: 424B2
Chunk 67
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 of the extensions; |

| • |     | our rights or obligations to redeem or purchase the debt securities, including sinking fund or partial redemption                                                                                                     
 payments and the period or periods within which, the price or prices at which and the other terms and conditions upon which the debt securities shall be redeemed or purchased pursuant to our rights or obligations; |

| • |     | conversion or exchange provisions, if any, including conversion or exchange prices or rates and adjustments 
 thereto;                                                                                                    |

| • |     | the currency or currencies of payment of principal, premium, if any, or interest; |

| • |     | the terms applicable to any debt securities issued at a discount from their stated principal amount; |

| • |     | the terms, if any, pursuant to which any debt securities will be subordinate to any of our other debt; |

| • |     | if the amount of payments of principal or interest is to be determined by reference to an index or formula, or                                                                                               
 based on a coin or currency other than that in which the debt securities are stated to be payable, the manner in which these amounts are determined and the calculation agent, if any, with respect thereto; |

| • |     | if other than the entire principal amount of the debt securities when issued, the portion of the principal amount 
 payable upon acceleration of maturity as a result of an Event of Default;                                         |

| • |     | any provisions for the remarketing of the debt securities; |

| • |     | if applicable, covenants affording holders of debt protection with respect to our operations, financial condition 
 or transactions involving us; and                                                                                 |

| • |     | any other specific terms of any debt securities. |

The applicable prospectus supplement will set forth certain U.S. federal income tax considerations for holders of any debt securities and the securities exchange or quotation system on which any debt securities are listed or quoted, if any. Debt securities issued by us will be structurally subordinated to all indebtedness and other liabilities of our subsidiaries, except to the extent any such subsidiary guarantees or is otherwise obligated to make payment on such debt securities. 8

Consolidation, Merger or Sale We cannot consolidate or merge with or into, or transfer or lease all or substantially all of our consolidated properties and assets to, any person, and we shall not permit any other person to consolidate with or merge into us, unless:

| • |     | we will be the continuing corporation or the successor corporation or the person formed