Company: PAYX
Filing Date: 2025-04-09
Form Type: 424B2
Source: 0001193125-25-076822
Chunk: 75

Company: PAYCHEX INC
Filing Date: 2025-04-09
Form: 424B2
Chunk 75
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 of debt securities. We may exercise our legal defeasance option notwithstanding our prior exercise of our covenant defeasance option. Modifications of the Indenture The indenture provides that we and the trustee may enter into supplemental indentures without the consent of the holders of debt securities to:

| • |     | secure any debt securities; |

| • |     | evidence the assumption by another person of our obligations, as permitted by the indenture; |

| • |     | add covenants for the protection of the holders of debt securities of all or any series or to surrender any right 
 or power conferred upon us;                                                                                       |

| • |     | add any additional events of default for the benefit of holders of the debt securities of all or any series; |

| • |     | add one or more guarantees for the benefit of holders of the debt securities; |

| • |     | provide for the issuance of additional debt securities of any series pursuant to the indenture; |

| • |     | comply with the rules of any applicable securities depository; |

| • |     | provide for uncertificated debt securities in addition to or in place of certificated debt securities; |

| • |     | add to, change or eliminate any of the provisions of the indenture in respect of one or more series of debt                                                                                                                         
 securities; provided that any such addition, change or elimination (a) shall neither (1) apply to any debt security of any series created prior to the execution of such supplemental indenture and entitled to the benefit of such 
 provision nor (2) modify the rights of the holder of any such debt security with respect to such provision or (b) shall become effective only when there is no debt security described in clause (a)(1) outstanding;                |

| • |     | supplement any of the provisions of the indenture to such extent as shall be necessary to permit or facilitate                                                                                                                               
 the defeasance and discharge of any series of debt securities pursuant to the indenture; provided that any such action shall not adversely affect the interests of the holders of debt securities of such series or any other series of debt 
 securities in any material respect, as determined by us and evidenced by delivery of an officer’s certificate to the trustee;                                                                                                                |

| • |     | comply with the rules or regulations of any securities exchange or automated quotation system on which any of the 
 debt securities may be listed or traded;                                                                          |

| • |     | add to, change or eliminate any