Company: PAYX
Filing Date: 2025-04-09
Form Type: 424B2
Source: 0001193125-25-076822
Chunk: 80

Company: PAYCHEX INC
Filing Date: 2025-04-09
Form: 424B2
Chunk 80
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orporated in reliance on the report (which contains a paragraph relating to the effectiveness of internal control over financial reporting due to the exclusion of Alterna Capital Solutions LLC because it was acquired by the Company in a purchase
business combination during 2024) of PricewaterhouseCoopers LLP, an independent registered public accounting firm, given on the authority of said firm as experts in auditing and accounting.

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WHERE YOU CAN FIND MORE INFORMATION

We file annual, quarterly and current reports, proxy statements and other information with the SEC. The SEC maintains an internet site at
http://www.sec.gov that contains reports, proxy and information statements and other information regarding issuers that file electronically. We maintain an internet site at https://investor.paychex.com where information about us, including SEC
filings, is also available free of charge. However, the information on, or accessible through, our internet site is not incorporated by reference in this prospectus and you should not consider it a part of this prospectus. Reference to our internet
site is made as an inactive textual reference.

INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

The SEC allows us to “incorporate by reference” into this prospectus the information in other documents that we file with it. This
means that we can disclose important information to you by referring you to those documents. The information incorporated by reference is considered to be a part of this prospectus, and information in documents that we file later with the SEC will
automatically update and supersede information contained in documents filed earlier with the SEC or contained in this prospectus. We incorporate by reference in this prospectus the documents listed below and any future filings that we may make with
the SEC under Sections 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) on or after the date of this prospectus and prior to the termination of any offering under this prospectus and any
prospectus supplement; provided, however, that we are not incorporating, in each case, any documents or information deemed to have been furnished and not filed in accordance with SEC rules (including Items 2.02 and 7.01 of Form 8-K):

1. Our Annual Report on Form 10-K for the fiscal year ended May 31, 2024, filed with the SEC on July 11, 2024;

2. The information specifically incorporated by reference into the Annual