Company: PAYX
Filing Date: 2025-04-08
Form Type: 424B2
Source: 0001193125-25-075170
Chunk: 5

Company: PAYCHEX INC
Filing Date: 2025-04-08
Form: 424B2
Chunk 5
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2. The information specifically incorporated by reference into the Annual Report on Form 10-K for the
fiscal year ended May 31, 2024 from our definitive proxy statement on Schedule 14A, filed with the SEC on
August 30, 2024, for our 2024 annual meeting of stockholders;

3. Our Quarterly Reports on Form
10-Q for the quarter ended August31, 2024, filed with the SEC
October 1, 2024, for the quarter ended November30, 2024, filed with the SEC December 19,
2024, and for the quarter ended February 28, 2025, filed with the SEC March 26, 2025;

4. Our Current Reports on Form 8-K filed with the SEC on June17, 2024, October11, 2024, January7, 2025, February27, 2025 and April 8, 2025;

5. The section captioned “Part II—Item 8. Financial Statements and Supplementary Data” included in the Annual Report on Form 10-Kof Paycor HCM, Inc. for the fiscal year ended June 30, 2024, filed with the SEC on August 22, 2024; and

6. The section captioned “Part I—Item 1. Financial Statements” included in the Quarterly Reports on Form 10-Q of Paycor HCM, Inc. for the quarter ended September30, 2024, filed with the SEC on November 7, 2024, and for the quarter ended December31, 2024, filed with the SEC on February 6, 2025.

You may obtain a copy of any or all of the documents referred to above which may
have been or may be incorporated by reference into this prospectus supplement, except for exhibits to those documents (unless the exhibits are specifically incorporated by reference into those documents) at no cost to you by writing to us at the
following address:

Paychex, Inc.

911 Panorama Trail South

Rochester, New York 14625-2396

Attn: Corporate Secretary

Telephone: (585) 385-6666

S-iii

FORWARD-LOOKING STATEMENTS This prospectus supplement and the documents incorporated by reference herein contain “forward-looking statements” within the meaning of the safe harbor provisions of the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements