Form DEFA14A Dayforce, Inc.

As previously disclosed, on August 20, 2025, Dayforce, Inc. (the “Company” or “Dayforce”) entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Dawn Bidco, LLC, a Delaware limited liability company (“Parent”), and Dawn Acquisition Merger Sub, Inc., a Delaware corporation and a direct wholly owned subsidiary of Parent (“Merger Sub”), pursuant to which, on the terms and subject to the conditions of the Merger Agreement, Merger Sub will merge with and into the Company (the “Merger”), with the Company surviving the Merger as a wholly owned subsidiary of Parent.

Among other things, the completion of the Merger is conditioned upon the expiration or termination of the waiting period applicable to the Merger under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the “HSR Waiting Period”) and on receipt of approval under the Competition Act (Canada).  The HSR Waiting Period expired on October 20, 2025.  As of October 20, 2025, the conditions of the Merger in respect of the Competition Act (Canada) were also met. The closing of the Merger remains subject to the receipt of the remaining required regulatory clearances and approvals and other customary closing conditions including shareholder approval.

Additional Information and Where to Find It

In connection with the proposed transaction between Dayforce and Thoma Bravo, Dayforce has filed and will file relevant materials with the U.S. Securities and Exchange Commission (“SEC”) and Canadian securities regulators, including the definitive Proxy Statement of Dayforce (the “Proxy Statement”), which was filed with the SEC on September 29, 2025. Dayforce has mailed the Proxy Statement to its stockholders and holders of exchangeable shares. DAYFORCE URGES YOU TO READ THE PROXY STATEMENT AND OTHER RELEVANT DOCUMENTS FILED OR TO BE FILED WITH THE SEC CAREFULLY BECAUSE THEY CONTAIN OR WILL CONTAIN IMPORTANT INFORMATION ABOUT DAYFORCE, THOMA BRAVO, THE PROPOSED TRANSACTION AND RELATED MATTERS. You are able to obtain a free copy of the Proxy Statement and other related documents (when available) filed by Dayforce with the SEC at the website maintained by the SEC at https://www.sec.gov. You are also able to obtain a free copy of the Proxy Statement and other documents (when available) filed by Dayforce with the SEC by accessing the investor relations section of Dayforce’s website at https://investors.dayforce.com or by contacting Dayforce investor relations at [email protected] or calling (844) 829-9499.

Participants in the Solicitation

Dayforce and its directors and executive officers may be deemed to be participants in the solicitation of proxies from Dayforce stockholders in connection with the merger.

Information regarding the directors and executive officers of Dayforce, including a description of their direct or indirect interests, by security holdings or otherwise, is set forth (i) in Dayforce’s definitive proxy statement for its 2025 Annual Meeting of Stockholders, including under the headings “Proposal One: Election of Directors,” “Executive Team,” “Compensation Discussion and Analysis,” “Executive Compensation Tables,”  and “Certain Relationships and Related Party Transactions,” which was filed with the SEC on March 13, 2025 and is available at https://www.sec.gov/ix?doc=/Archives/edgar/data/1725057/000172505725000064/day-20250313.htm, (ii) in the Proxy Statement, including under the headings “The Merger - Interests of the Company’s Directors and Executive Officers in the Merger” and “Security Ownership of Certain Beneficial Owners and Management” which was filed with the SEC on September 29, 2025 and is available at https://www.sec.gov/Archives/edgar/data/1725057/000114036125036413/ny20054883x2_defm14a.htm and (iii) to the extent holdings of Dayforce’s securities by its directors or executive officers have changed since the amounts set forth in the Proxy Statement, such changes have been or will be reflected on Initial Statement of Beneficial Ownership of Securities on Form 3, Statement of Changes in Beneficial Ownership on Form 4, or Annual Statement of Changes in Beneficial Ownership on Form 5 filed with the SEC, which are available at EDGAR Search Results https://www.sec.gov/edgar/browse/?CIK=0001725057&owner=only.

Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, are or will be contained in the Proxy Statement and other relevant materials to be filed with the SEC when they become available. You may obtain free copies of these documents through the website maintained by the SEC at https://www.sec.gov.