SCHEDULE 13G/A 0001592643 XXXXXXXX LIVE 4 Common Stock 12/31/2024 0001725057 Dayforce, Inc. 15677J108 3311 East Old Shakopee Road Minneapolis MN 55425 Rule 13d-1(b) Select Equity Group, L.P. DE 0.00 11400740.00 0.00 11400740.00 11400740.00 N 7.2 IA Beneficial ownership based on 159,000,000 shares of Common Stock outstanding as of December 31, 2024, as reported on the Issuer's Form 8-K filed with the Securities and Exchange Commission on February 5, 2025. George S. Loening X1 0.00 11400740.00 0.00 11400740.00 11400740.00 N 7.2 HC IN Beneficial ownership based on 159,000,000 shares of Common Stock outstanding as of December 31, 2024, as reported on the Issuer's Form 8-K filed with the Securities and Exchange Commission on February 5, 2025. Dayforce, Inc. 3311 East Old Shakopee Road, Minneapolis, MN, 55425 This Schedule 13G is being filed jointly by Select Equity Group, L.P., a Delaware limited partnership ("Select LP"), and George S. Loening ("Loening"), who is the majority owner of Select LP and managing member of its general partner. Select LP and Loening are sometimes collectively referred to herein as the "Select Reporting Persons." The business address of each of Select LP and Loening is 380 Lafayette Street, New York, New York 10003. George S. Loening is a United States citizen. N IA HC (i) Select Equity Group, L.P. - 11,400,740 (ii) George S. Loening - 11,400,740 (i) Select Equity Group, L.P. - 7.17% (ii) George S. Loening - 7.17% (i) Select Equity Group, L.P. - 0 (ii) George S. Loening - 0 (i) Select Equity Group, L.P. - 11,400,740 (ii) George S. Loening - 11,400,740 (i) Select Equity Group, L.P. - 0 (ii) George S. Loening - 0 (i) Select Equity Group, L.P. - 11,400,740 (ii) George S. Loening - 11,400,740 Y Y N See Exhibit 99.1 Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. EXHIBIT 99.1 The identity and the Item 3 classification of the relevant subsidiary are: Select Equity Group, L.P., which is an Investment Adviser in accordance with Rule 13d-1(b)(1)(ii)(E). Select Equity Group, L.P. By: Select Equity GP, LLC, its General Partner, By: /s/ George S. Loening 02/14/2025 George S. Loening /s/ George S. Loening 02/14/2025