X0306 4 2019-03-22 0 0001725057 Ceridian HCM Holding Inc. CDAY 0001260943 THOMAS H. LEE ADVISORS, LLC C/O THOMAS H. LEE PARTNERS, L.P. 100 FEDERAL STREET, 35TH FLOOR BOSTON MA 02110 1 0 1 0 0001757181 THL HOLDCO, LLC C/O THOMAS H. LEE PARTNERS, L.P. 100 FEDERAL STREET, 35TH FLOOR BOSTON MA 02110 1 0 1 0 0001260945 THOMAS H LEE PARTNERS LP C/O THOMAS H. LEE PARTNERS, L.P. 100 FEDERAL STREET, 35TH FLOOR BOSTON MA 02110 1 0 1 0 0001375668 Thomas H. Lee Equity Fund VI, L.P. C/O THOMAS H. LEE PARTNERS, L.P. 100 FEDERAL STREET, 35TH FLOOR BOSTON MA 02110 1 0 1 0 0001375663 Thomas H. Lee Parallel Fund VI, L.P. C/O THOMAS H. LEE PARTNERS, L.P. 100 FEDERAL STREET, 35TH FLOOR BOSTON MA 02110 1 0 1 0 0001429870 Thomas H. Lee Parallel (DT) Fund VI, L.P. C/O THOMAS H. LEE PARTNERS, L.P. 100 FEDERAL STREET, 35TH FLOOR BOSTON MA 02110 1 0 1 0 0001737215 THL Equity Fund VI Investors (Ceridian), L.P. C/O THOMAS H. LEE PARTNERS, L.P. 100 FEDERAL STREET, 35TH FLOOR BOSTON MA 02110 1 0 1 0 0001737212 THL Equity Fund VI Investors (Ceridian) II, L.P. C/O THOMAS H. LEE PARTNERS, L.P. 100 FEDERAL STREET, 35TH FLOOR BOSTON MA 02110 1 0 1 0 0001737213 THL Equity Fund VI Investors (Ceridian) III, LLC C/O THOMAS H. LEE PARTNERS, L.P. 100 FEDERAL STREET, 35TH FLOOR BOSTON MA 02110 1 0 1 0 0001737214 THL Equity Fund VI Investors (Ceridian) IV, LLC C/O THOMAS H. LEE PARTNERS, L.P. 100 FEDERAL STREET, 35TH FLOOR BOSTON MA 02110 1 0 1 0 Common Stock 2019-03-22 4 S 0 13000000 48.985 D 48456833 I See Footnotes See Exhibit 99.1 for text of footnote (1). See Exhibit 99.1 for text of footnote (2). See Exhibit 99.1 for text of footnote (3). See Exhibit 99.1 for text of footnote (4). See Exhibit 99.1 for text of footnote (5). See Exhibit 99.1 for text of footnote (6). Exhibit 99.1 and Exhibit 99.2 (Joint Filer Information) are incorporated herein by reference. This Form 4 is the first of two Form 4s filed relating to the same event. The Form 4 has been split into two filings because there are more than 10 Reporting Persons in total, and the SEC's EDGAR filing system limits a single Form 4 to a maximum of 10 Reporting Persons. Each Form 4 is filed by Designated Filer, Thomas H. Lee Advisors, LLC. Form 1 of 2 THOMAS H. LEE ADVISORS, LLC, By: THL Holdco, LLC, its Managing Member, By: /s/ Charles P. Holden, Title: Managing Director 2019-03-26