X0407 4 2023-05-15 0 0001725057 Ceridian HCM Holding Inc. CDAY 0001734324 Throop Gerald C C/O CERIDIAN HCM HOLDING INC. 3311 EAST OLD SHAKOPEE ROAD MINNEAPOLIS MN 55425 1 0 0 0 0 Common Stock 2023-05-15 4 A 0 4187 0.00 A 18825 D Exchangeable Shares Common Stock 23185 23185 D Option (right to buy) 65.26 2030-05-08 Common Stock 11916 11916 D Option (right to buy) 74.20 2030-08-21 Common Stock 4643 4643 D Option (right to buy) 87.40 2031-05-07 Common Stock 10069 10069 D Option (right to buy) 50.23 2032-05-11 Common Stock 17555 17555 D 4,187 shares of common stock of the Issuer ("Common Stock") that are issuable pursuant to Restricted Stock Units ("RSUs"), granted on May 15, 2023, that vest as to 25% of the RSU on the last day of each three-month period commencing on the date of grant. Includes, subject to forfeiture should the recipient fail to make an election to convert to shares prior to the ten year anniversary of the grant date, (i) 7,955 RSUs granted on April 25, 2018, that are issuable as shares of Common Stock at the election of the recipient; (ii) 3,988 RSUs granted on May 15, 2019, that are issuable as shares of Common Stock at the election of the recipient; (iii) of the 2,695 RSUs granted on August 21, 2020, 1,796 shares of Common Stock are issuable at the election of the recipient and 899 RSUs will vest and become issuable as shares of Common Stock at the election of the recipient on August 21, 2023; and (iv) 4,187 shares of Common Stock issuable pursuant to RSUs, granted on May 15, 2023, that vest and become issuable at the election of the recipient as to 25% of the RSU on the last day of each three-month period commencing on the date of grant. Represents exchangeable shares of Ceridian AcquisitionCo ULC, a wholly owned subsidiary of the Issuer, that are exchangeable at the option of the holder for shares of common stock of the Issuer. Each exchangeable share is convertible into one share of common stock of the Issuer, subject to adjustment. The exchangeable shares are currently exercisable and have no expiration date. These options are fully vested and exercisable. For Gerald Throop pursuant to the Power of Attorney previously filed /s/ William E. McDonald, attorney-in-fact 2023-05-17