cday-defa14a_20210317.htm

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*** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting to Be Held on April 27, 2021. CERIDIAN HCM HOLDING INC. Meeting Information Meeting Type: Annual Meeting For holders as of: March 1, 2021 Date: April 27, 2021 Time: 9:00 AM CDT Location: Meeting live via the Internet-please visit www.virtualshareholdermeeting.com/CDAY2021. The company will be hosting the meeting live via the Internet this year. To attend the meeting via the Internet please visit www.virtualshareholdermeeting.com/CDAY2021 and be sure to have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the following page) CERIDIAN HCM HOLDING INC. 3311 EAST OLD SHAKOPEE ROAD MINNEAPOLIS, MN 55425-1640 You are receiving this communication because you hold shares in the company named above. This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting. See the reverse side of this notice to obtain proxy materials and voting instructions. D32051-P47094

Before You Vote How to Access the Proxy Materials Proxy Materials Available to VIEW or RECEIVE: NOTICE AND PROXY STATEMENT ANNUAL REPORT How to View Online: Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the following page) and visit: www.proxyvote.com. How to Request and Receive a PAPER or E-MAIL Copy: If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request: 1) BY INTERNET: www.proxyvote.com 2) BY TELEPHONE: 1-800-579-1639 3) BY E-MAIL*: sendmaterial@proxyvote.com * If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the following page) in the subject line. Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before April 13, 2021 to facilitate timely delivery. How To Vote Please Choose One of the Following Voting Methods Vote By Internet: Before The Meeting: Go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions. During The Meeting: Go to www.virtualshareholdermeeting.com/CDAY2021. Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions. Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card. D32051-P47094

Voting Items The Board of Directors recommends you vote FOR the following: 1. To elect three Class III directors to hold office until the 2024 Annual Meeting of Stockholders or until their successors are duly elected and qualified, subject to their earlier death, resignation or removal Nominees: 01) David D. Ossip 02) Andrea S. Rosen 03) Gerald C. Throop The Board of Directors recommends you vote FOR the following proposals: 2. To approve the de-classification of the Board and the adoption of the Fourth Amended and Restated Certificate of Incorporation 3. To approve, on a non-binding, advisory basis, the compensation of Ceridian's named executive officers (commonly known as a "Say on Pay" vote) 4. To ratify the appointment of KPMG LLP as Ceridian's independent registered public accounting firm for the fiscal year ending December 31, 2021 NOTE: Such other business as may properly come before the meeting or any adjournment thereof. D32052-P47094