Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No. )

Your Vote Counts! 9197 SOUTH PEORIA STREET ENGLEWOOD, CO 80112 TTEC HOLDINGS, INC. 2021 Annual Meeting Vote by May 25, 2021 11:59 PM ET You invested in TTEC HOLDINGS, INC. and it’s time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy material for the stockholder meeting to be held on May 26, 2021. Vote Virtually at the Meeting* May 26, 2021 10:00 AM MDT Virtually at: www.virtualshareholdermeeting.com/TTEC2021 *Many stockholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. Smartphone users Point your camera here and vote without entering a control number V1 For complete information and to vote, visit www.ProxyVote.com Control # D39961-P53336 Get informed before you vote View the Notice and Proxy Statement and Form 10-K online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 12, 2021. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy.

THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming stockholder meeting. Please follow the instructions on the reverse side to vote these important matters. Vote at www.ProxyVote.com Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Sign up for E-delivery”. Voting Items Board Recommends D39962-P53336 1. Election of Directors Nominees 1c. Tracy L. Bahl 1a. Kenneth D. Tuchman 1d. Gregory A. Conley 1b. Steven J. Anenen 1e. Robert N. Frerichs 1f. Marc L. Holtzman 1g. Gina L. Loften 1h. Ekta Singh-Bushell 2. The ratification of the appointment of PricewaterhouseCoopers LLP as TTEC’s independent registered public accounting firm for 2021. NOTE: Such other business as may properly come before the meeting or any adjournment thereof. For For For For For For For For For

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