Form DEFA14A Container Store Group,

Your Vote Counts! THE CONTAINER STORE GROUP, INC. 2022 Annual Meeting Vote by August 30, 2022 11 :59 PM ET ·eCo tai er . , o THE CONTAINER STORE GROUP, INC. 500 FREEPORT PKWY COPPELL, TX 75019 You invested in THE CONTAINER STORE GROUP, 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 shareholder meeting to be held on August 31, 2022. Get informed before you vote View the Notice & Proxy Statement, Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to August 17, 2022. 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 [email protected]. 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. Smartphone users Point your camera here and vote without entering a I number Vote Virtually at the Meeting* August 31, 2022 10:30 AM CDT Virtually at: www.virtualshareholdermeeting.com!TCS2022 *Please check the meeting materials for any special requirements for meeting attendance.

Vote at www.ProxyVote.com THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming shareholder meeting. Please follow the instructions on the reverse side to vote these important matters. Board Recommends Voting Items NOTE: Such other business as may properly come before the meeting or any adjournment, continuation or postponement thereof. Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Sign up forE-delivery". 1. Election of Class Ill Directors Nominees: 01) Lisa Klinger 02) Satish Malhotra03) Wendi Sturgis 0For 2.Ratification of the appointment of Ernst & Young LLP as the Company's independent registered public accounting firm for the fiscal year ending April 1, 2023. 0For 3. Approval, on an advisory (non-binding) basis, of the compensation of the Company's named executive officers. 0For