Step 1: Go to www.envisionreports.com/TELA Step 2: Click on Cast Your Vote or Request Materials. Step 3: Follow the instructions on the screen to log in. www.envisionreports.com/TELA Online Go to www.envisionreports.com/TELA or scan the QR code — login details are located in the shaded bar below. The Sample Company Stockholder Meeting Notice 03RYBB + + Important Notice Regarding the Availability of Proxy Materials for the TELA Bio, Inc. Stockholder Meeting to be Held on June 1, 2023 Under Securities and Exchange Commission rules, you are receiving this notice that the proxy materials for the annual stockholders’ meeting are available on the Internet. Follow the instructions below to view the materials and vote online or request a copy. The items to be voted on and location of the annual meeting are on the reverse side. Your vote is important! This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. The 2023 proxy statement and Annual Report on Form 10-K for the fiscal year ended December 31, 2022 are available to stockholders at: Obtaining a Copy of the Proxy Materials – If you want to receive a copy of the proxy materials, you must request one. There is no charge to you for requesting a copy. Please make your request as instructed on the reverse side on or before May 18, 2023 to facilitate timely delivery. 2NOT Easy Online Access — View your proxy materials and vote. When you go online, you can also help the environment by consenting to receive electronic delivery of future materials. Step 4: Make your selections as instructed on each screen for your delivery preferences. Step 5: Vote your shares.

Here’s how to order a copy of the proxy materials and select delivery preferences: Current and future delivery requests can be submitted using the options below. If you request an email copy, you will receive an email with a link to the current meeting materials. PLEASE NOTE: You must use the number in the shaded bar on the reverse side when requesting a copy of the proxy materials. — Internet – Go to www.envisionreports.com/TELA. Click Cast Your Vote or Request Materials. — Phone – Call us free of charge at 1-866-641-4276. — Email – Send an email to investorvote@computershare.com with “Proxy Materials TELA Bio” in the subject line. Include your full name and address, plus the number located in the shaded bar on the reverse side, and state that you want a paper copy of the meeting materials. To facilitate timely delivery, all requests for a paper copy of proxy materials must be received by May 18, 2023. TELA Bio, Inc., Annual Meeting of Stockholders will be held virtually at https://agm.issuerdirect.com/tela on June 1, 2023 at 10:00 AM Eastern Time Proposals to be voted on at the meeting are listed below along with the Board of Directors’ recommendations. The Board of Directors recommend a vote FOR all the nominees listed and FOR Proposal 2 1. Election of Class I Directors for a Three-Year Term Expiring in 2026 01 - Doug Evans 02 – Lisa Colleran 2. Ratification of Appointment of KPMG LLP as our Independent Registered Public Accounting Firm for 2023 We encourage you to access and review all of the important information contained in the proxy materials before voting. The 2023 proxy statement and Annual Report on Form 10-K for the fiscal year ended December 31, 2022 are available to stockholders at www.envisionreports.com/TELA PLEASE NOTE – YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your shares you must go online or request a paper copy of the proxy materials to receive a proxy card. Stockholder Meeting Notice