Tata Communications Limited

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Exchange Plaza, Bandra Kurla Complex, Mumbai – 400 051 SYMBOL: TATACOMM BSE Limited P.J. Towers, Dalal Street, Mumbai – 400 001 Scrip Code: 500483 Dear Sir / Madam, Sub: Intimation of Earni

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Instructions to join the webinar

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Intimation of Earnings Call for the quarter and financial year pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we hereby inform you that an Earnings Call for the quarter and financial year ended March 31, 2026 has been scheduled to be held via webinar on Wednesday, April 22, 2026 at 6:30 pm IST. The details for registration and for joining the call are enclosed. Kindly take the same on your records. Thanking you, Yours faithfully, For Tata Communications Limited Zubin Adil Patel Company Secretary and Compliance Officer Tata Communications Limited Plot No. C21 & C 36 ‘G’ Block Bandra Kurla Complex Bandra (East) Mumbai 400098 India Regd. Office: VSB Mahatma Gandhi Road Fort Mumbai – 400 001 Tel: 91 92289 18171 email: investor.relations@tatacommunications.com CIN: L64200MH1986PLC039266 website: www.tatacommunications.com Q4 FY26

Instructions to join the webinar

1. Tata Communications will be conducting the Earnings Call on Zoom webinar. Please download the latest Zoom application for PC / Mac / iOS / Android device beforehand: https://zoom.us/download You may also install the app or add browser extension upon prompt by the system during the registration. 2. Pre-registration for the webinar is mandatorily required. Participants can register up to 15 minutes before the call commences. Please register using the link in the Webinar details above. 3. Q&A Session: Post the management commentary, the Company will host Q&A session. To join the queue, please click the 'Raise Hand' icon at the bottom of your Zoom window, you may do this at any time during the presentation. When called upon, please accept the prompt to 'Unmute' to ask your question.". For more information, visit us at www.tatacommunications.com © 2024 Tata Communications. All Rights Reserved. TATA COMMUNICATIONS and TATA are trademarks of Tata Sons Limited in certain countries. 1 4. You