Analysts/Institutional Investor Meet/Con. Call Updates

HQ/CS/CL.24B/18501 August 27, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, Bandra Kurla Complex, P.J. Towers, Dalal Street, Mumbai – 400 051 Mumbai – 400 001 SYMBOL: TATACOMM Scrip Code: 500483 Dear Sir / Madam, Sub: Intimation of Schedule of Analyst / Institutional Investor Meeting Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, please be informed that Tata Communications Limited will be participating in the analyst / institutional investor event as per the details given in the table below: Date Name of fund / firm / event Venue/ Type / Mode Location of meeting September 1, 2026 Ashwamedh - Elara India Dialogue 2026 Mumbai In-person Note: Above meeting schedule is subject to change. Changes may happen due to exigencies, logistical disorders, and last-minute schedule conflicts on the part of investors and/or the Company. 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