Investor Presentation for Earnings Call

HQ/CS/CL.24B/18476 July 22, 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: Presentation for Earnings Call for the quarterly results pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements), Regulations 2015, and with reference to our letter no. HQ/CS/CL.24B/18465 dated July 13, 2026, the presentation to be made at the Earnings Call scheduled today at 5:00 pm IST, is available on the website of the Company at the following weblink: https://www.tatacommunications.com/hubfs/Quarterly%20report/md-and-ceo-presentation.pdf This is for your information and 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