Earnings Call Transcript pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015.

HQ/CS/CL.24B/18474 July 28, 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: Earnings Call Transcript 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 please note that the transcript of the Earnings Call held via webinar on Wednesday, July 22, 2026 at 5:00 pm IST regarding the Unaudited Financial Results of the Company for the quarter ended June 30, 2026 has been uploaded on the website of the Company within the prescribed timeline and can be accessed at the following weblink: https://www.tatacommunications.com/investors/results/ 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