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

HQ/CS/CL.24B/18405 April 28, 2026

National Stock Exchange of India Limited 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: 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/18400 dated April 13, 2026 please note that the transcript of the Earnings Call held via webinar on Wednesday, April 22, 2026 at 6:30 pm IST regarding the Financial Results of the Company for the quarter and financial year ended March 31, 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