General Updates

HQ/CS/CL.24B/18535 October 23, 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: Grant of stock options under ‘Tata Communications Limited - Stock Unit Plan 2023’ Pursuant to the authority granted by the shareholders at the 37th Annual General Meeting of the Company held on July 18, 2023, we hereby inform you that the Nomination and Remuneration Committee ("NRC") of the Company has approved the grant of 14,916 (Fourteen Thousand Nine Hundred and Sixteen) Restricted Stock Units (‘RSUs’) to eligible employees under the Tata Communications Limited Stock Unit Plan 2023, in accordance with the provisions of the SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021 with the effective date of grant being November 1, 2026. This disclosure is made pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 and the required information in compliance with SEBI Master Circular No. HO/49/14/14(7)2025-CFD POD2/I/3762/2026 dated January 30, 2026, pertaining to the above grant are provided in Annexure A. This is for your information and records. Thanking you, Yours faithfully, For Tata Communications Limited Zubin Adil Patel Company Secretary and Compliance Officer Encl.: as above 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 Disclosure under Para B of Part A of Schedule III to the Regulation 30 of the SEBI Listing Regulations Sr No. Items of Disclosure Description 1. B rief details of options 14,916 (Fourteen Thousand Nine Hundred and granted Sixteen) RSUs granted to eligible employees as determined by the NRC. 2. W hether the scheme is in Yes terms of Share Based Employee Benefits and Sweat Equity) Regulations, 2021 3. T otal number of shares 14,916 (Fourteen Thousand Nine Hundred and covered by these options Sixteen) RSUs exercisable into not more than 14,916 (Fourteen Thousand Nine Hundred and Sixteen) equity shares of face value of ₹10/- (Indian Rupees Ten Only) each fully paid up. 4. P ricing formula ₹10/- being the face value of the equity shares of Tata Communications Limited. 5. O ptions vested Nil 6. T ime within which option may RSUs once vested and confirmed by the NRC shall be be exercised exercisable within a maximum period of 1 (one) year from the date of vesting of the RSUs. 7. O ptions exercised Nil 8. M oney realized by exercise of Not Applicable options 9. T he total number of shares Not Applicable arising as a result of exercise of option 10. O ptions lapsed Nil 11. V ariation of terms of options Not Applicable 12. B rief details of significant The RSUs shall vest with the employee on the terms satisfaction of a time-based vesting criteria. The RSUs shall vest not earlier than a minimum period of 1 (one) year and not later than a maximum period of 3 (three) years from the grant date. 13. S ubsequent changes or Nil cancellation or exercise of such options 14. D iluted earnings per share Not Applicable pursuant to issue of equity shares on exercise of options 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