ESOP/ESOS/ESPS

HQ/CS/CL.24B/18496 August 21, 2026 National Stock Exchange of India Limited BSE Limited Listing & Compliance Department Listing Department 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 under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 for allotment of Equity Shares under Tata Communications Limited - Employee Stock Unit Plan 2023 (“RSU 2023”/ “Plan”) Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (‘Listing Regulations’), and SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021 (‘SBEB Regulations’), each as amended, this is to inform you that the Nomination and Remuneration Committee of the Company on August 21, 2026, has allotted 68,894 equity shares of face value of ₹10/- each to eligible employees upon exercise of vested options under the Plan. Pursuant to the aforesaid allotment of equity shares, the issued and paid-up equity share capital of the Company stands increased to ₹ 285,08,56,430 divided into 28,50,85,643 equity shares of the face value of ₹10/- each. The details as required under Regulation 10(c) read with Part E of SBEB Regulations and Regulation 30 of Listing Regulations are enclosed as Annexure 1 and 2 respectively. Kindly take the same on your 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 Annexure-1 Disclosure Pursuant to Regulation 10(c) read with Part E of the SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021 Sr. No. Particulars Details Company name and address of Tata Communications Limited 1. Registered Office: Registered Office: VSB Mahatma Gandhi Road Fort Mumbai – 400001 2. Name of the recognized Stock BSE Limited (BSE) and Exchanges on which the company's National Stock Exchange of India Limited shares are listed: (NSE) 3. Filing date of the statement referred in The Company has filed the statement referred regulation 10(b) of the Securities and in Regulation 10(b) of the SEBI (Share Based Exchange Board of India (Share Based Employee Benefits and Sweat Equity) Employee Benefits and Sweat Equity) Regulations, 2021 with BSE on August 30, Regulations, 2021 with the recognized 2023 and NSE on August 25, 2023. Stock Exchange: 4. Filing Number, if any: BSE: 182956 NSE: 37068 5. Title of the Scheme pursuant to which Tata Communications Limited - Employee shares are issued, if any: Stock Unit Plan 2023 6. Kind of security to be listed: Equity Shares 7. Par value of the shares: ₹10/- 8. Date of issue of shares: August 21, 2026 9. Number of shares issued: 68,894 10. Share Certificate No.: Not Applicable 11. Distinctive number of the share: From 28,50,16,750 to 28,50,85,643 (both inclusive) 12. ISIN Number of the shares if issued in INE151A01013 Demat: 13. Exercise price per share: ₹10/- per share 14. Premium per share: Nil 15. Total issued shares after this issue: 28,50,85,643 16. Total issued share capital after this 285,08,56,430/- issue (₹): 17. Details of any lock - in on the shares: Not Applicable 18. Date of expiry lock - in: Not Applicable Whether shares are identical in all All equity shares of the Company allotted 19. respects to existing shares? If not, when pursuant to exercise of stock options shall rank will they become identical? : pari-passu with the existing equity shares of the Company. 20. Details of listing fees, if payable: Not Applicable 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 Annexure-2 Disclosures as required under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Sr. No. Details that need to be provided Information 1. Type of securities proposed to be issued Equity Shares of the face value of ₹10/- each 2. Type of Issue RSU Allotment 3. Total number of securities proposed to be 68,894 equity shares listed 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