General Updates

HQ/CS/CL.24B/18505 September 8, 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 S YMBOL: TATACOMM Scrip Code: 500483 Sub: Intimation under Regulation 30 of SEBI (Listing Obligations & Disclosure Requirements) Regulations 2015 – Dissolution of a wholly owned indirect subsidiary Dear Sir / Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("Listing Regulations"), we have been informed through email communication dated September 7, 2026 that Kaleyra Africa (Pty) Limited, a non-operating, wholly owned indirect subsidiary of Tata Communications Limited domiciled in South Africa, has been dissolved with effect from September 4, 2026 upon completion of the necessary processes for voluntary liquidation with the Companies and Intellectual Property Commission (CIPC), South Africa. The details required under Regulation 30 of the Listing Regulations read with SEBI Circular No. SEBI/HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, are given in the enclosed “Annexure A” The aforesaid disclosure is also available on the website of the Company at https://www.tatacommunications.com/investors/filings/. 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 India Tel: + 91 9228918171 email: investor.relations@tatacommunications.com CIN: L64200MH1986PLC039266 website: www.tatacommunications.com ANNEXURE A Disclosure for winding-up of a wholly-owned indirect subsidiary of the Company in terms of Regulation 30 of the Listing Regulations read with SEBI Circular No. SEBI/HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 Sr. Particulars Details 1. The amount and percentage of the turnover or revenue Not Applicable since Kaleyra Africa (Pty) Limited or income and net worth contributed by such unit or was a non-operating entity. division or undertaking or subsidiary or associate company of the listed entity during the last financial year. 2. Date on which the agreement for sale has been Not applicable as the entity has been dissolved. entered into. 3. The expected date of completion of sale/disposal. The entity has undergone dissolution w.e.f., September 4, 2026. 4. Consideration received from such sale/disposal. Since the entity is an indirect subsidiary, no amount has been received by the Company following the dissolution of the entity. 5. Brief details of buyers and whether any of the buyers belong to the promoter/ promoter group/group companies. If yes, details thereof. 6. Whether the transaction would fall within related party transactions? If yes, whether the same is done at “arm’s length”. 7. Whether the sale, lease or disposal of the undertaking is Not Applicable outside Scheme of Arrangement? If yes, details of the same including compliance with regulation 37A of LODR Regulations. 8. Additionally, in case of a slump sale, indicative disclosures provided for amalgamation/merger, shall be disclosed by the listed entity with respect to such slump sale. 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 India Tel: + 91 9228918171 email: investor.relations@tatacommunications.com CIN: L64200MH1986PLC039266 website: www.tatacommunications.com