Other Restructuring

HQ/CS/CL.24B/18544 October 31, 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: Intimation under Regulation 30 of SEBI (Listing Obligations & Disclosure Requirements) Regulations 2015 – Update on intra-group restructuring This is further to our letter bearing reference no. HQ/CS/CL.24B/18526 dated October 15, 2026, under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (‘SEBI Listing Regulations’), regarding the proposed simplification of the Company’s existing group structure. The transfer of the Company's entire shareholding comprising 100 shares of Common Stock, representing 100% of the issued share capital of Kaleyra, Inc., to Tata Communications (Netherlands) B.V. (‘TCNL’) has been completed and became effective on October 31, 2026. The relevant documentation in connection with the issuance of shares by TCNL to the Company as consideration for the aforesaid transfer was also executed on the same day. Pursuant to the next step of the proposed restructuring, Kaleyra, Inc. has merged with and into Kaleyra US Inc., with Kaleyra US Inc. continuing as the surviving entity effective October 31, 2026. The aforesaid transactions form part of an intra-group restructuring aimed at simplifying and consolidating the ownership structure of the Tata Communications’ Group and does not result in any change in the ultimate beneficial ownership and beneficial economic interest of the Company in Kaleyra Group entities. Details as required under Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD POD2/I/3762/2026 dated January 30, 2026 is enclosed as (Attachment A). The aforesaid disclosure is also available on the website of the Company at www.tatacommunications.com/investors. 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 Attachment A Details required under Regulation 30 of the SEBI Listing Regulation read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD POD2/I/3762/2026 dated January 30, 2026 for other Restructuring: Sr. Particulars Details 1. Details and reasons for As part of the internal restructuring, Kaleyra, Inc. has merged with restructuring and into its wholly owned subsidiary, Kaleyra US Inc., with Kaleyra US Inc. continuing as the surviving entity. Accordingly, Kaleyra, Inc. has ceased to exist as a separate legal entity. The merger is intended to simplify the Company’s existing group structure and consolidate its operations. 2. Quantitative and/ or Kaleyra, Inc. has merged into Kaleyra US Inc., with the latter qualitative effect of continuing as the surviving entity. The merger has resulted in the restructuring dissolution of Kaleyra, Inc. as a separate legal entity, with its business and operations continuing through Kaleyra US Inc. The restructuring is an intra-group transaction and is not expected to have any material impact on the consolidated financial position of the Company. 3. Details of benefit, if any, to Nil the promoter/ promoter group/ group companies from such proposed restructuring 4. Brief details of change in Kaleyra US Inc. continues as the surviving entity and became a shareholding pattern (if any) direct subsidiary of Tata Communications (Netherlands) B.V. There of all entities will be no change in the ultimate ownership and beneficial economic interest of the Company in Kaleyra group entities. 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