General Updates

TCS/SE/110/2026-27 October 15, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1, Block G, P. J. Towers, Bandra Kurla Complex, Bandra (East), Dalal Street, Mumbai - 400051 Mumbai - 400001 Symbol - TCS Scrip Code No. - 532540 Dear Sirs, Sub: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Completion of acquisition of BBY Services India LLP Ref: Letter no. TCS/SE/94/2026-27 dated October 1, 2026 In furtherance to our aforesaid letter pertaining to the acquisition of 100% partnership interest in BBY Services India LLP, we wish to inform you that the Company has completed the acquisition today i.e. October 15, 2026. Accordingly, BBY Services India LLP has become a wholly owned subsidiary of the Company with effect from today. The above information is also available on the website of the Company www.tcs.com. This is for your information and record. Thanking you, Yours faithfully, For Tata Consultancy Services Limited Yashaswin Sheth Company Secretary ACS 15388 9th Floor Nirmal Building Nariman Point Mumbai 400 021 Tel 91 22 6778 9595 Fax 91 22 6630 3672 e-mail corporate.office@tcs.com website www.tcs.com Registered Office 9th Floor Nirmal Building Nariman Point Mumbai 400 021 Corporate Identity No. (CIN): L22210MH1995PLC084781