Acquisition

TCS/SE/94/2026-27 October 1, 2026 National Stock Exchange of India Limited BSE Limited Exchange Plaza, P. J. Towers, Bandra Kurla Complex, 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 (“SEBI Listing Regulations”) Pursuant to Regulation 30 of SEBI Listing Regulations, we wish to inform you regarding the acquisition of 100% partnership interest in BBY Services India LLP, a limited liability partnership firm. In this regard, the Agreement for proposed transfer of partnership interest (“Agreement”) has been executed today. The completion of the acquisition is subject to fulfilment of conditions precedent as specified in the Agreement. We are enclosing herewith the brief details of the above as prescribed under SEBI Listing Regulations as Annexure A. The meeting of the Investment Committee (as empowered by the Board of Directors) held today to approve the aforesaid acquisition, commenced at 3:35 p.m. and concluded at 4:05 p.m. The above information is also available on the website of the Company www.tcs.com. 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 Annexure A Details under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 S/n. Particulars Details 1. Name of the target entity, details in BBY Services India LLP (“BBY India”) having brief such as size, turnover etc. LLPIN: ACE-2860, was incorporated in Bengaluru in 2023. The entity has an employee base of ~450 employees engaged in Engineering, Data & Analytics and AI capabilities. 2. Whether the acquisition would fall The Proposed Transaction does not fall within within related party transaction(s) and the ambit of related party transaction. whether the promoter/ promoter group/ group companies have any The promoter/promoter group/group interest in the entity being acquired? companies do not have any interest in the entity being acquired. If yes, nature of interest and details thereof and whether the same is done at “arm’s length” 3. Industry to which the entity being Information Technology (IT) and IT Enabled acquired belongs Services 4. Objects and impact of acquisition Establishment of an AI Native Capability (including but not limited to, Center; delivery of services through a Human disclosure of reasons for acquisition + AI operating model; enhancement of AI-led of target entity, if its business is transformation capabilities; and generation of outside the main line of business of incremental revenue opportunities. the listed entity) 5. Brief details of any governmental or Not Applicable regulatory approvals required for the acquisition 6. Indicative time period for completion 3 – 4 weeks from date of the signing of the of the acquisition Agreement 7. Consideration - whether cash Cash consideration consideration or share swap or any other form and details of the same 8. Cost of acquisition and/or the price at INR 1 Lakh which the shares are acquired 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 S/n. Particulars Details 9. Percentage of shareholding / control 100% acquired and / or number of shares acquired 10. Brief background about the entity For details of brief background refer to acquired in terms of products/line of Point (1). business acquired, date of incorporation, history of last 3 years Last 3 years turnover: turnover, country in which the • FY 2023-24: NIL acquired entity has presence and any • FY 2024-25: INR 48.12 crore other significant information (in brief) • FY 2025-26: INR 294.53 crore 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