Newspaper Advertisement - Unaudited Financial Results for quarter and half year ended September 30, 2026

Ref. No.: TTL/COSEC/SE/2026-27/66 October 15, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block G, Dalal Street, Bandra Kurla Complex, Bandra (E), Mumbai- 400001, India. Mumbai – 400 051, India. Scrip Code: 544028 Trading symbol: TATATECH Dear Sir / Madam, Subject: Newspaper Advertisement- Unaudited Financial Results for quarter and half year ended September 30, 2026 Pursuant to Regulation 47 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, please find enclosed copies of the newspaper advertisement published in Financial Express (English) and Loksatta (Marathi) today, relating to Unaudited Standalone and Consolidated Financial Results for quarter and half year ended September 30, 2026. This will also be posted on the Company’s website www.tatatechnologies.com. This is for your information and records. For Tata Technologies Limited Raghav Mulay Company Secretary and Compliance Officer Tata Technologies Limited Plot No 25, Rajiv Gandhi Infotech Park | Hinjawadi, Pune 411057 | India Tel: +91 20 6652 9090 | Fax: +91 20 6652 9035 CIN L72200PN1994PLC013313 Email: investor@tatatechnologies.com Website: www.tatatechnologies.com