Analysts/Institutional Investor Meet/Con. Call Updates

Ref. No.: TTL/COSEC/SE/2026-27/51 September 7, 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: Intimation of Tata Technologies Limited Investor Day Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we are enclosing herewith the details to attend Tata Technologies Limited’s Investor Day, scheduled to be held on November 19, 2026. The aforesaid disclosure is also made available on the Company’s website at www.tatatechnologies.com This is for your information and records. For Tata Technologies Limited Raghav Mulay Company Secretary & 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 Tata Technologies Investor Day 2026 Tata Technologies Limited is hosting its first Investor Day on Thursday, November 19, 2026 in Mumbai. The details of the same are as mentioned below: Please refer to the link below to express an interest in attending the event: https://www.tatatechnologies.com/investor-day-2026/ The deadline to express your interest in the event is October 30, 2026. Given the limited seating capacity at the venue, confirmed participants will be notified separately by email on or before November 10, 2026. Admission to the event will be at the sole discretion of Tata Technologies Limited. If you have any further queries with respect to the Investor Day, please contact the Tata Technologies Limited’s Investor Relations team via email: investorday@tatatechnologies.com A copy of the presentation and recording of the event will be made available on the Company’s website at: www.tatatechnologies.com 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