Appointment

August 18, 2025 The Listing Department, National Stock Exchange of India Limited Exchange Plaza, 5th Floor, Plot no. C/1 G Block Bandra-Kurla Complex, Bandra (E) Mumbai – 400 051 Symbol: BSE ISIN: INE118H01025 Subject: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”) Dear Madam / Sir, Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform that Shri Abhishek Jha has been appointed as Joint Chief Information Security Officer , Key Management Personnel and Senior Management, with effect from September 1, 2026. Disclosure as per SEBI Circular HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026, is enclosed as Annexure A. This intimation is also being made available on the website of the Company at www.bseindia.com . This is for your information and record. Thanking You, For BSE Limited Vishal Bhat Company Secretary & Compliance Officer ACS 41136 Registered Office: BSE Limited, Floor 25, P J Towers, Dalal Street, Mumbai - 400 001, India. T: +91 22 2272 1234/33 | E: corp.comm@bseindia.com www.bseindia.com | Corporate Identity Number: L67120MH2005PLC155188 BSE - PU BLIC Annexure A Particulars Description Reason for change Appointment of Shri Abhishek Jha as Joint Chief Information Security Officer, Key Management Personnel and Senior Management Date of September 1, 2026 Appointment Brief Profile Shri Abhishek Jha is a cybersecurity leader with 23+ years of experience across financial services, engineering and defence, with expertise in cybersecurity strategy and governance, enterprise resilience, regulatory compliance and crisis management. He currently serves as Global Chief Information Security Officer (CISO) at Tata Technologies Limited and has previously served as BISO for Citi India Retail and CISO for Citi Global Markets at Citibank. Earlier, he served with the Indian Air Force. He holds a Gold Medal in Master of Computer Applications (MCA), a Post Graduate Diploma in Cyber Law and Cyber Forensics, and an MBA in FinTech. He is also a frequent speaker on cybersecurity, cyber resilience and emerging technology risks at industry and professional forums. Disclosure of NA relationships between directors Registered Office: BSE Limited, Floor 25, P J Towers, Dalal Street, Mumbai - 400 001, India. T: +91 22 2272 1234/33 | E: corp.comm@bseindia.com www.bseindia.com | Corporate Identity Number: L67120MH2005PLC155188 BSE - PU BLIC