Updated brief profile of Mr. Parthasarathi Periaswamy, Additional Director of the Bank

Karnataka Bank Ltd. Your Family Bank. Across India. Regd. & Head Office Phone : 0824-2228222 Post Box No.599, Mahaveera Circle E - M a i l : c o m s e c @ k tk . b a n k . i n Kankanady Website : www.karnatakabank.bank.in Mangaluru – 575 002 CIN : L85110KA1924PLC001128 SECRETARIAL DEPARTMENT HO:SEC:105:2026-27 30.07.2026 The Manager The Manager Listing Department Corporate Relationship Department National Stock Exchange of India Limited BSE Limited Exchange Plaza,C-1, Block G Phiroze Jeejeebhoy Towers Bandra-Kurla Complex, Bandra (E) Dalal Street MUMBAI - 400051 MUMBAI - 400001 NSE Scrip Code: KTKBANK BSE Scrip Code: 532652 Madam / Dear Sir, Reg.: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015: Updated Brief Profile of the Additional Director; Mr. Parthasarathi Periaswamy, appointed on July 29, 2026 Ref: Our earlier letter no.: HO:SEC:102:2026-27 dated July 29, 2026 In reference to our earlier disclosure mentioned above and pursuant to Regulation 30 and other applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we submit herewith an updated brief profile of Mr. Parthasarathi Periaswamy (DIN: 08507318) who has been appointed as an Additional Director in the category of Non-Executive, Independent Director of the Bank for a period of four years with effect from July 29, 2026. The updated brief profile is being submitted for better clarity. This is for your kind information and dissemination. Yours faithfully, Sham K Company Secretary & Compliance Officer Annexure Brief Profile of Mr. Parthasarathi Periaswamy: Mr. Parthasarathi Periaswamy is a seasoned technology and cybersecurity leader with over three decades of experience at the highest levels of India’s financial sector. As former Chief Information Security Officer and Chief General Manager (IT) at the Reserve Bank of India, he has played a pivotal role in shaping national cybersecurity frameworks, modernizing mission critical infrastructure and strengthening resilience across the banking ecosystem. He has served as Chief Technology Officer at the Institute for Development and Research in Banking Technology (IDRBT), where he directed IT infrastructure, trust services and the national threat intelligence platform (IB CART). His leadership extended to convening the CISO Forum and organizing national cyber drills, fostering collaboration and preparedness among banks. Beyond central banking, Mr. Parthasarathi has advised leading private sector banks on cybersecurity governance, policy reviews and crisis management. He was formerly a Consultant to the Reserve Bank Innovation Hub, guiding projects on cybersecurity in the financial sector. Further, he was a Board Member of Indian Financial Technology and Allied Services (IFTAS), an RBI subsidiary, for the period 2019 – 2021, where he had overseen technology governance and sector wide IT initiatives. Widely respected for his ability to bridge technology, regulation and strategy, Mr. Parthasarathi is passionate about advancing organizational resilience, regulatory technology and cybersecurity governance. His career reflects a commitment to strengthening trust in financial systems and preparing institutions for the challenges of a digital future.