General Updates

June 24, 2026 BSE Limited National Stock Exchange of India Limited Listing Department Listing Department Phiroze Jeejeebhoy Towers Exchange Plaza, 5th floor Dalal Street Plot No. C/1, G Block Mumbai 400 001 Bandra-Kurla Complex Bandra (East) Mumbai 400 051 Dear Sir/Madam, S Sub: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 This is further to the disclosure made by ICICI Bank Limited (‘the Bank’) on February 28, 2026 with regard to purchase of up to 2.0% additional shareholding in its subsidiary, ICICI Prudential Life Insurance Company Limited (‘ICICI Life’) subject to receipt of requisite approvals. Reserve Bank of India has, vide its letter dated June 24, 2026, accorded its approval to the Bank for purchase of additional shareholding of up to 2% in ICICI Life to maintain its shareholding in ICICI Life above 50%, subject to compliance with certain conditions. Yours sincerely, For ICICI Bank Limited Prachiti Lalingkar Company Secretary Copy to: (i) New York Stock Exchange (NYSE) (ii) SIX Swiss Exchange Ltd. (iii) Singapore Stock Exchange (iv) Japan Securities Dealers Association