Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015

November 1, 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 On December 30, 2023, ICICI Bank Limited (the Bank) had disclosed an Order in Original (OIO) received from the Telangana Goods and Services Tax department for a penalty of ₹ 13,55,750/-. Pursuant to an appeal filed by it on the OIO, the Bank has, on October 31, 2026 at 4:45 p.m., received an Order in Appeal (OIA) under Section 107 of Central Goods and Services Tax Act, 2017 from the Additional Commissioner, (ST) (Grade-I) (FAC), Telangana, confirming a penalty of ₹ 6,95,418/-. The Bank will file an appeal contesting the OIA within the prescribed timelines. Please take the above information on record. Yours sincerely, For ICICI Bank Limited Vivek Ranjan Leadership Team Copy to: (i) New York Stock Exchange (ii) SIX Swiss Exchange Limited (iii) Singapore Stock Exchange (iv) Japan Securities Dealers Association