This is to inform you that ICICI Bank Limited (Bank), acting through its IFSC Banking Unit, has today at 1:33 a.m. IST priced USD 1 billion Senior Unsecured Fixed Rate Notes (Notes) under ....

July 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, Sub: Disclosure under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 This is to inform you that ICICI Bank Limited (“Bank”), acting through its IFSC Banking Unit, has today at 1:33 a.m. IST priced USD 1 billion Senior Unsecured Fixed Rate Notes (“Notes”) under the USD 7.5 billion Global Medium Term Note Programme (“Programme”) of the Bank. Details of the pricing of the Notes are provided in Annexure. NOT FOR DISTRIBUTION IN THE UNITED STATES This document is not an offer of securities for sale in the United States. Any securities referred to herein have not been and will not be registered under the United States Securities Act of 1933, as amended (the “Securities Act”) or any United States state securities laws, and may not be offered or sold in the United States except pursuant to an exemption from, or in a transaction not subject to, the registration requirements of the Securities Act and in accordance with any applicable United States state securities laws. There is no intention to register any securities referred to herein in the United States or to make a public offering of the securities in the United States. This document does not constitute an offer to sell or the solicitation of an offer to buy the Notes described herein. Yours sincerely, For ICICI Bank Limited Prachiti Lalingkar Company Secretary Encl.: as above. Copy to - (i) New York Stock Exchange (NYSE) (iii) Japan Securities Dealers Association (ii) Singapore Stock Exchange (iv) SIX Swiss Exchange Ltd Annexure Particulars Details Issuer ICICI Bank Limited, acting through its IFSC Banking Unit Type of securities USD denominated Senior Unsecured Fixed Rate Notes (“Notes”) Type of issuance 144A/RegS Registered, Category 1, Drawdown under the Bank’s USD 7.5 billion Global Medium Term Note Programme Size of the Issue USD 1 billion Use of Proceeds The net proceeds from issue of Notes will be used by the Issuer for its general corporate purposes in accordance with relevant regulatory guidelines Whether proposed to be listed? If Proposed to be listed at Global Securities Market of yes, name of the stock the India International Exchange IFSC Limited, Debt exchange(s) Securities Market of the NSE IFSC Limited and SGX-ST Tenure of the instrument - date of Tenure - 5 years allotment and date of maturity Allotment Date - July 30, 2026 Date of Maturity - July 30, 2031 Coupon/interest offered, schedule Coupon: 5.459% of payment of coupon/ interest and principal Interest payment dates: 30 July and 30 January in each year up to and including the date of maturity. Charge or security, if any, created Unsecured over the assets Special right/interest/privileges Not applicable attached to the instrument and changes thereof Delay in payment of interest/ Nil principal amount for a period of more than three months from the due date or default in payment of interest/ principal Details of any letter or comments Not applicable regarding payment/non-payment of interest, principal on due dates, or any other matter concerning the security and /or the assets along with its comments thereon, if any Details of redemption of Redemption on the date of maturity preference shares indicating the manner of redemption (whether out of profits or out of fresh issue) and debentures Any cancellation or termination of Nil proposal for issuance of securities including reasons thereof