Intimation of credit rating

CIN: L65920MH1994PLC080618 HDFC Bank Limited, Email: shareholder.grievances@hdfc.bank.in HDFC House, Website: www.hdfc.bank.in H T Parekh Marg, 165-166 Backbay Reclamation, Churchgate, Mumbai- 400 020 Tel. No.:022-66316000 Ref. No. SE/2026-27/91 August 20, 2026 BSE Limited National Stock Exchange of India Limited Dept. of Corporate Services The Listing Department Phiroze Jeejeebhoy Towers, Exchange Plaza, Dalal Street, Fort, Bandra Kurla Complex, Mumbai – 400 001. Mumbai – 400 051 Scrip Code:500180 Scrip Symbol: HDFCBANK Dear Sir / Madam, Sub: Intimation of Credit Rating pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”) Pursuant to Regulation 30 read with Para A(3) of Part A of Schedule III of the SEBI Listing Regulations, we wish to inform that S&P Global Ratings, acting through S&P Global Ratings Singapore Pte. Limited, and Moody’s Investors Service Singapore Pte. Limited have assigned ratings to the proposed Fixed Rate Senior Notes of the Bank on August 20, 2026. The summary of the ratings assigned is given below: S&P Global Ratings, acting through S&P Global Ratings Singapore Pte. Limited Rating Description Rating description Rating Action Proposed USD Senior Notes due 2029 and 2031 BBB Assigned Moody’s Investors Service Singapore Pte. Limited Instrument Type Size of Issue Rating Outlook Rating Action Fixed Rate Senior Notes USD 1,750,000,000 Baa3 Stable Assigned The rating letters issued by S&P Global Ratings, acting through S&P Global Ratings Singapore Pte. Limited, and Moody’s Investors Service Singapore Pte. Limited are annexed herewith for your information and record. This is for your information and appropriate dissemination. Thanking you, Yours faithfully, For HDFC Bank Limited Ajay Agarwal Company Secretary Group Head – Secretarial & Group Oversight Encl: a/a Regd. Office: HDFC Bank Limited, HDFC Bank House, Senapati Bapat Marg, Lower Parel (West), Mumbai – 400 013 C-111, Ground Floor, Nila Spaces, Block 11-D, Zone 1, Road-1A, Gift SEZ, Village Ratanpur, Taluka and District Gandhinagar, Gujrat-382355 India, Gift City, Gandhinagar-382355, Gujarat, India 20 August 2026 S&P Global Ratings Singapore Pte. Ltd. HDFC Bank Ltd. (GIFT-City Branch) Kapil Bansal, Sr. Executive Vice President, Treasury Re: New Rating To Whom it May Concern, S&P Global Ratings hereby assigns the below rating(s): Issuer Rating Description Rating HDFC Bank Ltd. Proposed USD Senior Notes BBB (GIFT-City Branch) due 2029 and 2031 This letter assumes that the final documentation for the above-referenced issue[s] will not materially differ from the latest version we received. Please send us a clean copy of the executed documentation, and if applicable a marked copy showing any changes that were made, as soon as available. This letter constitutes S&P Global Ratings’ permission for you to disseminate the above- assigned rating(s) to interested parties in accordance with applicable laws and regulations. However, permission for such dissemination (other than to professional advisors bound by appropriate confidentiality arrangements or to allow the Issuer to comply with its regulatory obligations) will become effective only after we’ve released the rating on www.spglobal.com/ratings. Any dissemination on any Website by you or your agents shall include the full analysis for the rating, including any updates, where applicable. Any such dissemination shall not be done in a manner that would serve as a substitute for any products and services containing S&P Global Ratings’ intellectual property for which a fee is charged. To the extent that regulatory authorities allow a rating agency to acknowledge in one jurisdiction a rating issued in another jurisdiction for certain regulatory purposes, S&P Global Ratings may choose to acknowledge such a rating and denote such acknowledgement on www.spglobal.com/ratings with an alphabetic or other identifier affixed to such rating or by other means. To maintain the rating(s), S&P Global Ratings must receive all information as indicated in the applicable Terms and Conditions. You understand that S&P Global Ratings relies on you and your agents and advisors for the accuracy, timeliness and completeness of the information submitted in connection with the rating and the continued flow of material information as part of the surveillance process. Please send all information via electronic delivery to: --. If SEC rule 17g-5 is applicable, you may post such information on the appropriate website. For any information not available in electronic format or posted on the applicable website, please send hard copies to: S&P Global Ratings, 12 Marina Boulevard, #23-01 Marina Bay Financial Centre, Tower 3, Singapore 018982. Attention: Nikita Anand. The rating(s) is/are subject to the Terms and Conditions attached to the Engagement Letter applicable to the rating. In the absence of such Engagement Letter and Terms and Conditions, the rating(s) is/are subject to the attached Terms and Conditions. The applicable Terms and Conditions are incorporated herein by reference. In accordance with the Terms and Conditions, S&P Global Ratings may assign, raise, lower, suspend, place on CreditWatch, or withdraw a credit rating, and assign or revise an Outlook, at any time, in S&P Global Ratings’ sole discretion. S&P Global Ratings may take any of the foregoing actions notwithstanding any request for a withdrawal of a credit rating or termination of the Engagement Letter. S&P Global Ratings is pleased to have the opportunity to provide its rating opinion. For more information please visit our website at www.spglobal.com/ratings. If you have any questions, please contact us. Thank you for choosing S&P Global Ratings. Sincerely yours, S&P Global Ratings, acting through S&P Global Ratings Singapore Pte. Limited Analytical Contact: Name: Nikita Anand S&P Global Ratings Terms and Conditions Applicable to Credit Ratings You understand and agree that: General. The credit ratings and other views of S&P Global Ratings are statements of opinion and not statements of fact. Credit ratings and other views of S&P Global Ratings are not recommendations to purchase, hold, or sell any securities and do not comment on market price, marketability, investor preference or suitability of any security. While S&P Global Ratings bases its credit ratings and other views on information provided by issuers and their agents and advisors, and other information from sources it believes to be reliable, S&P Global Ratings does not perform an audit, and undertakes no duty of due diligence or independent verification, of any information it receives. Such information and S&P Global Ratings’ opinions should not be relied upon in making any investment decision. S&P Global Ratings does not act as a “fiduciary” or an investment advisor. S&P Global Ratings neither recommends nor will recommend how an issuer can or should achieve a particular credit rating outcome nor provides or will provide consulting, advisory, financial or structuring advice. S&P Global Ratings owns and hereby reserves all right, title and interest in and to (i) the credit ratings, analytical reports and other views, opinions, data and information provided hereunder and (ii) its trademarks and service marks. All Credit Rating Actions in S&P Global Ratings’ Sole Discretion. S&P Global Ratings may assign, raise, lower, suspend, place on CreditWatch, or withdraw a credit rating, and assign or revise an Outlook, at any time, in S&P Global Ratings’ sole discretion. S&P Global Ratings may take any of the foregoing actions notwithstanding any request for a confidential or private credit rating or a withdrawal of a credit rating, or termination of this Agreement. Publication. S&P Global Ratings reserves the right to use, publish, disseminate, or license others to use, publish or disseminate the credit rating provided hereunder and any analytical reports, including the ra [Showing first 8,000 characters — download PDF for full document]