Intimation of Credit Rating pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ("SEBI Listing Regulations")

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/2026-27/89 August 19, 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 CARE Ratings Limited and India Ratings and Research Private Limited have assigned/affirmed/ reaffirmed the ratings to the Certificate of Deposit of the Bank on August 18, 2026 and August 19, 2026 respectively. The summary of the ratings assigned/affirmed/reaffirmed is given below. CARE Ratings Limited Instrument Amount (₹ crore) Rating Rating Action Certificate of 2,00,000.00 CARE A1+ Reaffirmed deposit (Enhanced from 1,50,000.00) India Ratings and Research Private Limited Instrument Type Maturity Date Size of Issue Rating/Outlook Rating Action (Billion) Certificate of 7-365 days INR 500 IND A1+ Assigned Deposit Certificate of 7-365 days INR 1500 IND A1+ Affirmed deposit This is for your information and appropriate dissemination. Thanking you, Regd. Office: HDFC Bank Limited, HDFC Bank House, Senapati Bapat Marg, Lower Parel (West), Mumbai – 400 013 Classification - Public Yours faithfully, For HDFC Bank Limited Ajay Agarwal Company Secretary Group Head – Secretarial & Group Oversight Encl: a/a Classification - Public No. CARE/HO/RL/2026-27/2415 Ms. Aparna Mantha Executive Vice President HDFC Bank Limited HDFC Bank House, Senapati Bapat Marg, Lower Parel, Mumbai Maharashtra 400013 August 18, 2026 Confidential Dear Madam, Credit Rating for Certificate of Deposits On the basis of recent developments including operational and financial performance of your company for FY26 (Audited) and Q1FY27 (Unaudited), our Rating Committee has reviewed the following rating(s): Amount Instrument Rating1 Rating Action (₹ crore) 2,00,000.00 Certificate Of Deposit CARE A1+ Reaffirmed (Enhanced from 1,50,000.00) 2. Please inform us the below-mentioned details of issue immediately, but not later than 7 days from the date of placing the instrument: Issu Name and Details e Coupon Terms of contact Instrumen ISI Coupo Redemptio of top 10 Size Paymen Redemptio details of t type N n Rate n date investor (Rs t Dates n Trustee/IP cr.) A 1Complete definitions of the ratings assigned are available at www.careratings.com and in other CARE Ratings Ltd.’s publications. CARE Ratings Limited 4th Floor, Godrej Coliseum, Somaiya Hospital Road, Off Eastern Express Highway, Sion (East), Mumbai Phone: +91-22-6754 3456 • www.careedge.in CIN-L67190MH1993PLC071691 Page 1 of 3 3. The rating report for the rating will be communicated to you separately. A write-up (press release) on the above rating is proposed to be issued to the press shortly, a draft of which will be shared separately. We request you to peruse the document and offer your comments if any. We are doing this as a matter of courtesy to our clients and with a view to ensure that no factual inaccuracies have inadvertently crept in. Kindly revert as early as possible. In any case, if we do not hear from you by August 25, 2026, we will proceed on the basis that you have no any comments to offer. 4. CARE Ratings Ltd. reserves the right to undertake a surveillance/review of the rating from time to time, based on circumstances warranting such review, subject to at least one such review/surveillance every year. 5. CARE Ratings Ltd. reserves the right to revise/reaffirm/withdraw the rating assigned as a result of periodic review/surveillance, based on any event or information which in the opinion of CARE Ratings Ltd. warrants such an action. In the event of failure on the part of the entity to furnish such information, material or clarifications as may be required by CARE Ratings Ltd. so as to enable it to carry out continuous monitoring of the rating of the debt instruments, CARE Ratings Ltd. shall carry out the review on the basis of best available information throughout the life time of such instruments. In such cases the credit rating symbol shall be accompanied by “ISSUER NOT COOPERATING”. CARE Ratings Ltd. shall also be entitled to publicize/disseminate all the afore- mentioned rating actions in any manner considered appropriate by it, without reference to you. 6. Our ratings do not factor in any rating related trigger clauses as per the terms of the facility/instrument, which may involve acceleration of payments in case of rating downgrades. However, if any such clauses are introduced and if triggered, the ratings may see volatility and sharp downgrades. 7. Users of this rating may kindly refer our website www.careratings.com for latest update on the outstanding rating. 8. CARE Ratings Ltd. ratings are not recommendations to buy, sell, or hold any securities. If you need any clarification, you are welcome to approach us in this regard. Thanking you, Yours faithfully, Lokesh Warjurkar Shaik Abdul Saleem Lead Analyst Associate Director CARE Ratings Limited 4th Floor, Godrej Coliseum, Somaiya Hospital Road, Off Eastern Express Highway, Sion (East), Mumbai Phone: +91-22-6754 3456 • www.careedge.in CIN-L67190MH1993PLC071691 Page 2 of 3 Lokesh Warjurkar Shaik Abdul Saleem lokesh.warjurkar@careedge.in shaik.saleem@careedge.in Encl.: As above Disclaimer This disclaimer pertains to the ratings issued and content published by CARE Ratings Limited (“CareEdge Ratings”). Ratings are opinions on the likelihood of timely payment of the obligations under the rated instrument and are not recommendations to sanction, renew, disburse, or recall the concerned bank facilities or to buy, sell, or hold any security. Any opinions expressed herein are in good faith and are subject to change without notice. The rating reflects the opinions as on the date of the rating. A rating does not convey suitability or price for the investor. The rating agency does not conduct an audit on the rated entity or an independent verification of any information it receives and/or relies on for the rating exercise. CareEdge Ratings has based its ratings/outlook on the information obtained from reliable and credible sources. CareEdge Ratings does not, however, guarantee the accuracy, adequacy, or completeness of any information and is not responsible for any errors or omissions and the results obtained from the use of such information. The users of the rating should rely on their own judgment and may take professional advice while using the rating in any way. CareEdge Ratings shall not be liable for any losses that user may incur or any financial liability whatsoever to the user of the rating. The use or access of the rating does not create a client relationship between CareEdge Ratings and the user. CAREEDGE RATINGS DISCLAIMS WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHER WARRANTIES OR CONDITIONS, TO THE EXTENT PERMITTED BY APPLICABLE LAWS, INCLUDING WARRANTIES OF MERCHANTABILITY, ACCURACY, COMPLETENESS, ERROR-FREE, NON- INFRINGEMENT, NON-INTERRUPTION, SATISFACTORY QUALITY, FITNESS FOR A PARTICULAR PURPOSE OR INTENDED USAGE. Most entities whose bank facilities/instruments are rated by CareEdge Ratings have paid a credit rating fee, based on the amount and type of bank facilities/instruments. CareEdge Ratings or its subsidiaries/associates may also be involved with other commercial transactions with the entity. CareEdge Ratings does not act as a fiduciary by providing the rating. The ratings are intended for use only within the jurisdiction of India. [Showing first 8,000 characters — download PDF for full document]