HDFC Bank Ltdhas informed BSE that the meeting of the Board of Directors of the Company is scheduled on 17/10/2026 ,inter alia, to consider and approve the unaudited standalone and consolidated financial results of the Bank for the quarter/half-year ending September 30,2026

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- 400020 Tel.:022-66316000 Ref. No. SE/2026-27/109 September 22, 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, Ref: Intimation under Regulations 29 and 50 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 and SEBI (Prohibition of Insider Trading) Regulations, 2015 We wish to inform you that a meeting of the Board of Directors of HDFC Bank Limited (“the Bank”) is scheduled to be held on Saturday, October 17, 2026 to inter-alia consider and approve the unaudited standalone and consolidated financial results of the Bank for the quarter/ half-year ending September 30, 2026. We also wish to inform you that the window for trading in securities of the Bank shall remain closed from Thursday, September 24, 2026 to Monday, October 19, 2026 (both days inclusive) for the designated employees and their immediate relatives pursuant to the Bank’s share dealing code. This is for your information and appropriate dissemination. Thank you. Yours faithfully, For HDFC Bank Limited Ajay Agarwal Company Secretary Group Head – Secretarial & Group Oversight Copy to: 1. New York Stock Exchange 2. Singapore Exchange Securities Trading Limited 11,Wall Street, 2 Shenton Way 068804 New York, NY 10005, USA # 02-00 SGX Centre 1 Singapore 068804 Regd. Office: HDFC Bank Limited, HDFC Bank House, Senapati Bapat Marg, Lower Parel (West), Mumbai – 400 013