Earnings call intimation to the unaudited standalone and consolidated financial results of HDFC Bank Limited for the quarter and half-year ended 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- 400 020 Tel. No.:022-66316000 Ref. No. SE/2026-27/123 October 13, 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: Earnings call in relation to the unaudited standalone and consolidated financial results of HDFC Bank Limited (“the Bank”) for the quarter and half-year ended September 30, 2026 In continuation to our intimation dated September 22, 2026, regarding convening of a board meeting for approval of unaudited standalone and consolidated financial results of the Bank for the quarter and half-year ended September 30, 2026 (“the financial results”), we wish to inform you that the Bank will host an earnings call with analysts and investors at 16:00 hours (IST) on Saturday, October 17, 2026, wherein the senior management of the Bank will discuss the said financial results with the participants. Conference call‐ Dial in information: Date October 17, 2026 Time 16:00 hours (IST) India / Universal Number +91 22 6280 1329 / +91 22 7115 8230 International Toll Free numbers USA: 18667462133 Singapore: 8001012045 UK: 08081011573 Hong Kong: 800964448 Pre-registration details (to avoid wait time) https://ccreservations.com/hdfcbank/ Nature of the meeting Group meeting An audio recording of the conference call would be available on the Bank’s website in due course. 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