Intimation of ESG ratings pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015

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/2026-27/94 August 24, 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 ESG ratings 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, this is to inform that following ESG ratings have been assigned to the Bank on August 24, 2026: ESG Rating Provider ESG rating ESG Risk Assessments & Insights Limited 73.03 Crisil ESG Ratings & Analytics Limited 76 We would like to clarify that the Bank has not engaged ESG Risk Assessments & Insights Limited and Crisil ESG Ratings & Analytics Limited for any such rating or report and the same is independently prepared by them based on information available in the public domain. 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 Regd. Office: HDFC Bank Limited, HDFC Bank House, Senapati Bapat Marg, Lower Parel (West), Mumbai – 400 013