Intimation of ESG ratings pursuant to Regulation 30 of 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/2026-27/97 September 1, 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 SES ESG Research Private Limited has assigned an ESG rating of 74.4 to the Bank on August 30, 2026 which was intimated to the Bank on August 31, 2026. We would like to clarify that the Bank has not engaged SES ESG Research Private 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