HINDPETRO

H. ul'lfl<Jl <:rel ~- ~ ilnl'll 'i. • 11041. ~ • 400 020. ~ • 2286 3900 • tf<R! • 2287 2992 • t·irrt : corphqo@hpcl.in 17. Jamshedji Tata Road. P. 0. Box No. • 11041. Mumbal -400 020. Tel. : 2286 3900 • Fax : 2287 2992 • e-mail : corphqo@hpcl.ui CIN llo.: L23201MH1952GOI008858 Ref.: Co.Secy./RKS/263/2026 July 22, 2026 BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai – 400 001 Scrip Code: 500104 Sub.: Investor Presentation- National Stock Exchange of India Limited Conference Call Exchange Plaza, 5th Floor,Plot No. C/1, G-Block, Bandra-Kurla Complex, Bandra East, Mumbai – 400 051 Scrip Name: HINDPETRO Dear Sir(s), We write with reference to our earlier letter Ref.: Co.Secy./RKS/250/2026 dated July 16, 2026 advising Conference Call on Thursday, July 23, 2026 at 10:00 a.m. (IST). The Investor presentation to be made during the said Conference Call is available on the website of the company at the below mentioned link: https://www.hindustanpetroleum.com/documents/pdf/Investor_Presentation_Q1_FY_2026-27.pdf This is for your information and records. Thanking you, Very truly yours, Rakesh Kumar Singh Company Secretary