Analysts/Institutional Investor Meet/Con. Call Updates

~~«11-1 4,1ciR:lr.1 ('l!Tralmlm =l ~ ~: 11, ~k-;ft=m-. ~. $it - 400 020 Deliverin~· Happiness, Hindustan Petroleum Corporation Limited (A Govt. of India Enterprise) Regd. Office: 17, Jamshedji Tata Road, Churchgate, Mumbai -400 020 Ref.: Co.Secy./RKS/335/2026 September 16, 2026 BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai – 400 001 Scrip Code: 500104 National Stock Exchange of India Limited Sub.: Schedule of Analysts / Exchange Plaza, 5th Floor, Investors Meet / Conference Plot No. C/1, G-Block, Bandra-Kurla Complex, Bandra East, Mumbai – 400 051 Scrip Name: HINDPETRO Dear Sirs, Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform that Senior Management of Hindustan Petroleum Corporation Limited, in co-ordination with Morgan Stanley, will be interacting with Investors / Analysts at its Corporate Office in Mumbai on Tuesday, 22nd September, 2026 from 10:00 am onwards. This is to further inform that no unpublished price sensitive information is proposed to be discussed during the Investor conference. The above shall be subject to changes, if any. This is for your information and records. Thanking you, Very truly yours, Rakesh Kumar Singh Company Secretary m. - 17, ~ 400 020 I ._~"''" : 22a6 3900 17, Jamsh~dji Tata Road, Churchgate, Mumbai ~ 400 020 I Phone : 2286 3900 emall :corphqo@hpcl.in I website: www.hlndust.,npe1:rolcum.com I CIN: L23201Ml-11952GOJ008858