Analysts/Institutional Investor Meet/Con. Call Updates

cl~lfclt1J..1 a,lq"R~r.=r fclfilzs Delivering~ Happiness® Hindustan Petroleum Corporation Limited -'-...,.)-- (A Govt. of India Enterprise) Regd. Office: 17, Jamshedji Tata Road, Churchgate, Mumbai -400 020 Ref.: Co.Secy./RKS/376/2026 October 14, 2026 BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai – 400 001 Scrip Code: 500104 National Stock Exchange of India Limited Sub.: Conference Call Exchange Plaza, 5th Floor, Plot No. C/1, G-Block, Bandra-Kurla Complex, Bandra East, Mumbai – 400 051 Scrip Name: HINDPETRO Dear Sirs, In continuance to our letter Ref.: Co.Secy./RKS/373/2026 dated October 12, 2026 intimating the details of Conference Call scheduled on Friday, October 23, 2026, we are attaching herewith the updated Conference Call invite for Conference Call as detailed below. Day, Date & Time Particulars Type of Meeting Friday, October 23, 2026 at To Discuss 2QFY27 earnings with Senior Conference Call 11:00 a.m. (IST) Management Team This is for your information and records. Thanking you, Very truly yours, Rakesh Kumar Singh Company Secretary Encl.: As above 17, ~~~ cR:T m, ~ - 400 020 I ~'lf11Sr: 2286 3900 17, Jamshedji Tata Road, Churchgate, Mumbai -400 020 I Phone: 2286 3900 email : corphqo@hpcl.in I website: www.hindustanpetroleum.com I CIN : L23201MH1952GOI008858 ~l I T INH VE E STMENT ~ TRUST ANTIQUE' OF' INDIA Antique Stock Broking Limited invites you to a Conference Call to discuss 2QFY27 earnings of Hindustan Petroleum Corporation Limited on Friday, 23rd October 2026 at 11:00 a.m. (IST) Senior Management team from HPCL Mr. Vikas Kaushal – Chairman & Managing Director Mrs. Srividya Venkataraman – Director Finance Mr. S Bharathan – Director Refineries Mr. K Vinod – Executive Director, Corporate Finance Dial in details Universal Access: +91 22 6280 1342 +91 22 7115 8243 International Toll Free Numbers: Argentina : 0080014243444 Japan : 00531161110 Australia : 0080014243444 Netherlands : 08000229808 Belgium : 0080014243444 Poland : 008001124248 Canada : 01180014243444 Singapore : 8001012045 China : 4008428405 South Korea : 00180014243444 France : 0800914745 Sweden : 0080014243444 Germany : 0080014243444 Thailand : 00180014243444 Hong Kong : 800964448 UK : 08081011573 Italy : 0080014243444 USA : 18667462133 Or click below to Join the Diamond Pass call: Click here to register For any enquiries regarding the conference call, contact: Mr. Varatharajan Sivasankaran Antique Stock Broking Limited Tel. No: +91 22 6911 3425 Email: varatharajan.s@antiquelimited.com