Analysts/Institutional Investor Meet/Con. Call Updates

17. ul'lfl<Jl Gl?I m. ~ ~ 'i. • 11041, ~ • 400 020. ~ • 2286 3900, q\'iffi • 2287 2992 , $·lffl : corphqo@hpcl.in 17. Jamshedp Tata Road. P. 0. Box No. - 11041. Mumbai• 400 020. Tel.: 2286 3900, Fax : 2287 2992 • e-mail: corphqo@hpctu, CIN No.: l23201MH1952GOI008858 Ref.: Co.Secy./RKS/250/2026 July 16, 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, Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we give below the schedule of conference call. Day, Date & Time Particulars Type of Meeting Thursday, July 23, 2026 at To Discuss 1QFY27 earnings with Conference Call 10:00 a.m. (IST) Senior Management Team This is to further inform that no unpublished price sensitive information is proposed to be discussed during the Conference call. 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 ~l I T INH VE E STMENT ~ TRUST ANTIQUE' OF' INDIA Antique Stock Broking Limited invites you to a Conference Call to discuss 1QFY27 earnings of Hindustan Petroleum Corporation Limited on Thursday, 23rd July 2026 at 10:00 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