Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended September 30, 2026.

GUJARAT PETROSYNTHESE LIMITED Reg. Off: No.24, II Main, I Phase, Doddanekkundi Industrial Area, Mahadevapura Post, Bengaluru-560 048. Ph: 91 – 80 - 28524133 E-mail: info@gpl.in, Website: www.gpl.in CIN No. L23209KA1977PLC043357 Date: October 15, 2026 BSE Limited, 1st Floor, Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai-400001 Scrip Code: 506858 Subject: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended September 30, 2026. Dear Sir/Madam, In accordance with Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018, for the quarter ended September 30, 2026, based on the certificate received from Bigshare Services Private Limited (RTA), which is enclosed herewith, we hereby confirm that within 15 days of receipt of the securities received for dematerialization: a) The securities comprised in the said Certificate(s) of Security have been listed on the Stock Exchanges; and b) The said Certificate(s) after due verification have been mutilated and cancelled and the name of the depository has been substituted in our records as the registered owner. Kindly take the same on your records. Thanking you, For GUJARAT PETROSYNTHESE LIMITED Urmi N. Prasad Joint Managing Director DIN: 00319482 Place: Hyderabad Enclosure: Certificate received from Bigshare Services Private Limited Copy to: National Securities Depository Limited Central Depository Services (India) Limited Address: Trade World 4 Floor, Kamala Mills Address: Phiroze Jeejeebhoy Towers, 28 th th Compound, Lower Parel, Mumbai 400013 Floor, Dalal Street, Mumbai – 400023 Maharashtra Maharashtra Bigshare Services Pvt. Ltd. Date: 13/10/2026 GUJARAT PETROSYNTHESE LIMITED 24, 11 main, Doddanekkundi Industrial Area, Phase 1, Mahadevapura, Bengaluru, Karnataka, 560048 Dear Sir/Madam, Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended September 30, 2026. In reference to the above captioned regulation, we hereby confirm that the securities received from the depository Participants for dematerialization up to September 30, 2026 were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchange where the earlier issued securities are listed. We hereby confirm that the security certificates received for dematerialization have been mutilated & cancelled after due verification by the depository Participant and the name of the depositories have been substituted in register of members as registered owner within 15 days of receipt of certificate of securities. Thanking you, Yours faithfully, For Bigshare Services Pvt Ltd. Sandeep More Authorized Signatory CIN : U99999MH1994PTC076534 Regd. Office: Office No S6-2, 6th Floor, Pinnacle Business Park, Next to Ahura Centre, Mahakali Caves Road, Andheri (East) Mumbai - 400 093. Tel. : +9122 6263 8200 • Fax : +9122 6263 8299 • Email : info@bigshareonline.com • Website : www.bigshareonline.com