Certificate under SEBI (Depositories and Participants) Regulations, 2018

fJ Kothari Petrochemicals Limited Kot hari Regd. Off: “Kothari Buildings”, No. 115 Mahatma Gandhi Salai, Nungambakkam, Chennai - 600 034. PETROCHE MICALS LTD Phone: 044 - 35225527 / 5528. www.kotharipetrochemicals.com G R O U P Oct 14, 2026 Listing Department National Stock Exchange of India Ltd. Exchange Plaza Bandra - Kurla Complex Bandra [E], Mumbai - 400 051 Dear Sirs, Stock Code - KOTHARIPET Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30th September 2026. Pursuant to the provisions of Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018, please find enclosed the copy of certificate dated 05th October 2026 received from M/s. Cameo Corporate Services Limited, the Registrar and Share Transfer Agent of the Company for the quarter ended 30th September 2026. Kindly acknowledge and take the above in your records. Thanking You, Yours faithfully for Kothari Petrochemicals Limited K. Priya Company Secretary & Compliance Officer Encl: Certificate from Cameo Corporate Services Limited, RTA Plant : CIN : L11101TN1989PLC017347 TIN No. : 33523881406 1/2-B 33/5, Sathangadu Vilage, Manali, Chennai – 600 068, India, Phone +91 44 25941308 / 309, Fax +91 44 25941524 CST No. 217771 dt. 20·12·1999 GSTIN : 33AAACK1347H1ZX CAN1EO CAMEO CORPORATE SERVICES LIMITED REF: CAM/KPC/2026 October 05, 2026 National Stock Exchange of India Ltd., Exchange Plaza 5th Floor, Flat No. C/1, 'G' Block, Kurla Complex, Bandra (E), Mumbai-400 051. Dear Sir, Sub: Confirmation Certificate under regulation-74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 With reference to the above-captioned regulation, we hereby confirm that the securities receivecl from the depository participants for dematerialization during the quarter ended 30th day of September 2026, were confirmed (accepted /rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchanges where the earlier issued securities are listed We hereby also confirm that the security certificates received for dematerialisation have been mutilated and cancelled after due verification by the Depository Participant.and the name of the depositories have been substituted in Register of Members as the registered owner within 15 days. We request_y ou to kindly take note of the above in your records. Thanking You, Yours faithfully for CAMEO CORPORATE SERVICES LTD ,.l t\ M~AGER (SHARES) Cc to : Mis. Kothari Petrochemicals Limited Kothari Buildings No 115 Mahatma Gandhi Salai Nungambakkam Chennai-600034 "Subramanian Building", 1, Club House Road, Chennai -600 002. Ph : 28460390 (5 Lines), 40020700 Online Investor Portal : https://wisdom.cameoindia.com, Website: www.cameoindia.com CIN No.: U67120TN1998PLC041613