Certificate under Reg 74(5) of SEBI (DP) Regulations, 2018

POLYCHEM LIMITED CIN: L24100MH1955PLC009663 REGD. OFFICE: 7. JAMSHEDJI TATA ROAD. CHURCHGATE RECLAMATION. MUMBAI-400 020 Ph: 022 - 2282 0048, E-mail: polychemltd@kilachand.com , Website: www.polychemltd.com Date: 08.10.2026 Head Listing Compliance Bombay Stock Exchange Ltd. Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai - 400 001 Company Code – 506605 Dear Sir/Ma'am, Sub: Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) regulations, 2018 for the quarter ended 30th September, 2026 We herewith enclose a certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 for the Quarter ended 30th September, 2026 received from M/s. MUFG Intime India Private limited, Registrar and Share Transfer Agent of our company. Kindly acknowledge the receipt. Thanking You Yours faithfully, For Polychem Limited (Deepali V Chauhan) Company Secretary & Compliance Officer Mem No. A38273 MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) CIN: U67190MH1999PTC118368 Registered Address: C-101, Embassy 247, L.B.S. Marg, Vikhroli (West), Mumbai – 400083. Tel: +91 22 4918 6000 www.in.mpms.mufg.com 7 October 2026 To, The Compliance Officer/ Company Secretary POLYCHEM LIMITED ORIENTAL HOUSE, 5TH FLOOR 7 JAMSHEDJI TATA ROAD CHURCHGATE RECLAMATION MUMBAI PINCODE : 400020 Dear Sir, Subject: Confirmation Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. In reference to the above captioned regulation, we hereby confirm that the securities received from the depository participants for dematerialisation during the quarter ended 30th 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 confirmed/rejected and the security certificates received were mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in the register of members as the registered owner within the prescribed timelines. We request you to kindly take note of the above in your records. Thanking You, Yours faithfully, For MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) Ashok Shetty Sr. Vice President – Corporate Registry MUFG Intime India Private Limited A part of MUFG Corporate Markets, a division of MUFG Pension & Market Services