Please refer the attached intimation.

October 12, 2026 Listing Compliance Department BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Fort Mumbai — 400 001. REF: SCRIP CODE: 500422 ISIN: INE019B01010 Dear Sir/Madam, Sub.: Certificate under Regulation 74(5) of the Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 for the quarter ended September 30, 2026 Pursuant to Regulation 74(5) of the Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018, we enclose herewith copy of the certificate received from MUFG Intime India Private Limited (Formerly known as Link Intime India Private Limited), Registrar to an Issue and Share Transfer Agent of the Company, for the quarter ended September 30, 2026. Request you to kindly take the above information on your records. Thanking you, Yours faithfully, For Transchem Limited Neeraja Karandikar Company Secretary ACS – 10130 Encl: a/a CIN: L66120MH1976PLC019327 Registered Office: 111, Maker Chambers IV, 11th Floor, Nariman Point, Mumbai - 400021 Tel.: +91 22 43347000 Fax: + 91 22 43347002 E-mail: secretary@transchem.net Website: www.transchem.net (e) MUFG MUFG Intime India Pvt. Ltd. CIN : U67190MH1999PTC118368 C-101, 247 Park, L.B.S. Marg, Vikhroli (West), Mumbai - 400 083 Phone: +91 22 4918 6000 Fax: +91 22 4918 6060 Email: Investor.Helpdesk@in.mpms.mufg.com Website: www.in.mpms.mufg.com To, Date: 09.10.2026 The Compliance Officer/ Company Secretary TRANSCHEM LIMITED MAKER CHAMBERS IV 11TH FLOOR, NARIMAN POINT MUMBAI MUMBAI PINCODE : 400021 Sub: Confirmation Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. Dear Sir/Madam, In reference to the above captioned regulation, we hereby confirm that the securities received from the depository participants for dematerialisation during the quarter ended 30‘ 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 Pvt. Ltd (Formerly Known as Link Intime India Pvt. Ltd.) Ashok Shetty Vice President-Corporate Registry Apart of MUFG Corporate Markets, a division of MUFG Pension & Market Services