We submit herewith disclosure of Consent to Establish received for DACL Fine Chem Limited, Wholly Owned Subsidiary of the Company.

October 16, 2026 BSE Limited National Stock Exchange of India Limited 25, P. J. Towers, Exchange Plaza, C-1, Block G, Dalal Street, Bandra — Kurla Complex, Bandra (E) Mumbai – 400 001 Mumbai — 400 051 Scrip Code: 500120 Symbol: DIAMINESQ Sub: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 as amended Respected Sir / Ma’am, This is to inform that DACL Fine Chem Limited, a wholly owned subsidiary of the Company, has received Consent to Establish (CTE) Order No. 469/APPCB/CTE/RO-KKD/HO/2026 from the Andhra Pradesh Pollution Control Board (APPCB) on October 15, 2026, for the proposed plant for Specialty Amines and Chemicals at the unit of M/s. DACL Fine Chem Limited, at Sy. Nos. 87, 88, 89, 91, and 92 to 102, Thondandi (V & M), Kakinada District, Andhra Pradesh. In respect of the above, additional disclosures as required under SEBI Circular No. SEBI/HO/CFD/CFD-PoD-1/P/CIR/2023/123 dated July 13, 2023, for Granting, withdrawal, surrender, cancellation or suspension of key licenses or regulatory approvals are provided at “Annexure A". Kindly put the above-mentioned information on record. Thank you, Yours faithfully, For Diamines and Chemicals Limited Hemaxi Pawar Company Secretary Membership No.: A52581 Encl: As above Diamines and Chemicals Limited (CIN No. L24110GJ1976PLC002905) Plot No. 13, P.C.C. Area, P.O. Petrochemicals, Dist. Vadodara 391346, Gujarat (India). T: +91 265 3534200, F: +91 265 2230218 E: info@dacl.co.in, W:dacl.co.in Annexure – A Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 as amended: Granting, withdrawal, surrender, cancellation or suspension of key licenses or regulatory approvals Sr. Particulars Responses 1. N ame of the regulatory or licensing Andhra Pradesh Pollution Control Board authority (APPCB) 2. B rief details of the approval/license Consent to Establish (CTE) for setting up the obtained/withdrawn/surrendered proposed plant for Specialty Amines and Chemicals at the unit of M/s. DACL Fine Chem Limited, a wholly owned subsidiary of the Company, at Sy. No. 87, 88, 89, 91 and 92 to 102, Thondandi (V & M), Kakinada District, Andhra Pradesh. 3. I mpact/relevance of such CTE is the primary permission to establish a approval/license to the listed entity manufacturing unit for new products and will contribute to the start-up of the production facility. 4. W ithdrawal/cancellation or NA suspension of licence/approval by the regulatory or licensing authority, with reasons for such action, estimated impact (monetary or otherwise) on the listed entity and penalty, if any; 5. P eriod for which such approval/license 07 years up to 14/10/2033 is/was valid 6. S ubsequently, the listed entity shall NA inform the stock exchange(s) of the actual impact (monetary or otherwise), along with corrective actions taken by the listed entity pursuant to the withdrawal, cancellation or suspension of the key license/ approval. Diamines and Chemicals Limited (CIN No. L24110GJ1976PLC002905) Plot No. 13, P.C.C. Area, P.O. Petrochemicals, Dist. Vadodara 391346, Gujarat (India). T: +91 265 3534200, F: +91 265 2230218 E: info@dacl.co.in, W:dacl.co.in