We submit herewith copy of notices sent to shareholders, who have not claimed or encashed their for seven or more consecutive years.

October 29, 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. Notice to shareholders in respect of transfer of shares of the Company to the investor Education and Protection Fund (IEPF) Ref: Intimation under Regulation 30 of SEBI (listing Obligations & Disclosure Requirements) Regulations, 2015 Dear Sir/Ma’am, Pursuant to regulation 30 of the Securities and Exchange Board of India (Listing Obligation and Disclosure Requirements) Regulations, 2015, we wish to inform you that, pursuant to the provisions of Section 124(6) of the Companies Act, 2013 read with the Investor Education and Protection Fund Authority (Accounting, Auditing, Transfer and Refund) Rules, 2016, the Company has sent notices to the shareholders, who have not claimed / encashed their dividend for seven or more consecutive years. Copies of the notice sent to shareholders are attached herewith. Kindly take the same on record. Thanking 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 29th October, 2026 Dear Shareholder, By Speed Post. Ref: DP ID Client ID/ Folio No.: No. of shares held : Sub: Transfer of shares in respect of which dividend has not been claimed for seven consecutive years or more to Investor Education and Protection Fund We would like to inform you that pursuant to the provisions of Section 124(6) of the Companies Act, 2013 and the Investor Education and Protection Fund Authority (Accounting, Auditing, Transfer and Refund) Rules, 2016, shares on which dividend has not been encashed or claimed for seven consecutive years or more, are liable to be transferred to the Investor Education and Protection Fund (IEPF), a fund constituted by the Government of India under Section 125 of the Companies Act, 2013. It has been noticed that you have not encashed the dividend warrants/DDs for last seven consecutive years commencing from the unpaid Interim Dividend for the year 2019-2020 on the equity shares held by you. The details of dividend amount not claimed by you are as under: Dividend for the year Warrant no Amount (Rs) Dividend for the year Warrant no Amount (Rs) Interim Dividend 2019- Interim Dividend 2022-2023 2020 Final Dividend 2019-2020 Final Dividend 2022-2023 Final Dividend 2020-2021 Final Dividend 2023-2024 Final Dividend 2021-2022 Final Dividend 2024-2025 The unclaimed dividend(s) for periods prior to the year(s) mentioned above has already been transferred to the IEPF, as required under Section 124(5) of the said Act. The unclaimed shares and corresponding dividend thereon, which has been or will be transferred to IEPF Authority’s Account can be claimed back by the shareholders from IEPF Authority, by filing web form No. IEPF-5. To claim above unpaid dividend or in case you need any information/clarification, please write to or contact our Registrar and Share Transfer Agents (“RTA”), M/s. MUFG Intime India Private. Limited (Formerly known as Link intime India Private Limited) ., “Geetakunj”, 1, Bhakti Nagar Society, Behind ABS Tower, Old Padra Road, Vadodara – 390015, Tel : +91 265 3566768, E-mail Id: investor.helpdesk@in.mpms.mufg.com In case you are holding your shares in physical form and your KYC details are not yet registered i.e. PAN, Address with PIN code, Email Id, Mobile No., Bank Account details, Specimen Signature & Nomination then, please submit relevant Forms for registering/changing KYC details and Nomination viz., Forms ISR-1, ISR-2, ISR-3, SH-13 and SH-14. These forms are available on website of the Company at https://dacl.co.in/investors-relation/#1718694013646-9a9b0439-eedf and RTA at https://web.in.mpms.mufg.com/KYC-downloads.html Format for KYC. You are requested to claim unpaid dividend on or before 28/02/2027, failing which the above referred shares will be transferred to IEPF. Thanking you, Yours faithfully, For Diamines and Chemicals Limited Sd/- Hemaxi Pawar Company Secretary and Compliance Officer 140 Diamines And Chemicals Ltd ( CIN No. : L24110GJ1976PLC002905 ) Registered Office : Plot No 13, P.C.C Area, P.O. Petrochemicals, Dist. Vadodara, 391346 Gujarat (India) Tel. No. : +91 265 3534200, Fax : No. +91 265 2230218 Email : secretarial@dacl.co.in Website : www.dacl.co.in