We submit herewith disclosure of Grant of Stock Options under DACL - Employee Stock Option Plan 2021 (ESOP - 2021).

August 04, 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: Grant of stock options under DACL- Employee Stock Option Plan 2021 (ESOP – 2021) Ref: Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ('SEBI LODR') Respected Sir / Ma’am, Pursuant to the applicable provisions of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 ('SEBI LODR'), we wish to inform that the Nomination and Remuneration Committee of the Company, at their meeting held on August 04, 2026 has inter alia approved grant of 3000 Stock Options to the eligible Employee of the Company under the ESOP-2021. Disclosure as required under Regulation 30 of SEBI LODR read with SEBI Circular No. SEBI/HO/CFD/CFD-PoD-1/P/CIR/2023/123 dated July 13, 2023 is enclosed as Annexure A. Kindly take the above-mentioned information on records. 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 Annexure -A Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 as amended: Options to purchase securities (including any Share Based Employee Benefit (SBEB) and Sweat Equity Scheme) at the time of instituting the scheme and vesting or exercise of options: Sr. Particulars Responses 1. brief details of options granted 3000 ESOPs granted by the Nomination and Remuneration Committee to the eligible employee of the Company under DACL - Employee Stock Option Plan 2021 (ESOP – 2021) 2. whether the scheme is in terms DACL - Employee Stock Option Plan 2021 (ESOP – of SEBI (SBEB) Regulations, 2021) is formulated and approved by the Shareholders 2014 (if applicable) of the Company on July 20, 2021 pursuant to the provisions of the SEBI (Share Based Employee Benefits) Regulations, 2014 which were replaced by SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021 ('SEBI SBEBSE'). ESOP 2021 was updated/amended with statutory amendments based on SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021 ('SEBI SBEBSE') by the Nomination and Remuneration Committee and the Board held on May 11, 2022. 3. total number of shares covered 3000 equity shares of ` 10 each of the Company. Each by these options stock option carries the right to apply for and be allotted 1 (one) equity share of face value of ` 10 each of the Company. 4. pricing formula;/Exercise Exercise price for eligible employee is based on his Price appointment terms for the Company: - Shares granted on Face Value of the Share at ` 10/- - Shares granted at 50% of Market Price (i.e. closing price of previous trading day from grant day) 5. Options vested; / Vesting 100% of the options granted shall vest on completion of Schedule Three years from the date of grant for an employee to whom it has been granted as a joining bonus or incentive; 6. time within which option may The exercise period shall be a maximum of five years be exercised from the date of respective vesting of Options 7. options exercised 750 shares 8. money realized by exercise of ` 7500 options; 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 9. the total number of shares 750 shares exercised (currently, total 10053392 shares arising as a result of exercise of after exercise of options) option 10. options lapsed 9643 shares 11. variation of terms of options - 12. brief details of significant The total number of Options to be granted under the terms ESOP Plan shall not exceed 2,00,000 (Two lakhs Only). Each Option when exercised would be converted in to 1 (one) equity share of face value of ` 10/- (Rupees Ten) each fully paid-up i.e. the total of 2,00,000 Equity Shares representing 2% of the total paid up share capital of the Company. Out of the maximum 2,00,000 Options to be granted under the ESOP Plan, the NRC has granted 3000 Options in the 8th tranche to eligible Employee of the Company of the total paid up Share capital of the Company. 13. subsequent changes or 750 options were exercised, and 9643 options were cancellation or exercise of such lapsed out of all total grants options 14. diluted earnings per share The above 3000 Options granted are yet to be exercised pursuant to issue of equity shares on exercise of options 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