Certificate under Reg 74(5) of SEBI(DP) Regulations for quarter ened 30th September, 2026

CHD CHEMICALS LIMITED CIN NO L24232CH2012PLC034188 Reg Office:PLOT NO 45, INDUSTRIAL AREA, PHASE 1, CHANDIGARH Corp Office: Plot NO 331, Industrial Area, Phase II, Panchkula-134113 14-10-2026 Listing department BSE LIMITED P.J. Towers, Dalal street Fort, Mumbai 400001 Scrip Code: 539800 Subject: Certificate - Regulation 74(5) of SEBI (Depository and Participants) Regulations, 2018 for Quarter ended 30th September, 2026 Dear Sir/Madam This is to certify that the details of securities dematerialized/rematerialized during the Quarter ended 30thSeptember, 2026 as required under Regulation 74 (5) of SEBI (Depository and Participants) Regulations, 2018 have been furnished to all the stock exchanges where the shares of the Company are listed. The letter confirming this from our Registrar and Share Transfer Agent i.e. M/s Cameo Corporate Services Limited is enclosed for your reference. Please take the above on record and acknowledge receipt of the same. Thanking You For CHD CHEMICALS LIMITED MAHTAB SINGH Director CAMEO CORPORATE SERVICES LIMITED Ref: CAM/CCL/74(5)/Q4/2026 8th October, 2026 THE COMPANY SECRETARY M/S. CHD CHEMICALS LTD PLOT NO 45 FIRST FLOOR INDUSTRIAL AREA PHASE 1 CHANDIGARH 160002 Dear Sir Subject: Certificate under of Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 for the quarter ended 30.09.2026. ------ With reference to the above captioned subject, 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 mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in register of members as the registered owner within stipulated time limit under captioned regulations. Thanking you Yours faithfully For CAMEO CORPORATE SERVICES LIMITED ASST. MANAGER (SHARES) CIN No:U67120TN1998PLC041613 'Subramanian Building', No.1, Club House Road, Chennai-600 002. Phone: (D) 044-40020710 / 044-2846 0390, Fax: 044-2846 0129 E-mail: cameo@cameoindia.com Website: www.cameoindia.com