Submission of Certificate under Regulation 74(5) of SEBI (DP) Regulations, 2018 for the Quarter ended September 30, 2026.

Date: October 06, 2026 BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai-400 001 Scrip Code: 537326 Respected Sir/Madam, Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulation, 2018 We hereby enclose the confirmation certificate under Regulation 74(5) of the Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 received from Bigshare Services Private Limited, Registrar and Transfer Agent of the Company for Quarter, ended September 30, 2026. You are requested to take the certificate on record. Thanking You, FOR CHEMTECH INDUSTRIAL VALVES LIMITED AAROHI PAREEK COMPANY SECRETARY AND COMPLIANCE OFFICER Encl.: As above TMBigshare Services Pvt. Ltd. Ref No. BSS/Reg 74(5)-02610 Date: 06/10/2026 Chemtech Industrial Valves Limited INE212P01011 503 Sunrise Business Park, Plot No B-16 Road No 16, Kishan Nagar -2 Wagle Industrial Estate, Thane (W), maharastra. PIN -400604 Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarterended 30thSeptember2026 DearSir/Madam, With reference to the captioned regulation, we hereby confirm that the said Regulation is not applicable to the Company, as the entire holding of the Company’s shares are in demat form, and we have not received any request from any members of the Company for rematerialisation during the quarter ended on 30thSeptember 2026. We request you to kindly take note of the above in your records. Thanking you, Yours faithfully, For Bigshare Services Pvt. Ltd., Sandeep More Authorised Signatory CIN : U99999MH1994PTC076534 OfficeNoS6-2,6thFloor,PinnacleBusinessPark,NexttoAhuraCentre,MahakaliCavesRoad,Andheri(East)Mumbai-400 093. Tel.:+912262638200•Fax:+912262638299•Email:info@bigshareonline.com •Website :www.bigshareonline.com