Certificate under reg. 74(5) of SEBI (DP) regulations, 2018 for the period ended on September 30, 2026

Date: October 09, 2026 To, To, BSE Limited, National Stock Exchange of India Ltd., Phiroze Jeejeebhoy Towers, Exchange Plaza, Plot No. C/1, G Block, Dalal Street, Bandra-Kurla Complex, Bandra (East), Mumbai 400 001 Mumbai 400 051 Scrip Code: 503162 Trading Symbol: RELCHEMQ Dear Sir/Madam, Sub.: Certificate under Regulation 74(5) of the Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 for the quarter ended September 30, 2026 We submit herewith the confirmation certificate received from M/s. Bigshare Services Pvt. Ltd., Registrar and Share Transfer Agent of the Company as per Regulation 74(5) of the Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 for the quarter ended September 30, 2026. You are requested to take the same on your records. Thanking you Yours Faithfully, For Reliance Chemotex Industries Ltd. Chandrasekaran Rajagopalan CFO cum Company Secretary & Compliance Officer Membership No.: A12420 Encl: as above Registered Office & Manufacturing Unit: Village Kanpur, Post Box No. 73, Udaipur 313003, Rajasthan, India Phone: +91 294 2491489 / 90 Fax: +91 294 2490067 Email: udaipur@reliancechemotex.com CIN: L40102RJ1977PLC001994 www.reliancechemotex.com Ref No. BSS/74(5) Date: 08/10/2026 The Compliance Officer/ Company Secretary RELIANCE CHEMOTEX INDUSTRIES LTD VILLAGE KANPUR UDAIPUR RAJASTHAN UDAIPUR PIN 313003 Dear Sir/Madam, Sub: Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended 30th September 2026. In reference to the above captioned regulation we hereby confirm that the securities received from the depository Participants for dematerialization up to 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 exchange where the earlier issued securities are listed. We hereby confirm that the security certificates received for dematerialization have been mutilated & cancelled after due verification by the depository Participant and the name of the depositories have been substituted in register of members as registered owner within 15 days of receipt of certificate of securities. 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