Book Closure for the 48th Annual General Meeting

Date: August 11th, 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.: - Book Closure, Record Date and Cut-off date in respect to the 48Th Annual General Meeting Pursuant to Regulation 30 and other applicable Regulations of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, the Board of Directors of Reliance Chemotex Industries Ltd. ('the Company') at their meeting held today i.e. Tuesday, August 11, 2026, inter alia transacted the following items of business: 1. Approved the Closure of Register of Members and Share Transfer Books of the Company from September 18, 2026 to September 24, 2026 (both days inclusive) for the purposes of holding 48th Annual General Meeting (AGM). 2. Approved the Record Date for the purposes of holding 48th AGM and payment of Dividend for the financial year ended March 31, 2026, shall be September 18, 2026 3. Finalization of the cut-off date i.e. September 18, 2026 and remote e-voting period will commence at 09:00 AM. (IST) on September 21, 2026, and end at 5.00 P.M. (IST) on September 23, 2026 for the 48th AGM. Kindly take the above information on record. Thanking You, For Reliance Chemotex Industries Ltd. Chandrasekaran Rajagopalan CFO cum Company Secretary and Compliance Officer M.No.: A12420 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