unaudited quarterly financial results for the quarter ended 30.06.2026

Date: 04.08.2026 The Secretary, BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street Mumbai- 400 001 Ref: Scrip Code- 533608 Dear Sir/ Madam, Sub: Intimation of Board Meeting for considering the Un-audited Financial Results for the quarter ended 30th June, 2026 This is to inform you that pursuant to Regulation 29(1)(a) of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, a meeting of the Board of Directors of the Company will be held on Thursday, 13th August, 2026 inter-alia for the following purpose:- 1. To consider and approve the Standalone un-audited quarterly Financial Results of the Company for the quarter ended 30th June, 2026 as per SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015; Further, as intimated vide our letter dated 10th June, 2026 and in accordance with the Company’s Code of Conduct for Prohibition of Insider Trading and the SEBI (Prohibition of Insider Trading) Regulations, 2015, the Trading Window is already closed from 1st June 2026 and shall remain closed till the completion of 48 hours after the announcement of unaudited financial results for the quarter ended 30th June, 2026. This is for your information and record. Thanking You, Yours faithfully, For RDB Rasayans Limited Shradha Dalmia Company Secretary cum Compliance Officer Mem No. A47417 Works: 126, Basudevpur, HPL Link Road, P.0.-Khanjanchak, Haldia-721602, Purba Medinipur, West Bengal, India Phone: +91-3224 277088/278108 Fax: +91-3224 277340 • E-mail: rdbhaldia@sancharnet.in Website: www.rdbgroup.in ClN- L36999WB1995PLC074860