Intimation of Closure Trading Window as per SEBI (Prohibition of Insider Trading) Regulations, 2015

Date: 20 August 2026 To To BSE Limited (‘BSE”) National Stock Exchange of India Ltd Listing Department Exchange Plaza, Corporate Relationship Department B a n d r a - Kurla Complex, Bandra (E), Mumbai 400 051 Phiroze Jeejeebhoy Towers, Symbol: MOLBIO 2nd Floor, Dalal Street, Mumbai – 400 001 BSE Script Code: 544866 Subject: Intimation of Closure of Trading Window as per SEBI (Prohibition of Insider Trading) Regulations, 2015. Dear Sir/Madam, This is to inform you that pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015 as amended from time to time and pursuant to the Company's Code of Conduct to Regulate, Monitor and Report Trading by Designated Persons, the Trading Window for dealing in the securities of the Company will remain closed for all Insiders / Designated Persons and their immediate relatives from 21st August 2026 till 48 (Forty Eight) hours after the declaration of the unaudited financial results by the Company for the quarter ended on June 30, 2026 (“said results”). The date of Board Meeting of the Company for consideration and declaration of the said results will be intimated in due course. You are requested to kindly take the same on record. Thanking You. Yours Faithfully, For Molbio Diagnostics Limited Darshan Raghunath Karekar Company Secretary & Compliance Officer M. No: F13569 Place: Verna-Goa