Closure of Trading window

SAMSRITA LABS LIMITED To, Date: 25.09.2026 Metropolitan Stock Exchange of India Limited BSE Limited Vibgyar Towers, 4th Floor, Plot No. C62, Opp: Trident Hotel, Bandra Kurla Complex, Bandra (E), P.J. Towers, Dalal Street Mumbai — 400098 Mumbai- 400001 MSEI Symbol - SAMSRITA (BSE Scrip Code: 539267) Dear Sir/Madam, Sub: Closure of Trading Window under SEBI (Prohibition of Insider Trading) Regulations, 2015. Unit: Samsrita Labs Limited ‘With reference to the subject cited and pursuant to the Company’s Code of Conduct for Prevention of Insider Trading adopted by the Company under SEBI (Prohibition of Insider Trading) Regulations, 2015 the trading window for dealing in the securities of the Company will remain closed from 01.10.2026 till 48 hours after the declaration of standalone and Consolidated un-audited Financial Results for the Quarter and half year ending 30.09.2026 for all designated persons, their immediate relatives and all connected persons covered under the Company’s Code of Conduct. The Board Meeting will be scheduled, inter-alia, to consider and approve the un-audited Financial Results for the quarter and half year ending 30 September, 2026. Accordingly, an intimation regarding the notice of Board Meeting shall be sent separately to the Stock Exchanges. Further, the designated persons have been intimated not to trade in the securities of the Company during the above said period of closure of trading window. This is for the information and records of the Exchanges, please. Thanking you. Yours sincerely, For Samsrita Labs Limited . Digitally signed by Maddukuri Maddukuri Gita Usha Rani Gii ta Usha Rani+ YDateo: 20 26.09.25 10:30:47 M. Gita usha Rani Company Secretary & Compliance Officer 0. A65602 Regd.Off & Corp Off: 6-3-354/13/B2, Suryateja Apartments, Hindinagar, Punjagutta, Hyderabad.500082. L85110TG1996PLC099198, Email id + info@drhlsl.com, pcproductsindia@gmail.com, cs@drhlsl.com Contact N0.9490424639, Website: www.drhlsl.com