Boston Bio Systems Ltd — Insider Trade, 24-06-2025: Insider Trading / SAST

Boston Bio Systems Limited

Registered office: A.828, Sun West Bank, Ashram Road, Ahmedabad-380009, Ashram

Road P.O, Ahmedabad, City Taluka, Gujarat, India, 380009

CIN: L31100GJ1995PLC025476; E-mail: bostonsystem@yahoo.com

Website: www.bostonbio.in

__________________________________________________________________________________

Date: 24th June, 2025

To

The General Manager,

Department of Corporate Services

BSE Limited,

Phirozen Jeejeebhoy Towers,

Dalal Street, Mumbai - 400001,

SCRIP CODE: 531458

BSE SYMBOL: BOSTONBIO

Subject: Intimation for Closure of Trading Window in terms of SEBI (Prohibition of Insider

Trading) Regulations, 2015

Dear Sir/Madam,

Pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended, and in

accordance with the Policy on Code of Conduct for Regulating, Monitoring & Reporting of

Trades and Prevention of Insider Trading of the Company, the trading window for dealing in

the securities/shares of “Boston Bio Systems Limited” will remain closed for Insiders,

Designated Persons and their immediate relatives with effect from Tuesday, 01st July, 2025

till the completion of 48 hours after the declaration of the Unaudited Standalone Financial

Results of the Company for the “Quarter ending 30th June, 2025”. The Company has intimated

its Designated Persons regarding the closure of the trading window.

Accordingly, Insiders, Designated Persons and their immediate relatives of the Company are

advised not to trade (buy or sell or pledge, etc.) in the securities/shares of the Company

during the aforesaid period of closure of the trading window.

The date of Board Meeting to consider the unaudited financial results for the quarter ending

30th June, 2025 will be intimated separately.

Kindly take the above information on your records.

Thanking You,

Yours Faithfully,

For Boston Bio Systems Limited

VISHNUBHAI MOHANBHAI DESAI

Managing Director

DIN: 10525956

Date: 24.06.2025

Place: Ahmedabad

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