Intimation of trading window closure for the first quarter ending 30th June 2026 - Details enclosed.

22nd June 2026 Corporate Relationship Department BSE Limited Phiroze Jeejeebhoy Towers, 25th Floor, Dalal Street, Fort, Mumbai - 400001, Maharashtra Dear Sir / Madam, Sub: Intimation - “Closure of trading window”- reg. We wish to inform that, in Compliance with the “Tata Code of Conduct for prevention of Insider Trading and Code of Corporate Disclosure Practices” (the Code), and SEBI (Prohibition of Insider Trading) Regulations, 2015, the Trading Window for dealing in securities of the Company will be closed for all the “Designates” and “Insiders” from 23rd June 2026 till 48 hours after the public announcement of the Un-audited Financial Results of the Company for the first quarter ending on 30th June 2026. All the Directors / other designated people and their relatives are being advised not to trade in the securities of the Company during the aforesaid period. This is for your information and records. For Artson Limited (Formerly Artson Engineering Limited) Sd/- Deepak Tibrewal Company Secretary & Compliance Officer (FCS 8925) Registered Office: Corporate Office: 14th Floor, Cignus, Plot No. 71A, Ground Floor, Mithona Towers-1, Kailash Nagar, Mayur Nagar Passpoli, 1-7-80 to 87, Prenderghast Road, Powai, Mumbai - 400087, Maharashtra, India. Secunderabad - 500003, Telangana, India. Tel: +91 22 66255600 Tel: +91 40 66018175