Intimation for Closure of Trading Window.

Date: 25th September, 2026 BSE Limited Corporate Relationship Department Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai- 400 001 Scrip Code: 544409 ISIN: INE0TG901011 Subject: Intimation regarding Closure of Trading Window and Freezing of PAN of Designated Persons pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015 Dear Sir/Ma’am, (A). Closure of Trading Window We wish to inform you that, pursuant to the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended from time to time, including Clause 4 of Schedule B read with Regulation 9 thereof, and SEBI Circular No. SEBI/HO/ISD/ISD-PoD-2/P/CIR/2025/55 dated April 21, 2025, the Trading Window for dealing in the securities of Astonea Labs Limited (Scrip Code: 544409) shall remain closed for all Designated Persons, including Directors, Officers, Designated Employees, and their Immediate Relatives. Accordingly, the Trading Window shall remain closed with effect from Thursday, October 1, 2026 until 48 hours after the declaration of the Unaudited Financial Results (Standalone & Consolidated) of the Company for the half-year ending September 30, 2026. (B). Freezing of PAN of Designated Persons at Security Level (INE0TG901011) Pursuant to SEBI Circular No. SEBI/HO/ISD/ISD-PoD-2/P/CIR/2023/124 dated July 19, 2023, read with SEBI Circular No. SEBI/HO/ISD/ISD-PoD-2/P/CIR/2025/55 dated April 21, 2025, the Company has duly updated the requisite details on the NSDL portal for restricting trading by the Designated Persons (“DPs”) and their Immediate Relatives through freezing of their Permanent Account Numbers (“PANs”) at the security level, i.e., ISIN: INE0TG901011. The date of the Board Meeting for considering and approving the aforesaid financial results will be communicated in due course in accordance with the applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. This intimation is being uploaded on the website of the Company at https://astonea.org/trading-window- closure alternatively, it may be accessed at https://astonea.org/. GSTIN NO.: 06AAPCA4446E1ZP I CIN: L24304CH2017PLC041482 (Formely known as Astonea Labs Private Limited) Reg.Off: SCO 321-322, Basement, Sector 35B, Chandigarh, India-160022 Corporate Office: 63, Industrial Area, Phase II, Panchkula, Haryana, India-134113 Plant: Village Haripur, Teh. Raipur Rani, Distt., Panchkula, India-134204 Mobile No.:+91 7888 491 385, Email: info@astonea.org, Website: www.astonea.org We respectfully request that the Exchange be pleased to take cognizance of the aforesaid submission for its information and records. Thanking you. Yours faithfully, For ASTONEA LABS LIMITED ANKIT KAPOOR COMPANY SECRETARY & COMPLIANCE OFFICER M.NO. A75702 GSTIN NO.: 06AAPCA4446E1ZP I CIN: L24304CH2017PLC041482 (Formely known as Astonea Labs Private Limited) Reg.Off: SCO 321-322, Basement, Sector 35B, Chandigarh, India-160022 Corporate Office: 63, Industrial Area, Phase II, Panchkula, Haryana, India-134113 Plant: Village Haripur, Teh. Raipur Rani, Distt., Panchkula, India-134204 Mobile No.:+91 7888 491 385, Email: info@astonea.org, Website: www.astonea.org