Intimation of closure of Trading Window

ONESOURCE INDUSTRIES AND VENTURES LIMITED (Formerly Known as Onesource Ideas Venture Limited) CIN: L46201MP1994PLC076682 Registered Office Address: 35 Block-C Mansarovar Complex, 7 No Stop M Pnagar Mpsrtc Depo 7, M.P. Vidhan Sabha, Bhopal,Huzur, Madhya Pradesh, India- 462004 Email Id: cs@osivl.com Contact No: +91 62321 19251 Website: www.osivl.com Date: 23rd June, 2026 The BSE Limited 1st Floor, new trading wing, Rotunda Building Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai-400001 BSE Scrip Code: 530805 Subject: Intimation of Closure of Trading Window Dear Sir/Madam, Pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended, and in accordance with the Code of Internal Procedures and Conduct for Prohibition of Insider Trading in Dealing with the Securities of ONESOURCE INDUSTRIES AND VENTURES LIMITED it has been decided that, the Trading Window for dealing in the securities of the Company will remain closed for all Designated Persons, their immediate relatives and all connected persons from July 01, 2026 till 48 hours after the Un-audited financial results for quarter ending on June 30, 2026 is made public. The date of Board Meeting for approval and declaration of Standalone Un-audited Financial Results of the Company for the quarter ending on 30th June, 2026 will be intimated in due course. Accordingly, all the Designated Persons and their immediate relatives and other Insiders under the PIT Regulations are advised not to deal in the securities of the Company either directly or indirectly during the aforesaid trading window closure period. The same disclosure is also uploaded on the website of the Company i.e., www.osivl.com. Further, we are also submitting the above said information in XBRL mode (Excel Template provided by Exchange) along with the submission in PDF mode within the prescribed time. You are requested to take the above information on your records. Thanking you. Yours faithfully, For, ONESOURCE INDUSTRIES AND VENTURES LIMITED (Formerly Known as Onesource Ideas Venture Limited) CS NEHA RAVI PRAJAPATI Company Secretary and Compliance Officer M. No: A67093