Letter to Shareholders in accordance with Regulation 36(1)(b) of SEBI (LODR) Regulations, 2015.

ONESOURCE INDUSTRIES AND VENTURES LIMITED (Formerly Known as Onesource Ideas Venture Limited) CIN: L46201MP1994PLC076682 Date: 09th September, 2026 The Listing Department, The BSE Limited Phiroz Jeejeeboy Tower, Dalal Street, Mumbai-400023 BSE Script Code: 530805 Dear Sir, Sub: Intimation under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”) Pursuant to Regulations 30 of the SEBI Listing Regulation, we wish to inform you that in compliance with Regulation 36(1)(b) of the SEBI Listing Regulations, For, ONESOURCE INDUSTRIES AND VENTURES LIMITED (Formerly Known as Onesource Ideas Venture Limited) ('the Company') has dispatched letters to those Shareholders whose e-mail addresses are not registered with Company/Registrar & Transfer Agent/Depository Participants, providing the weblink of Company’s website from where the Annual Report for FY 2025- 26 can be accessed. You are requested to kindly take the same on your record. 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 Encl: As above Registered Office Address: 2nd floor, 234, M.P. Nagar Zone-1, Bhopal, Madhya Pradesh, India, 462011 Email Id: cs@osivl.com Contact No: +91 62321 19251 Website: www.osivl.com PURVA SHAREGISTRY (I) PVT.LTD. (SEBI Regn. INR000001112 Category 1 Registrars to IPO & Share Transfer Agents) GST No. 27AAACP4924D1ZO • CIN No. U67120MH1993PTC074079 TO WHOMSOVER IT MAY CONCERN This is to confirm that letters providing web-link for Annual Report 2025-26 vide Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) (Third Amendment) Regulations, 2024 dated December 12, 2024 has been sent to the shareholders as per the below mentioned details in respect of M/s ONESOURCE INDUSTRIES AND VENTURES LIMITED: No. of shareholders Mode of dispatch Date of completion of dispatch 2326 Ordinary Post 07/09/2026 For Purva Sharegistry (India) Pvt. Ltd. Deepali Gaonkar Place: Mumbai (Compliance Officer) Date: 07/09/2026 9 Shiv Shakti Industrial Estate, J. R. Boricha Marg, Lower Parel East, Mumbai - 400 011 Tel : 022 4961 4132 / 3199 8810 • Email : support@purvashare.com • Web : www.purvashare.com