Certificate under Regulation 74(5) of SEBI (Depository and Participants) Regulations, 2018 for the quarter ended on September 30, 2026.

Date: 08th October, 2026 The BSE Limited 1st Floor, New Trading Wing, Rotunda Building Phiroze Jeejeebhoy Towers, Dalal Street, /Fort Mumbai – 400001 Scrip Code: 530805 Subject: Certificate under Regulation 74(5) of SEBI (Depository and Participants) Regulations, 2018 for the quarter ended on September 30, 2026. Dear Sir/Madam, We herewith enclose a Certificate under Regulations 74(5) of the SEBI (Depository and Participants) Regulation, 2018 for the quarter ended on September 30, 2026 received from Purva Sharegistry (India) Private Limited, Registrar and Share Transfer Agent (RTA) of our Company. You are requested to take above information on record. FOR, ONESOURCE INDUSTRIES AND VENTURES LIMITED CS NEHA RAVI PRAJAPATI Company Secretary and Compliance Officer M. No: A67093 01/10/2026 ONESOURCE INDUSTRIES AND VENTURES LIMITED - INE125F01032 Dear Sir/Madam. Sub : Confirmation Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 As per Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018, we hereby confirm that security received from the depository participants for dematerialisation during the quarter ended September, 2026, were confirmed (accepted / rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchanges where the earlier issued securities are listed. We hereby also confirm that the security certificates received for dematerialisation have been confirmed/rejected and the security certificates received were mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in the register of members as the registered owner within the prescribed timelines. We request you to kindly take note of the above in your records. Thanking you, Yours faithfully, For Purva Sharegistry (India) Pvt. Ltd. Ms. Deepali Gaonkar Compliance Officer. ONESOURCE INDUSTRIES AND VENTURES LIMITED - INE125F01032 - Details of Share certificates dematerialised from 01/07/2026 to 30/09/2026 FOLIO NAME OF CERTIFICA DIST. DIST. SHARE DEMATERIAL SHAREHOLDER TE NO. NO.(FROM) NO.(TO) S ISED ON 00001263 ANIL KUMAR AGARWAL 0053505 248351 248450 100 10/09/2026