• Renounceable pro-rata entitlement offer to raise up to $10.03 million
• Offer price of $1.37 per new share, on a 3-for-35 basis
• Entitlement Offer fully underwritten by Petra Capital, with NAOS Sub-Underwriters
• NAOS Sub-Underwriters committed to sub-underwrite up to 100% of the Offer

Big River Industries Ltd (the Company) has announced a renounceable pro-rata entitlement offer to raise up to approximately $10.03 million. Under the Entitlement Offer, eligible shareholders are entitled to acquire three new shares for every thirty-five existing shares held on the record date of 4 December 2025, at an issue price of $1.37 per new share. The Entitlement Offer is fully underwritten by Petra Capital Pty Ltd, and the NAOS Sub-Underwriters (NAOS Emerging Opportunities Company Limited, NAOS Small Cap Opportunities Company Limited and NAOS Ex-50 Opportunities Company Limited) have agreed to sub-underwrite the Entitlement Offer. The NAOS Sub-Underwriters, who are a substantial holder in the Company, currently holding 34.0% voting power, have committed to sub-underwrite up to 100% of the new shares under the Entitlement Offer and have also committed to subscribe for their entitlement. The net proceeds from the Entitlement Offer will be used to strengthen the Company's balance sheet, provide additional working capital, and support the Company's growth initiatives. Eligible shareholders who take up their entitlements in full may also apply for additional new shares in excess of their entitlements, subject to availability and the Board's discretion.