• Supplementary Prospectus provides additional disclosures on the Yantai Offer and Proceeds of the Offers
• Pro-forma balance sheet updated to reflect changes from the Secondary Offers
• Board believes Company will have sufficient working capital for 12 months following re-instatement

Ryzon Materials Ltd (ASX: RYZ) has lodged a Supplementary Prospectus with the Australian Securities and Investments Commission (ASIC) on 3 December 2025. The Supplementary Prospectus provides additional disclosures to the Prospectus dated 27 November 2025, including details on the Yantai Offer and the Proceeds of the Offers. The Supplementary Prospectus includes a new section 1.5 which provides background on the Yantai Offer. This agreement builds on detailed engineering work first reported in the 30 June 2025 quarterly report and introduces a staged development plan for the Nachu Project. In consideration for the provision of detailed engineering design services, the Company agreed to pay a total contract value of $3,500,000, which is to be satisfied through the issue of Shares and Options to Yantai.Additionally, the Supplementary Prospectus updates Section 3.1 of the Prospectus, which outlines the Proceeds of the Placement Offer. This section has been deleted and replaced with a more detailed breakdown of how the $10 million in proceeds will be utilized, including allocations for the Nachu Project, corporate overhead, working capital, and expenses of the Placement Offer.Section 3.5 of the Prospectus, which covers the pro-forma balance sheet, has also been deleted and replaced. The updated pro-forma balance sheet reflects the changes to the Company's financial position resulting from the Secondary Offers set out in Section 2.1.The Board believes that, on completion of the Offers, the Company will have sufficient working capital to achieve its stated objectives for a period of 12 months from re-instatement.

The Company expects to utilize the $10 million in proceeds from the Placement Offer over the next 12 months, with key allocations including $1.47 million for Tanzanian staff and in-country expenditure, $1.958 million for corporate overhead, and $1.671 million for working capital.