the filing and use of the technical report summary titled “Technical Report Summary of the Rhyolite Ridge Lithium-Boron Project” (as amended or supplemented, the “Technical Report Summary”), as an exhibit to the Form F-3 (incorporated by reference to Exhibit 15.11 to the transition report on Form 20-F of ioneer Ltd for the six-month period ended December 31, 2025);

the use of and references to Piteau’s name, including Piteau’s status as an expert or “qualified person” (as defined in Subpart 1300 of Regulation S-K promulgated by the Securities and Exchange Commission), in connection with the Form F-3 and the Technical Report Summary; and

any extracts from, or summaries of, the Technical Report Summary in the Form F-3 and the use of information derived, summarized, quoted or referenced from the Technical Report Summary, or portions thereof, that was prepared by Piteau, that Piteau supervised the preparation of and/or that was reviewed and approved by Piteau, that is included or incorporated by reference in the Form F-3.