Estimated Project Timeline Ioneer's estimated timing* for the Rhyolite Ridge Lithium-Boron Project is as follows: *As of October 2024, and subject to change. This ASX release has been authorised by Ioneer Managing Director, Bernard Rowe. About Ioneer Ioneer Ltd is an emerging lithium–boron producer and the 100% owner of the Rhyolite Ridge Lithium-Boron Project located in Nevada, USA. Rhyolite Ridge is the only known lithium-boron deposit in North America and one of only two known such deposits in the world. Once operational, the low-cost, world-class project is expected to power upward of 50 million electric vehicles and will instantly become a globally significant source of critical materials vital to the clean energy transition.