Publication of New Investor Presentation

About this update from Rainbow Rare Earths Ltd.

17 March 2026 Rainbow Rare Earths Limited (" Rainbow " or " the Company ") LSE: RBW   Publication of New Investor Presentation   Rainbow Rare Earths announces that it will be participating in the Swiss Mining Institute's Zurich investor conference this week and the Company has therefore uploaded a new investor presentation to its website, which is available here: https://www.rainbowrareearths.com/investors/results-reports-presentations/ .     For further information, please contact:   Rainbow Rare Earths Ltd Company George Bennett Pete Gardner +27 (0) 82 652 8526     IR Cathy Malins +44 (0) 7876 796 629 [email protected] Tavistock Communications PR/IR Charles Vivian Eliza Logan +44 (0) 20 7920 3150 [email protected] Berenberg Broker Matthew Armitt Jennifer Lee   +44 (0) 20 3207 7800 Stifel   Broker Ashton Clanfield Varun Talwar     +44 (0) 20 7710 7600   Notes to Editors:   About Rainbow: Rainbow Rare Earths aims to be a forerunner in the establishment of an independent and ethical supply chain of the rare earth elements that are driving the green energy transition. It is doing this by developing projects that recover rare earth elements from phosphogypsum, a by-product of fertilizer production. This approach avoids traditional mining and allows projects to be advanced more quickly and at lower cost. The Company is progressing two projects: Phalaborwa in South Africa and Uberaba in Brazil, and these projects are expected to produce critical materials for a wide range of industrial, energy, and defence applications. More information is available at www.rainbowrareearths.com or by visiting the Rainbow Rare Earths Curation Showcase at: Curation Connect - Rainbow Rare Earths Showcase or https://app.curationconnect.com/company/Rainbow-Rare-Earths-90903 .

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