On June 30, 2024, the board of directors of Rare Element Resources Ltd. (the Registrant), appointed Kelli Kast as the Vice President, General Counsel and Chief Administrative Officer of the Registrant, in each case effective as of July 1, 2024. Ms. Kast, 57, has over 25 years of in-house legal experience, including as top legal officer in the precious metals industry for seven years and 12 years in the rare earth industry. She has served as a consultant of Rare Element Resources Inc., a wholly owned subsidiary of the Company since June 2015, and as a director of the Company since August 2022.

From July 2012 to May 2015, Ms. Kast served as the Vice President, General Counsel, Chief Administrative Officer and Corporate Secretary of the Registrant. She served as Coeur d?Alene Mine Corporation?s Vice President, General Counsel and Corporate Secretary from May 2005 to March 2009 and as its Chief Administrative Officer from March 2009 to December 2011. From 2004 to 2005, Ms. Kast served as Corporate Counsel for HealtheTech Inc. From 1997 to 2003, she served as the Assistant General Counsel and Corporate Secretary for Global Water Technologies Inc. and Psychrometric Systems Inc. From January 1996 through December 1997, she served as corporate counsel for Boise Cascade Corporation.

Ms. Kast earned her Juris Doctor from the University of South Dakota School of Law and her Bachelor?s degree from the University of Idaho.