MOUNTAIN PASS, Calif.–(BUSINESS WIRE)–MP Materials Corp. (NYSE: MP) (“MP Materials” or the “Company”), the largest rare earth materials producer in the Western Hemisphere, today announced its financial results for the three months ended June 30, 2021. “MP Materials’ second quarter results demonstrate our strong execution as demand for rare earth materials continues to grow. The MP team produced the highest quarterly REO output in Mountain Pass history, driving revenues to more than double and