The Elmet Group Co. (NASDAQ:ELMT) ("Elmet" or the "Company"), a U.S.-based provider of precision-engineered components and advanced high-energy systems, is set to join the broad-market Russell 3000® and Russell Microcap® Indexes at the conclusion of the 2026 Russell indexes annual reconstitution, effective after the US market opens on June 26, 2026, according to a preliminary list of additions posted last month.