August 19, 2026 - Ramaco Resources, Inc.  has announced that it has entered into a non-binding memorandum of understanding ("MOU") with Indium Corporation relating to the supply of gallium and germanium from Ramaco's exploratory Brook Mine rare earth and critical-mineral project in Wyoming.

Indium Corporation, headquartered in Clinton, New York, is a global leader in advanced electronic materials and specialty metals serving the semiconductor, electronics, aerospace, defense, and advanced manufacturing industries. The company is recognized for its expertise in the refining, purification, alloy development, and manufacture of high-performance materials, including gallium- and germanium-based products used throughout the semiconductor value chain. Indium Corporation manufactures and supplies electronics-assembly materials, including semiconductor packaging materials, thermal interface materials, solder products, and specialty metals.

Under the MOU, Ramaco and Indium Corporation agree to negotiate the potential supply of gallium and germanium from the Brook Mine project.

The MOU is non-binding, and any future supply or offtake arrangements will be subject to the completion of due diligence, negotiation, and execution of definitive agreements, successful development of the Brook Mine project, and other applicable conditions.

"Indium Corporation brings decades of experience supplying advanced electronic materials to the global semiconductor industry. We believe this MOU demonstrates a promising opportunity to introduce Brook Mine gallium and germanium into established domestic and allied supply chains. By combining Ramaco's potential domestic resource base with Indium Corporation's global materials expertise and established presence in advanced technology manufacturing, we believe this proposed relationship could strengthen and diversify the supply of materials that are increasingly critical to the U.S. electronics, semiconductor, and advanced manufacturing industries," said Randall Atkins, Chairman and CEO of Ramaco Resources.

"Gallium and germanium play an important role in many of the advanced technologies that are shaping our future," said Indium Corporation President and CEO Ross Berntson. "At Indium Corporation, our expertise has always been rooted in materials science and in helping our customers solve complex challenges with reliable, high-performance materials. This MOU with Ramaco Resources, Inc. ( METCB ) represents an opportunity to explore how our capabilities can complement a potential U.S. source of these critical materials, while supporting the development of more resilient and diversified supply chains for the industries we serve."

About Ramaco Resources

Ramaco Resources, Inc. is an operator and developer of high-quality, low-cost metallurgical coal in southern West Virginia, and southwestern Virginia and exploring a coal, rare earth and other critical minerals project in Wyoming. The Company's executive offices are located in Lexington, Kentucky, with operational offices in Charleston, West Virginia and Sheridan, Wyoming. The Company currently has four active metallurgical coal mining complexes in Central Appalachia and one coal mine and rare earth element and other critical mineral exploration stage property near Sheridan, Wyoming (the "Brook Mine"). The Brook Mine remains an exploration stage property, and no assurance can be given that it will be successfully developed into a commercial scale mine or that any inferred mineral resources estimated will be converted into higher confidence mineral resources or eventually mineral reserves. Contiguous to the Brook Mine, the Company operates a carbon research facility related to the potential production of advanced carbon products and materials from coal. In connection with these activities, it holds a body of more than 70 intellectual property patents, pending applications, exclusive licensing agreements and various trademarks.