SGL Carbon Celebrates $100 Million Expansion at St. Marys Facility, Strengthening U.S. Supply Chains for Nuclear and Semiconductor Industries

SGL Carbon celebrated a $100 million expansion program at its St. Marys,

Pennsylvania facility on October 7th, 2026, reinforcing the site’s role as a leading U.S.

company of specialty graphite materials for the advanced nuclear and semiconductor industries. The investment secures existing jobs and is expected to create new ones in the

future, thereby strengthening local communities and domestic supply chains for critical technologies.

The expansion positions SGL Carbon’s U.S. manufacturing site at the center of two

strategically important markets. High-purity graphite is produced across SGL Carbon’s

global network, with post-processing for U.S. market taking place at the St. Mary’s site to

support next-generation nuclear reactors and semiconductor manufacturing which

supports a reliable domestic supply of critical materials for American industry.

The investment ceremony brought together business leaders, government officials,

community representatives, key customers, and industry partners to recognize the

significance of advanced manufacturing in Pennsylvania and the United States.

Featured speakers included Christian Newton, Senior Advisor at the U.S. Department of

Energy; Sheila Sterrett, Northwest Regional Director for the Office of Senator Dave

McCormick; Representative Mike Armanini of the Pennsylvania House of Representatives;

David Briel of the Pennsylvania Department of Community and Economic Development;

Lyle Gardner, Mayor of St. Marys; Dinkar Bhatia, Chief Commercial Officer of X-energy LLC.

Additionally, featured speaker, Cindy Kunes from the Office of Congressman Glenn

Thompson presented a Congressional Record statement to Site Director, Chuck Surowiec, recognizing SGL Carbon’s leadership in specialty graphite, its contributions to the nation’s advanced nuclear and semiconductor industries, and its continued investment in St. Marys.

SGL Carbon Chief Executive Officer Andreas Klein attended the event and shared the

company’s vision for the future of advanced manufacturing and continued investment in

the United States.

The event included executive presentations and facility tours showcasing SGL Carbon’s

advanced manufacturing capabilities and its commitment to supporting the growth of

critical U.S. industries.

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About SGL Carbon

SGL Carbon is a global technology company and leading manufacturer of carbon-based

materials and solutions serving a wide range of industrial applications. The St. Marys

facility is a key U.S. production site supporting advanced nuclear energy, semiconductor

manufacturing, and other strategic industries.