CONSOL Energy Inc. (NYSE: CEIX) is a Canonsburg-based producer and exporter of high-Btu bituminous thermal and crossover metallurgical coal. It owns and operates some of the most productive longwall mining operations in the Northern Appalachian Basin. Our flagship operation is the Pennsylvania Mining Complex, which has the capacity to produce approximately 28.5 million tons of coal per year and is comprised of 3 large-scale underground mines: Bailey, Enlow Fork, and Harvey. The company also owns and operates the CONSOL Marine Terminal, which is located in the port of Baltimore and has a throughput capacity of approximately 15 million tons per year. In addition to the ~767 million reserve tons associated with the Pennsylvania Mining Complex, the company also controls approximately 1.6 billion tons of greenfield thermal and metallurgical coal reserves located in the major coal-producing basins of the eastern United States.

American Consolidated Natural Resources and its subsidiary companies employ and manage nearly 4,000 employees and currently manages 7 active coal mines. American Consolidated Natural Resources operates 9 underground longwall mining systems and 25 continuous mining units. We operate 10 coal transloading facilities and 5 mining and equipment factory and fabrication facilities. American Consolidated Natural Resources will manage the productions of over 49 million tons of coal per year. American Consolidated Natural Resources manages and controls over 4 billion tons of coal reserves. Our coal reserves total more than 6 billion tons of high heat, high quality coal in close proximity to our customers. Most importantly, American Consolidated Natural Resources operates among the safest underground coal mines in the world. This production and reserve base allows American Consolidated Natural Resources to provide electric utility customers with low cost, reliable, and high-quality coal supplies. ACNR is providing a bright future for you and your family by securing long-term employment opportunities throughout our mining operations.

Founded in 1860, Carmeuse is a global manufacturer of lime, limestone and mineral-based products used in a variety of industrial, construction, soil improvement applications, and benefits the environment by providing cleaner air and safer water. Carmeuse and its subsidiaries also offer equipment and services to optimize our customers’ processes, improve safety, and provide reliable supply. With headquarters located in Louvain-la-Neuve (Belgium), the Carmeuse Group has approximately 5,300 employees and serves over 13,000 customers annually through a global network of 90 plants and 60 limestone quarries. Turnover in 2022 was €1.8 billion.

Thompson Creek Metals Company Inc. was a North American mining company. (copper, gold and molybdenum.) Thompson Creek Metals Company are now owned by Centerra Gold Inc.

Shaft Drillers International LLC www.shaftdrillers.com Headquartered in Mt. Morris, Pennsylvania, Shaft Drillers International LLC (SDI) is a world leader in geotechnical stabilization, dam construction, dam rehabilitation, roller compacted concrete, water resource development, renewable energy infrastructure development, deep driven foundations, and large diameter drilled shaft installation. The SDI Family of Companies includes:  ASI Construction LLC - www.asidams.com  Coastal Drilling East, LLC: Geotechnical Division - www.coastaldrillingeast.com  Coastal Drilling East, LLC: Well Service Division - www.coastalwellservice.com  Force Power Foundations LLC - www.forcepf.com  Heeter Geotechnical Construction, LLC - www.heeterconstruction.com  Ludwig Drilling LLC - www.ludwigdrilling.com  North American Drillers LLC - www.nadrillers.com  TEK Piles LLC - www.tekpiles.com We are an Equal Opportunity Employer, including disability and protected veteran status.

Crimson Resources LLC is an acquisition-focused land services company serving the oil & gas industry in the Ohio Valley. We are the alternative to the transient culture that is too common in the broker business. Our belief is every land initiative should be led and executed by experienced professionals that live in the same areas they serve. Through our commitment to this tenet, we have assembled a roster full of competent landmen that are committed to delivering results to the client, without compromising our integrity in this pursuit.

Filtech Inc. based in Western Pennsylvania, provides a complete line of filtration equipment and replacement filter elements. Our filtration applications include air, compressed air, dust collection, gas, hydraulic and liquid filtration. We are dedicated to providing excellent consulting and engineering solutions to assist with difficult applications. Filtech also specializes in servicing, testing, and providing certifications for hoods, cleanrooms, and containment systems. For over 50 years, Filtech has proudly support Western Pennsylvania, Ohio, West Virginia, and Maryland areas with all their filtration and testing needs.

IMI Fabi, LLC is a company based out of Second & Marshall Street, Benwood, West Virginia, United States.

FRANCIS ENTERPRISES, INC. is a company based out of P.O. BOX 2284, WESTOVER, West Virginia, United States.