K. Darcey Matthews

Endeavour International Corp. was engaged in exploration and development of oil and gas reserves. The company was founded by William L. Transier and John N. Seitz and was headquartered in Houston, TX.

National Investor Relations Institute operates as an association of corporate officers and investor relations consultants responsible for communication among corporate management, shareholders, securities analysts and other financial community constituents. The company was founded by DeWitt C. Morrill in 1969 and is headquartered in Alexandria, VA.

McDermott International, Inc. engages in the provision of technology, engineering, construction, and installation solutions to the energy industry. It operates through the following segments: North, Central, and South America (NCSA); Europe, Africa, Russia and Caspian (EARC); the Middle East and North Africa (MENA); Asia Pacific (APAC); and Technology. The NCSA segment designs, engineers, and constructs upstream offshore oil and gas facilities, downstream oil and gas facilities and pipelines, gas-fired power plants, LNG import and export terminals, atmospheric and refrigerated storage vessels and terminals, water storage and treatment facilities and pipe and module fabrication. The EARC segment focuses in the upstream offshore oil and gas facilities, downstream oil and gas facilities, LNG import and export terminals, and atmospheric and refrigerated storage vessels and terminals. The MENA segment comprises upstream offshore oil and gas facilities and pipelines, downstream oil and gas facilities, hydrocarbon processing facilities, atmospheric and refrigerated storage vessels and terminals, and performs pipe fabrication and manufacturing. The APAC segment involves in the upstream offshore oil and gas facilities and pipelines, refining and petrochemical facilities, hydrocarbon processing facilities, LNG import and export terminals and atmospheric and refrigerated storage vessels and terminals. The Technology segment consists technology licensor of proprietary gas processing, refining, petrochemical and coal gasification technologies as well as a supplier of proprietary catalysts, equipment and related engineering services. The company was founded in 1923 and is headquartered in Houston, TX.

Cornerstone Building Brands, Inc. engages in the design, engineer and manufacture of external building products. It operates through the following segments: Aperture, Surface and Shelter Solutions. The Aperture solutions offers windows and doors at multiple price tiers for residential new construction and residential repair and remodel end markets primarily in the United States and Canada. The Surface solutions includes Siding and accessories, Cellular PVC trim, Vinyl fencing and railing, Stone veneer & Gutter protection. The Shelter solutions designs, engineers, manufactures and distributes an extensive line of building products for the low-rise commercial construction market under multiple brand names and through a nationwide network of manufacturing plants and distribution centers. The company was founded by Johnie Schulte in 1984 and is headquartered in Cary, NC.