MYR Group subsidiaries located throughout the various regions of the United States offer clients a nationwide network of resources in terms of manpower, tools and equipment. RENEWABLE ENERGY ELECTRIC DELIVERY SERVICES GREAT SOUTHWESTERN CONSTRUCTION, INC. 1701 GOLF ROAD, SUITE 3-1012, ROLLING MEADOWS, IL 60008 847.290.1891 MYR GROUP INC. IS AN EQUAL OPPORTUNITY EMPLOYER M/F/D/V MYRGROUP.COM ©2014MYRGROUPINC. NASDAQ: MYRG SERVICE OFFERINGS Great Southwestern Construction, Inc. (GSWC) has earned a strong reputation in performing a variety of electrial construction services for clients throughought the nation. Services include construction and maintenance of transmission lines, distribution systems and substations for electric utilities, cooperatives, municipalities and private developers. GSWC has the capability to complete electrical installations of any type and size, from high voltage transmission to low voltage controls. Emphasis on continuous improvement in the area of safety, equipment, quality, management development and field supervision continue to make GSWC a leader in the industry. SAFETY IS LIFE It sustains our employees, customers and company, and is a company core value. Our culture embraces constant innovation and improvement in our safety practices as the catalyst that sets us apart today, tomorrow and beyond. For us, this is not an option; it’s a requirement to be the best in the industry. We strive to deliver the best safety training, tools, support and mentoring to each and every one of our employees. In turn, we expect and receive behavioral excellence and integrity that fuels success and innovation. GREAT SOUTHWESTERN Established in 1977, Great Southwestern Construction, Inc. (GSWC) has successfully completed hundreds of transmission, substation and distribution projects. In 2000, GSWC became a subsidiary of MYR Group Inc. (MYR Group), a publicly traded (Nasdaq: MYRG) holding company of premier nationwide specialty electrical construction companies. In addition to GSWC, MYR Group’s subsidiaries include: The L.E. Myers Co., Harlan Electric Company, Sturgeon Electric Company, Inc., MYR Transmission Services, Inc. and MYR Group Construction Canada, Ltd. With roots dating to 1891 and over 3,500 employees nationwide, MYR Group has delivered some of the largest transmission, distribution and substation projects in the U.S. and is one of the largest specialty contracting firms in the U.S. EPC CONSTRUCTION GSWC offers the expertise required to engineer, procure, and construct (EPC) substations, transmission lines and collector systems for wind power development. GSWC has an established track record of cost-efficient and timely project completion for all sizes and types of projects. We are well-positioned to meet the needs of our clients through an EPC form of project delivery in the electrical power market. NOTABLE PROJECTS Cedar Creek Wind Farm - Colorado Cedar Creek Wind Energy, LLC • 74 miles of 230kV transmission line • New 230kV interconnect switching substation Keenan II Wind Farm - Oklahoma The Delaney Group • 10 miles of 138kV transmission line • New 35kV/138kV substation • 140,000 cicuit feet of 35kV collection system • 5 miles distribution under-build utilizing 336CSR Rugby Wind Power - North Dakota Iberdrola Renewables • 10 miles of single circuit 230kV transmission line • 38.3 miles of 34.5kV overhead and underground collector system • New 230/34.5kV collector substation Goshen II Wind Farm - Idaho M.A. Mortenson • New 161kV substation • Addition to existing switchyard Red Hills Wind Farm - Oklahoma Acconia/M.A. Mortenson • 4 miles 138kV transmission line • 20 miles of 34.5kV collector system • New 34.5/230kV substation Magic Valley Wind Farm - Texas Magic Valley Wind Farm I, LLC (Blattner Energy) • Engineer-Procure-Construct (EPC) Project • New 138kV substation • 258,000 circuit feet of 34.5kv underground collector system Cedar Point Wind Farm - Colorado RES Americas • East and West 230kV/34.5kV substation • Missile Site Capacitor Yard Works Alta Wind Farm - California Balfour Beatty Construction • New 34.5/230kV collector substation • Foundations, structural steel bus, switches, circuit breakers, cap bank, control building, grounding, conduit, cable and finish rock