Sabre Industries, Inc. provides infrastructure products and services to the wireless communications, and electric transmission and distribution industries.

: Management shifts production from HF antenna systems to guyed and self-supporting towers Sabre diversifies its platform through a venture into T&D and components businesses 2006: Sabre is acquired by Corinthian Capital in May and begins construction of the Alvarado, TX facility in October 2007: Sabre broadens its communications infrastructure platform through the CellXion acquisition; TX facility completed 2008: Construction on new state-of-the-art galvanizer is completed in Texas TransitionAccelerated Growth : Sabre Communications is founded with a focus on HF antenna systems Foundation Sabre Industries, Inc. 1997: Purchases Murray Street facility in Iowa, expanding both manufacturing capacity and office space 1999: Adds more manufacturing space with Bridgeport facility in Iowa 2001: Establishes international business Announces formation of new homeland security division : :

Seven Divisions Our wireless divisions offer a comprehensive array of solutions  Sabre Towers and Poles  Sabre Site Solutions  CellXion  CellXion Wireless Services  Sabre Defense and Homeland Security Systems Electric transmission & distribution provides highly- engineered power delivery structures  Sabre Tubular Structures  Sabre Galvanizing

Proprietary software evaluates the lowest cost product considering many factors including steel usage, overhead, direct and indirect labor, finishing and freight Software is customized to reflect actual manufacturing processes of the state-of-the-art equipment in our new purpose-built facility Fully integrated end-to-end efficient process results in the most competitive products Proprietary software minimizes engineering and design time and resources Systemized component standardization optimizes manufacturing process and reduces inventory Fully integrated end-to-end efficient process results in the most competitive products Leading Engineering and Design Capabilities Superior design and engineering capabilities provide a significant competitive advantage Wireless Communications Electric T&D

Bossier City, LA: Concrete shelters Lightweight shelters Mobile site products Integration services Situated on over 60 acres and able to produce more than 2000 shelters annually Alvarado, TX: Transmission structures, distribution poles & substation structures Wireless monopoles Sabre’s on-site galvanizer Situated on 147 acres capable of manufacturing more than 45,000 tons of steel structures annually Efficient and Scalable Facilities Sioux City, IA: Self-supporting towers Guyed towers used in communications, broadcast, wind energy and defense applications Full range of tower components Situated on approximately 23 acres and capable of manufacturing more than 2300 towers annually

Sabre Towers and Poles Sabre provides best-in-class class products at the lowest cost with the shortest production lead times Guyed Towers Feature all welded or knock down sections Available with tubular or solid round and angle legs Climbing ladder and three cable ladders part of design Self-Supporting Towers Available with three or four legs Feature tubular or solid round legs and angle bracing Appropriate for nearly all communication applications Wireless Monopoles 18-sided, steel- tapered poles Flanged pipe poles also available Variety of concealment options including trees, flagpoles and decorative light poles Professional Services Modification design, detailing, fabrication and install Structural analysis Tower installation Project management

CellXion CellXion offers industry leading equipment shelters, specialty products and services Concrete Shelters Cost-effective intrusion, ballistic and fire resistance Available in a variety of finishes Designed to exceed building codes Step joint design deters water intrusion Lightweight Shelters Made of steel or aluminum for less weight Secure, durable option when site accessibility is a factor Envolock Building Systems offer a flexible alternative to conventional shelters Specialty Products Mobile, panelized and field-erectable products Includes cell-on- wheels, mini-cells, and tower trailers Perfect for disaster recovery operations Services Equipment integration Maintenance Third Party Logistics Decommissioning Site-built shelters

Sabre Site Solutions Comprehensive catalog with vast selection of tower parts and accessories Antenna mounting systems designed with more than 30 years of experience in tower industry Includes pre-engineered lightweight tower structures Lightweight towers perfect for wind measurement and other niche markets Distribution centers located across the United States Sabre Site Solutions offers lightweight towers and wireless components

CellXion Wireless Services Site acquisition Zoning and permitting Project and construction management Civil site construction Telecommunication equipment installation Antenna and line specialists Material procurement Project warehousing and inventory control CellXion Wireless Services offers turnkey construction and site development solutions

Sabre Defense & Homeland Security Systems Offers complete wireless systems including:  Tower structures  Radar and surveillance structures  Wireless components  Fully-integrated equipment shelters Provides a full range of site construction and field maintenance services Contract vehicles include:  GSA Contract GS-07F-5913R (through 2015)  R2-G3 Army IDIQ W15P7T-10-D-D406 Raytheon Prime Contract Period of performance SDHS provides Sabre’s products and services to the United States Government, foreign allies and first tier contractors

Sabre Tubular Structures A fully integrated design and manufacturing supplier Manufactures single pole, H-Frame, and 3- pole transmission structures through 765kV Substation structures from static masts to 765kV A-frame structures Pre-engineered wood equivalent poles Offers a variety of finishes including weathering steel, painted, galvanized and dulled galvanized All designs support full integration with the PLS family of software Sabre Tubular Structures designs and manufactures a full line of transmission, distribution and substation structures

Sabre Galvanizing Sabre Galvanizing is a green, state-of-the-art, lean facility Set on 35 acres in Alvarado, Texas, this 42,000 sq. ft. galvanizer is one of the largest in the United States One of the most efficient and environmentally-friendly general galvanizers in North America Home of one of the world’s largest operating kettles measuring 65’ long x 11’ deep x 9’ wide and holding 2.58 million pounds of molten zinc With 20 ton lifting capacity, Sabre can galvanize the longest structures in one “dip” Preheat, recycle and regenerate pretreatment materials for zero hazardous waste Member of the Green Suppliers Network