A Division of Sabre Industries Inc 2

A Division of Sabre Industries, Inc.

2

SABRE INDUSTRIES, Inc. 3 Confidential 3 Sabre Towers & Poles Sabre Site Solutions ♦ Company founded in 1977 ♦ Components division developed in 2001 ♦ Headquarters in Sioux City, IA ♦ Distribution, call center, and sales force located in Sioux City, IA ♦ Design and manufacture of self-supporting and guyed towers ♦ Provides tower parts and accessories ♦ International sales office in Orlando, FL ♦ Offers a full product line catalog, along with a wireless supplemental catalog ♦ 70, 000 square feet of production space situated on 39 acres Cell. Xion ♦ Company founded in 1996 ♦ Headquartered in Bossier City, LA ♦ Design and manufacture a full line of shelters and building systems including concrete, structural steel and ultra-light aluminum products ♦ Installation and integrated services Sabre Tubular Structures ♦Tubular steel pole division developed in 2001 ♦ Headquarters in Alvarado, TX ♦ Design and manufacture tubular steel poles ♦ Complete in-house engineering, manufacturing, and sales force ♦ 80 million lbs annual production capacity Cell. Xion Wireless Services ♦ Edmond, OK ♦ Regional Civil Site Services (OK, AR, TX, LA, MS, MO, KS) Sabre Defense and Home Land Security Sabre Galvanizing ♦ Sabre Galvanizing began melting zinc in August of 2008 ♦ Utilizing the latest technology to be the most environmentally-friendly galvanizer in North America ♦ Headquartered in Alvarado, TX ♦ Provides products and services that support the requirements of the United States Government including all branches of our armed forces and ♦ Largest tank in the United Sates – 65’ x 11’ 9’ our allies, Sioux City, IA

SABRE INDUSTRIES, Inc. 4

SABRE INDUSTRIES, Inc. 5 5

SABRE INDUSTRIES, Inc. 6 6

SABRE INDUSTRIES, Inc. 7 Confidential 7

CELLXION, LLC 8 Cell. Xion Manufacturing Facilities on 70 Corporate Acres Main Concrete Plant (Offices and Manufacturing) – 220, 000 SF; Install Facility – 80, 000 SF

COMPANY HISTORY 9

BLUE CHIP CUSTOMERS 10

CELLXION ADVANTAGE 11 COMPANY Profitable division of a financially sound, well diversified utility infrastructure company Headquartered in Northwest Louisiana, centrally located to support national deployment Non-union, right to work state Access to low-cost, quality labor (average tenure for hourly production team is 5 yrs, 5 months) Broad industry experience / exposure (reduced risk) In-house engineering team covering all disciplines PRODUCT Industry standard design and materials Meets all building and energy codes currently adopted by the states Approved by all state administered modular industrialized housing programs Product-line strength – concrete, lightweight steel, ultra-lightweight aluminum, field erectable, and various mobile Flexible design to meet specific structural, fireresistance, and ballistic requirements MANUFACTURING All production operations performed in a weather protected environment; integration areas are climate controlled Self-sufficient past raw materials – onsite concrete batch system, onsite metal fabrication, and onsite blast/paint booth Employee-only workforce Current capacity approximately 12 shelters per day State approved and audited quality control program In-process QC inspection and documentation Onsite transportation department to coordinate deployment efforts

PRODUCT AND SERVICE SCOPE 12 Shelters Mobile Installation Services Concrete Mini-Cell on Wheels Equipment Installation/Integration Lightweight Cell on Chassis Testing Services Cell on Wheels Customer Inventory Management Tower Trailer Other Services Turnkey Construction Civil and Site Construction Maintenance Services 3 PL Logistics Warehouse Management Inventory Control

PRODUCT AND SERVICE SCOPE 13 CONCRETE SHELTERS Flexibility Designed and manufactured to meet industry and customer specifications Alternate finishes allow shelters to meet local ordinances while maintaining the concrete’s durability Clients may customize shelters for space or aesthetic requirements Durability Shelters composed of industry standard lightweight concrete and ASTM A-615 Grade 60 steel reinforcing Buildings have fire ratings in excess of two hours Bullet resistance meets or exceeds UL 752 Wind loading of 150 mph exceeds nearly all building code requirements

PRODUCT AND SERVICE SCOPE 14 Lightweight Shelters and Mobile Specialty Products Flexibility Structural steel shelters featuring Envolock interlocking steel panels Ultra-light aluminum shelters Mobile tower trailers Specialty products Rooftop, land sites Mobile, panelized, and field erectable Domestic and international applications Durability Domestic and international electrical and building code requirements Wind and snow loadings as specified Saltwater protection as specified Ballistic resistance, explosion, and fire r ratings as required Electromagnetic and radio frequency interference shielding available

EXTERIOR FINISH 15

PRODUCT AND SERVICE SCOPE 16 INSTALLATION SERVICES Certified for in-factory one-stop installation and optimization Asset / inventory control and tracking - decreases expensive and duplicative inventory costs for customers Large staff of install / testing technicians Cell. Xion provides these value-added services for approximately 60% of shelters it manufactures

SECURITY 17 Confidential SECURITY Cell. Xion security systems are monitored 24 hours a day by onsite security staff 63 PTZ (pan, tilt, zoom) cameras located throughout the plant Ability to review the footage for up to 45 -60 days Identi-pass System Fireworks System Average Install Facility customer owned inventory $50 million 17

INTEGRATION CENTER 18 Confidential Cell. Xion In-plant Equipment Integration Cell. Xion maintains a dedicated equipment warehousing and integration facility totaling 80, 000 sf. This facility was purpose-built for warehousing and installing power, radio, and telecom equipment. The entire facility is temperature and humidity controlled. 18

INTEGRATION CENTER 19 Confidential WAREHOUSE Warehouse areas include (3) dock high access doors, vertical racking and security/fire protection systems including electronic access control, video surveillance, and pre-action fire alarm/sprinkler system. 19

INTEGRATION CENTER 20 Confidential LOCATION & THROUGHPUT All warehousing and integration activities occur within the previously described facilities. Work within our facility is not limited by weather conditions; Cell. Xion is located approximately 200 miles inland is not appreciably affected by hurricane activity. Integration at the point of shelter manufacture also eliminates the cost and time to transfer the shelter and equipment to an interim staging facility. Although Cell. Xion currently operates a single shift, the sequence of work could support multiple shifts to accelerate overall deployment schedules. Cell. Xion is a non-union shop with excellent employee benefits and bonus programs that reward performance, safety, and attendance. 20

PRODUCT AND SERVICE SCOPE 21 OTHER SERVICES Construction services Turn-key construction for all types of wireless communications infrastructure Site acquisition and zoning Project management Regional civil and site construction Strategically controlled growth to support key products and customers