LIME INSTRUMENTS Rob Stewart Lime Instruments President NOMADS

LIME INSTRUMENTS Rob Stewart Lime Instruments President NOMADS April 9 th, 2013 March 2013

Agenda • Who is Lime Instruments • Active Markets & Products • Digital Oilfield – Hydraulic Fracturing – Data Van – Frac Pumps – Blenders

Who is Lime Instruments • 2006 – Supreme Electrical Services, electrical rig-up • Lime Instruments is a dedicated separate business entity of Supreme Electrical Services focusing on controls and instrumentation. • The Stewart family, founders of Lime Instruments, have been recognized as leaders in the oilfield equipment and service industry for over a century. • Lime's business knowledge and industrial experience comes from a rich heritage in a wide range of industrial markets such as oil & gas stimulation and drilling, power utility, and marine.

What We Do • Lime Instruments LLC is a Houston-based global provider of leading-edge controls and instrumentation systems for the energy industry. • We study our customers' needs in order to develop technology for data acquisition and automated controls packages, the result is a state-of-the-art product tailor-made to tackle the harsh demands of the energy industry. • Then we build, install, commission, and service this equipment for customers all over the world.

What We Do Advanced Technology + Purpose built Rugged portable packaging 100+ Years Oil Field Experience Customer Success + Installation and world-class support

Advanced Technologies • NI c. RIO • NI Lab. VIEW • Flexible Sophisticated Architecture

Purpose Built Rugged Portable Packaging • Rugged packaging for portable applications – Wire ties – Color coded wires – Solider tipped wires • Ultra rugged, custom built display • Customer specific modifications and improvements

Installation and World-Class Support • 37000 square foot factor has the room to accommodate several large trailer mounted assets. • Installations can happen at Lime’s factory or customers facilities. • 24/7 World-Wide support – Remote software updates and diagnostics 1 -888 -991 -LIME (5463)

Capabilities • • Custom application design Multilingual compatibility Software development In-house and field training Packaging / Manufacturing Integration with existing systems Field installation and Commissioning After sale support and service

Lime Products • Coil Tubing – DAS – Twin Pumper (Pump Down) – N 2, C 02, Acid Pumper • Well Stimulation (Frac) – Data Van – Pumper (Conv, Turbine, Electric) – Blender, Hydration, Chemical – Density Meter and Smart. Vue – Sand King, manifold

What is Hydraulic Fracturing • • Hydraulic fracturing is a proven completion process which allows producers to safely recover natural gas and oil from tight formations. This technology has the potential to not only dramatically reduce our reliance on foreign fuel imports, but also to significantly reduce our national carbon dioxide (CO 2) emissions

Hydraulic Fracturing Spread Sand Blender Hydration Data Van Pumper

Environmental Data

The Need for Automation • Worker Safety – High pressure – Heavy iron – Rotating equipment – Undertrained Operators • Process optimization – Proper billing of materials; sand water – Rate, pressure, flow assurances

Data Van • Fully customizable • Available in several sizes, e. g. 14’ chassis mounted, 26’ chassis mounted, and 42’ trailered • Designed by frac hands, for frac hands • More standard features than any other van in the industry

Digital Pump Controls • Full on-board controls and diagnostics locally on the pump • Multipump capable • Over 700 outfitted units in operation worldwide • Able to retrofit existing units to run Lime software • Seamlessly integrates with other auxiliary equipment • Proven solution with more engine and transmission configurations than any other company in the world • Multiple layers of redundancy for reliable control • Fastest, most reliable overpressure shutdown in the business

Automated Blender Controls • Density, sand delivery, and chemical control systems • Up to three sand augers • Guided wave radar tub leveling

Contact • 1187 Brittmoore Road Houston, Texas 77043 • Phone: 713. 781. 1883 • Email: – general: info@limeinst. com – sales: sales@limeinst. com • Web: limeinst. com