About Us - Lauren Engineers & Constructors

Designing andBuilding Success

About UsCore Beliefs“Designing & Building Success”Lauren VisionLauren’s vision is to be a light to the world and the contractor of choice throughconstructive and caring relationships with customers, suppliers and peers.Lauren Mission StatementLauren helps our customers succeed by providing innovative solutions and by designingand building the highest quality facilities with timeliness, integrity and skill.Core Values• We believe that our primary purpose is to love and honor God and to serve others.• We strive to be the very best at whatever we choose to do.• We strive to develop extreme loyalty throughexceptional performance.• We challenge and help every worker to reach theirfull potential.• We realize people are more important thanactivities or things.• We will be good stewards of our time, talents and treasures.• We encourage innovation, reward responsible risk takingand forgive mistakes.In the same way, let your light shine beforeothers, that they may see your good deedsand glorify your Father in heaven.Matthew 5:16901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

About UsCompany Profile“Designing & Building Success”Lauren Engineers & Constructors began30 years ago as a small specialty constructioncompany and has grown into a fully integratedprovider of professional engineering, procurementand construction services. Due to our success,we are able to focus on recruiting and developinghighly regarded professionals, refining internalprocesses and adding capabilities. Continuallydeveloping our full range of in-house servicesallows Lauren to offer innovative and costeffectivesolutions to our clients in our coremarkets:• Power Generation• Chemical/Process• Oil & GasLauren offers the following services throughour corporate headquarters in Abilene, Texas;our regional offices in Houston, Texas; Dallas,Texas; Atlanta, Georgia; Knoxville, Tennessee;and our international offices in Canada and India:• Engineering• Procurement• Construction• Industrial FabricationIn short, Lauren is a company that is knownfor helping our customers succeed by designingand building the highest quality facilities withtimeliness, integrity and skill.Lauren’s business model is centeredon developing long-term relationships with ourclients. We excel at working as a team (bothinternally and with our alliance partners) andit shows. Our reputation for high quality, costcompetitive work has earned us repeat businesswith such clients as LS Power, Black Hills Energy,Calpine, Texas Utilities, Monsanto, EastmanChemical, Mobil, Alstom Power, Rohm & Haas,Anhueser Busch, Georgia Power, AmericanElectric Power Company, Central and SouthWest Corporation, DukeSolutions, KoSa, PhillipsPetroleum, El Paso Energy, Oryx Energy, ITW/Signode, Navajo Refining, Nuclear Fuels,Horsehead Corporation and many others.901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

About UsSafety First, No Exceptions!“Designing & Building Success”Engrained within the Lauren culture is afirm commitment to providing our employees,subcontractors, vendors and other customersa workplace free of recognizable hazard. Withsafety being our first priority, we have developed asafety program that is second to none in supportof our commitment. Our program is augmentedby extensive on-going employee training, policyand regulatory enforcement by all levels ofmanagement, and through an accountabilityprocess. To further enhance our program, wehave created and implemented a Behavior-BasedProcess, where in part, supervision participatesin the recognition of Safe vs. At-Risk behaviors ofworkers.We understand that the success of a projectand organization as a whole is only achievedthrough strict implementation of our safetyand training program. Through this philosophycoupled with our commitment, Lauren Engineers& Constructors, Inc. has consistently maintaineda safety rating below the industry average.Our safety program includes more than justpromises and good intentions; We are devotedto fulfilling our commitments to our customers toprovide safe, cost-effective, quality work.In part, our safety program encompasses:• Responsibility and Accountability forAccident and Fire Prevention• Behavior-Based Safety Processes• Safety Education and Training• Occupational Health• Substance Abuse Program• Accident Investigations, Trends, Reportingand Analysis• Major Loss Causes, Reviews, andRemedial Actions• Accident Prevention Procedures• Hazardous Substance Communication901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

About UsMajor Project Timeline2001Modern ContinentalLas Vegas, NVCogeneration Project$150,000,000“Designing & Building Success”Navajo RefiningArtesia, NMDAKCharleston, SCDominionPossum Point, VAWellmanBay St. Louis, MS2002200320042005Install Gas-OilHydrotreater$25,000,000New Polymers Facility$28,000,000Combined Cycle Power Unit$250,000,000P.E.T. Expansion Project$45,000,0002006Acciona EnergyBoulder City, NV64 MW Solar Power Facility$230,000,0002007Bosque PowerLaguna Park, TX2008FP&L Martin Solar Energy CenterIndiantown, FLHolly RefiningArtesia, NM2009Combined CyclePower Unit$175,000,000Martin Hybrid SolarPower Plant - 75MW$400,000,000New ROSE Unit$60,000,000Godawari Green EnergyRajasthan, IndiaBAE SystemsKingsport, TNHollyFrontierEl Dorado, KS201120122013New CSP SolarPlant 50 MW$130,000,000Modernization ofChemical Plant$ 140,000,000Naphtha Fractionationand Splitting$40,000,000www.laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

About UsOur Offices“Designing & Building Success”Corporate Headquarters901 South First StreetAbilene, Texas 79602Phone: 325-670-9660Fax: 325-670-9663Knoxville, TN2160 Lakeside Centre Way, Suite 100Knoxville, Tennessee 37922Phone: 865-690-8610Fax: 865-691-0321Dallas, TX1212 Corporate Drive, Suite 200Irving, Texas 75038Phone: 469-417-7600Fax: 469-417-7650Atlanta, GA3625 Brookside Parkway, Suite 450Alpharetta, Georgia 30022Phone: 678-319-3100Fax: 678-319-3130Houston, TX15990 N. Barkers Landing, Suite 100Houston, Texas 77079Phone: 281-994-4232Fabrication Office550 South 18th StreetAbilene, Texas 79602Phone: 325-734-3704Fax: 325-671-5455Modular Assembly Shop28 First Street NWChoteau, Montana 59422Phone: 406-466-5124Fax: 406-466-5127Calgary, AB, Canada700, 736-6 Avenue SWCalgary, Alberta T2P 3T7Phone: 403-237-7160Fax: 403-237-7166IndiaC401, Delphi Building Orchard Ave.Hiranadani Business Park, PowaiMumbai, India 400076Phone: +91 22 6521 8496901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com901 South First Street • Abilene,TX 79602 • 325.670.9660

Our Clients“Designing & Building Success”NUCLEAR FUEL SERVICES, INC.LS Power, LLC901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Services & CapabilitiesEngineering“Designing & Building Success”Project Development & Controls• Conceptual Capital Cost Estimates• Front End Loading (FEED)• Feasibility Study• Power Cycle Design• Major Equipment Selection• Environmental Permitting Support• Site Development• Financial Modeling & Support• P&ID Development• General Facility Layout• Project Schedule• Project Scope Definition• Budget Installed Cost EstimateMechanical Engineering• Equipment Specifications• Equipment Layouts• Piping Design and Layout• Piping Isometrics• Pipe Support/Hanger Design• Process Skid Design• Steam System DesignCivil/Structural/Architectural• Industrial Steel Design• Foundation Design• Site Development• Architectural Building Development• Substation/SwitchyardInstrumentation Engineering• Control System Design• Instrument Loop Diagrams• Instrument Specifications• PLC & DCS Systems• System ProgrammingElectrical Engineering• Primary Power Service• Electrical Distribution• Facility Lighting• Communication Systems• Fire Detection Systems• Alarm Systems• Energy Analysis• Emergency Electrical Power• Substation/Switchyard• Protective Relay Coordination• Transmission/Distribution SystemInstrumentation Engineering• Control System Design• Instrument Loop Diagrams• Instrument Specifications• PLC & DCS Systems• System ProgrammingStartup & Commissioning• Power Plant Testing• Substation/SwitchyardCAD Drafting and Design• Three Dimensional Modeling• Autocad CADworks• Smart Plant• PDS• Autocad• MicrostationChemical/Process Engineering• Process Flow Diagrams• Energy and Material Balances• Process Simulation• P&ID Development• Unit Operation Control Strategy• Permit Supporting• Process Hazard Analysis• Equipment Specifications• Debottlenecking Studies901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Services & CapabilitiesConstruction“Designing & Building Success”Registered Professional EngineersASME Code Stamps: A, PP, U, S,National Board R StampLicensed ElectriciansConceptual and Budget EstimatesPreliminary and DetailedConstruction Engineering• Civil• Structural• Mechanical• Piping• Electrical• InstrumentationShop Fabrication• Modular Equipment Skids• Modular Piperack Assemblies• Alloy Pipe Fabrication• Pressure Vessels• Custom Control Panels• Specialty Platform Assemblies• Specialty Plate AssembliesPrime Contractor for Wide Spectrumof Process Industries• Electric Power Generation• Polymers and Fibers• Oil and Gas Production/Refining• Pulp and Paper• Chemical Processing• Industrial Fabrication• Special Metals• Alternative EnergyDirect Hire - Construction andMaintenance Services• Millwrights• Boilermakers• Pipe Fitters and Welders• Heavy Rigging• Electricians• Heat Tracing• Instrument Fitters• Instrument Technicians• IronworkersCalibration, Startup, Commissioning901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Services & Capabilities“Designing & Building Success”Electric Power Generation• Full Turn-Key EPC• Solar Thermal Power Plants• Gas Turbine/Generators• Gas Turbine Combined Cycle Plants• Steam Turbine/Generators• Distributed Control Systems• Ash Handling Systems• Turbine Water Induction Prevention• Power Piping Installation• Auxiliary Power Utility Boilers• Burner Management Systems• Baghouse & Flue Gas Duct Systems• Condenser Replacement• Scrubber & Precipitator Systems• Plant Water Supply Systems• Substation/Switchyard Design/BuildIndustrial Fabrication• Equipment Setting & Calibration• Process/Production Lines• Utility Systems• Boiler & Pipe Fabrication• Instrumentation• Full Scope Construction• Detail Design & Engineering• Budget Estimating• Grass Roots or Retrofits• Plant RelocationsSubstation/Switchyard• Civil• Protective Relay Panels• CommissioningOil and Gas/Refining• Kerosene Unit Crude Pumping Stations• Rheinformer Absorption Units• Amine Units• Well Metering and Injection• Sulfur Recovery Units• Water Reclamation Facility• Natural Gas Gathering System• Oily Water Treatment Plant• Refinery Distributed Control Systems• Asphalt Plant Piping• Hydrotreater Units• Naphtha Units• Liquefied Petroleum Gas TerminalChemicals and Polymers• Inorganic Chemical Plants• Fine Chemical Facilities• Organic Chemical Plants• Polymers FacilitiesPulp and Paper• Complete Pulp Mills• Steam Generating Plants• Bleach Plants• TMP Plants• De-Inking Facilities• Paper Machines• Pulping Group• Steam and Cogen Plants• Environmental901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Services & Capabilities“Designing & Building Success”Fabrication FacilitiesAbilene, Texas• 40,000 Square Foot Enclosed Shop Area• 3,500 Square Foot Office Area• 40 Acres of Outside Fabrication and Storage Area• Adjacent Rail Spur• Automated Welding and Cutting Equipment• In-House Full Scope Design Engineering & Detailing• ASME Compliant Quality Assurance Program(A, PP, U, R & S Code Certifications)• Material Purchasing and Expediting• Computerized Scheduling and Tracking Processes• CNC Pipe Bender up to 3” Capacity• State-of-the Art Induction Heat Treatment Equipment• In-house Grit Blasting and PaintingBynum, Montana• 160 Acres of Module Assembly Area• 13,000 SF Heated Warehouse/Shop Area• Canadian Weld Board Certified• Convenient access to Alberta High-Wide Corridor• In-House Full Scope Design Engineering & Detailing• ASME/ABSA Compliant Quality Assurance Program(A, PP, U, R & S Code Certifications)• Material Purchasing and Expediting• Computerized Scheduling and Tracking Processes901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Services & Capabilities“Designing & Building Success”Fabrication ServicesAssemblies• Pipe Spools• Pipe Supports• Process Skids• Pipe Rack Modules• Control Panels• Plate Assemblies• Pressure Vessels• Boiler Components• PlatformsServices• Automatic Welding• Stress Relieving• Polishing• Painting• Grooving• Machining of Special End Preps• Computerized Scheduling and Tracking• Computerized Material ControlLauren Engineers & Constructors is experienced with many different types of materials, includingcarbon steel, stainless steel, aluminum, titanium, inconel, carpenter 20, hastelloy, and chrome moly,including P91. We work under our in-house quality and safety programs and maintain A, PP, U, R & Scode stamps.901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Services & Capabilities“Designing & Building Success”ModularizationIn today’s fast paced construction arena,scheduling and logistics can be the catalystsby which projects are made or broken. Modularconstruction can give a project the edge thatis needed to meet the seemingly unachievableschedules that are often required.Listed below are some primary advantages:• Reduction of field manpower requirements• Mitigation of permitting delays• Average cost savings of 30% overon-site construction• Simpler and safer field erectionProcess skids and pipe-rack modules can beready to set in place and connected to adjacentprocesses with ease. Our staff of engineers,designers, fabricators and constructors can help tomake your next project’s scheduling manageable.From the conceptual stage throughengineering, fabrication and installation, weare ready to meet the challenge. With ourmultiple craft disciplines and nearly 200 acres offabrication and storage space between our twofacilities, we can custom build to your specificproject requirements. We have the experience topull it all together.Other capabilities include:• Process Control Systems• Automation of Custom MaterialHandling Systems• PLC Programming• Control Panel Design, Fabricationand Circuit Verification901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Services & Capabilities“Designing & Building Success”PowerLauren and its acquired companies havebeen providing services to the electric powerindustry for six decades. This began with designengineering services in the 1950s and nowincludes full capability engineering, procurementand construction services.Lauren’s background includes design-buildservices for many power projects, includingnumerous generation, transmission, andsubstation projects.Generation projects have included gas/oilfired steam electric stations, combustion turbinefacilities in both simple and combined cycle, andcoal and lignite fired plants. These have includedprojects at green field sites, add-on units, repowerprojects, and renovation and betterment projects.Lauren maintains a wealth of engineeringand construction experience related to numerouscombustion turbine installations, simple andcombined cycle. These projects have utilized GELM6000, 7EA, 7FA and Siemens WestinghouseV84.2, V84.3, V84.3A, 501D, and 501F engines.Transmission projects have included voltagesup to 230 kV and substation projects haveincluded voltages up to 345 kV.Lauren has built a reputation for designingand constructing high value, efficient powerplants. Our projects have been among the leadersin $ per kW and several projects have beennamed “Pacemaker Projects” by Power Magazine.901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Services & Capabilities“Designing & Building Success”Alternative EnergyLauren is a leading EPC contractor servingthe alternative energy sector. Lauren served asthe EPC contractor for FPL’s Martin Solar PowerProject, a 75 MW Hybrid Solar Plant located inIndiantown, Florida. The Martin Solar PowerPlant is the second largest solar power plantin the world. Lauren also served as the EPCcontractor for the 64 MW Nevada Solar Oneparabolic trough solar thermal power generatingfacility near Boulder City, Nevada. At completionin 2007, Nevada Solar One was the largest solarthermal project to be built in over 17 years andthe third largest in the world. Lauren is alsoactive in biodiesel process design, freshwaterrecovery from brine, and oil sands process plantconstruction.Lauren’s experience encompasses projectconceptual design studies during the early projectdevelopment phase through turn-key engineering,procurement, and construction. Lauren is alsowell experienced in plant commissioning andstart-up. Lauren routinely self-performs allaspects of project execution with a dedicatedengineering group, experienced site supervisionand a large direct-hire construction craft base.Most simply, Lauren has the experience toget the job done. From beginning to end, Lauren’sproject approach increases value for ourcustomer through:• Superior technical competence• Accessibility to top management• Responsiveness (low bureaucracy)• Innovative project approaches• Industry-leading safety record• Partnership with NCCER forcraft training901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Martin Next Generation Solar Energy CenterFlorida Power & LightIndiantown, FloridaLauren was selected as the EPC contractor to build a 75 MW power generating facility inIndiantown, FL - the largest-capacity solar thermal plant to be built in the last two decades and thesecond largest in the world. The project was located on 500 acres of land adjacent to FPL’s MartinPlant. Using Parabolic Trough Technology to capture heat from the sun, this project includedapproximately 190,000 parabolic mirrors, generating 155,000 MWh of power annually – enough powerfor 11,000 homes or 26,000 people. At the time of completion, the plant was the second largest solarthermal powerplant in the world, the largest solar thermal plant outside of California, and the first hybridsolar facility in the world to connect to an existing combined-cycle power plant.Project ContactDavid McWright325-734-3835david.mcwright@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Nevada Solar OneSolargenix EnergyBoulder City, NevadaLauren was selected as the EPC contractorto build Nevada Solar One (NSO) - a 64 MWpower generating facility in Boulder City, Nevada -the largest-capacity solar thermal plant to be builtin the last 17 years and the third-largest in theworld. The project uses the latest in concentratingsolar technology.The plant consists of a Power Block area anda 400-acre field of mirror arrays that focus theheat of the desert sun into a heat transfer fluidsystem. Completion date was the third quarter of2007.• $250 Million Solar Plant• 64 MW of Solar Power• Power for 48,000 Homes• 3rd Largest Solar Plant in the World• 219,000 Parabolic Mirrors• 1.5 Million Man-hours• 14 Month Fast-track EPC Project• 700 Craft Personnel During PeakConstruction EffortsProject ContactClint Rosenbaum325-734-3717clint.rosenbaum@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Godawari Solar ProjectGodawari Green Energy Ltd.Gujarat, IndiaThe Godawari (guhd-awe’-ree) Solar Project, located in the Indian state of Rajasthan, about 50km from the Pakistan border, was an EPC contract with Godawari Green Energy Limited that includedthe design, procurement and construction of a 50 MW Concentrated Solar Power (CSP) facility. TheGodawari Solar Project utilizes 12m Euro Trough frames with over 161,000 mirrors, combining for a totalof 120 loops, which circulate 1,100 metric tons of HTF fluid. The project is located on 400 acres of landand provides 130 GWh of power to the national grid annually. The Godawari Solar Project was one of sixprojects in Phase 1 of India’s National Solar Mission.Project ContactRon Johnson325-734-3915ron.johnson@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Genesis Solar Power ProjectNextEra EnergyBlythe, CaliforniaLauren provided construction services through a Joint Venture with Blythe Power Constructors(BPC) for this 250 MW NextEra Energy-owned and operated project. Four separate contracts wereawarded to BPC. The first involved assembly and installation of pylons and frames. The secondwas for underground services piping in the solar fields and power blocks. The third contract involvedfabrication and installation of the heat collector elements along with all of the small bore interconnectingpiping for HTF. The final contract involved the 90,000 LF of large bore carbon steel piping. Thiscontract was amended to include the award of the common area water treatment plant mechanical workincluding structural steel, equipment installation, and piping.Project ContactJuan Fernandez325-518-0448juan.fernandez@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Cargo Solar Power FacilityCargo PowerGujarat, IndiaThis project – Gujarat Solar One – involves an EPC contract for the Engineering, Procurement,and Construction of a 25 MW Concentrated Solar Power (CSP) facility, including thermal storage.Project ContactRon Johnson325-734-3915ron.johnson@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Reliance Solar Power ProjectReliance PowerRajasthan, IndiaLauren was selected as the Owner’s Engineer for a 125 MW Solar Thermal Power Plant located inRajasthan, India.Project ContactJack Shoemate469-417-7602jack.shoemate@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Brine Concentrator “C” InstallationEntegra Power Group, LLCGila Bend, ArizonaLauren was responsible for the construction of a third Brine Concentrator (BC-C) at the GilaRiver Power Station in Gila Bend, Arizona. Lauren’s scope included the receipt and installation ofthe brine concentrator, ancillary equipment, structural steel, piping, and electrical and instrumentationcomponents provided by the BC system vendor’s scope of supply. Lauren also was responsible forthe supply and installation of all Balance of Power (BOP) material and components outside the BCsystem vendor’s scope of supply. Lauren began work on the facility in June of 2010, with mechanicalcompletion achieved three weeks ahead of schedule.Project ContactJerry Hobbs865-246-1136jerry.hobbs@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Lime Slaker Retrofit ProjectALSTOM Power, Inc./Omaha Public Power DistrictNebraska City, NebraskaThe scope of this project involved the installation of a lime slaking system (“slaker-in-a-can”) thatconverts pebble lime to lime slurry to be injected into an existing flue gas desulfurization system. Themain component of the system is a field erected steel vessel 22’ diameter by 100’ tall with a solidsstorage silo, two equipment operating levels, and a slaking tank on the bottom. Lauren installed thevessel, all mechanical equipment, auger cast piles and pile cap, foundations, and extended existingpump building. Lauren’s scope included associated balance of plant piping and electrical systems andinstrumentation.Project ContactJerry Hobbs865-246-1136jerry.hobbs@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Cogeneration Facility ProjectCNRLFt. McMurray, Alberta, CanadaCanadian Natural Resources Limited (CNRL) contracted Lauren to perform ConstructionManagement services to assist with the installation of a new co-generation plant in Ft. McMurray,Alberta, Canada. Scope of Lauren’s work included managing the construction execution plan up to thepre-commissioning activities for all co-gen plant facilities, including water treatment, steam and powergeneration block, natural/fuel gas system, transmission and main substation, and satellite operationscenter. This project represents a small portion of the CNRL Horizon Oil Sands Project. The entireCNRL project (valued at $7.5 Billion) is focused on developing the available bitumen reserves that arerecognized in the oil sands by installing facilities to mine the oil sands, extract the bitumen, and upgradethe bitumen to generate synthetic crude oil to be sold as a product.Project ContactJohn Henson325-734-3944john.henson@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Las Vegas Cogen ProjectBlack Hills EnergyLas Vegas, NevadaLauren performed the engineering, procurement, and construction of an additional 225 MW ofgeneration capacity to Black Hills’ Las Vegas Cogeneration II Power Plant. Scope of work included fourLM 6000 gas turbine generators in combined cycle, two 28 MW steam turbine generators, four oncethruheat recovery steam generators, gas turbine inlet chilling systems, and all required balanceof plant equipment.Project ContactMike Breed325-518-6111mike.breed@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”BAE Cogen ProjectBAE SystemsKingsport, TennesseeBAE Systems awarded Lauren an engineering, procurement, and construction contract fora natural gas cogeneration plant within the Holston Army Ammunition Plant in Tennessee. Thescope involved supplying a natural gas-fired turbine/generator, HRSG, and auxiliary equipment withall engineering and construction services necessary for the installation of a new plant. The plantgenerates six megawatts of electricity and 70,000 pounds per hour of process steam. The combustionturbine/generator was the first to be installed at the Holston plant and was engineered to help reduceboth emissions and operation costs for the client.Project ContactRalph Elkins865-246-3453ralph.elkins@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”550 MW Combined Cycle ProjectDominion EnergyDumfries, VirginiaLauren was the General Contractor for the installation of a 550 MW combined cycle power plant.Project consisted of 2 GE 7FA combustion turbines, two heat recovery steam generators, one 200 MWsteam turbine, one 8 cell cooling tower, water treatment facility, one 2 million gallon demineralized waterstorage tank, one 2.25 million gallon fuel oil storage tank, fuel unloading facility, 3 GSU transformers,all underground ductbanks and utilities, 96” circulating water system, piping river water intake pumpsystem, and final site work/roads. The project was located in an existing coal-fired power plant facility.Project was a ground-up installation through start-up and commissioning.Project ContactJerry Hobbs865-246-1136jerry.hobbs@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”510 MW Simple Cycle Power FacilityOld Dominion Electric CooperativeLouisa County, VirginiaLauren was responsible for the greenfield installation of 4 dual fuel GE 7EA’s and 1 dual fuelGE 7FA combustion turbine. Project scope also included fuel unloading and storage facility, gasconditioning equipment, startup and commissioning and plant building. This was a fast-track projectwith a 14-month schedule from award to commercial operation.Project ContactJerry Hobbs865-246-1136jerry.hobbs@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Batesville Water Treatment ProjectLS Power, LLCBatesville, MississippiLauren was responsible for the engineering, procurement and construction of a 5,500,000 gpdcpre-treatment system for plant cooling and de-mineralized water at the LS Power, LLC BatesvilleEnergy Plant. The basis of the design was a Kruger clarifier system that included coagulation, chemicalinjection, maturation and settling. The work included design and construction of civil works, mechanical,piping, electrical and instrumentation systems.Project ContactBryce Anders325-734-3811bryce.anders@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Mustang Station Generating Plant ProjectLS Power, LLCDenver City, TexasLauren was responsible for the design and construction of a water-gathering system for a 500 MWmerchant power plant located in West Texas. Scope of work included development of approximately 40water wells, booster pump station, pipelines, control systems, and SCADA system for operation of theplant water supply system.Project ContactJeff Hocke325-734-3740jeff.hocke@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Lignite-Fired Power Plant ProjectSan Miguel Electric CooperativeSan Miguel, TexasLauren was responsible for all design and procurement of this green field, single-unit lignite-firedpower plant for the San Miguel Electric Cooperative. The plant burns Texas lignite and is located atthe mine mouth. The plant has a generating capacity of 450 MW. The back end environmental controlequipment included an electrostatic precipitator, SO2 scrubber and flue gas desulfurization wastetreatment system. The plant was designed for zero discharge and recognized for its low $ cost per KWand high availability.Project ContactClint Rosenbaum325-734-3717clint.rosenbaum@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Frontera Power Station ProjectCSW, Inc.Mission, TexasLauren was named “Owner’s Engineer” for this 500 MW 2x1 combined cycle plant project.Responsibilities included due diligence review of design, procurement, and construction, all off sitefacilities, and construction management. This project consisted of two GE 7FA combustion turbines,two Nooter/Eriksen HRSGs and an ABB steam turbine.Project ContactRobert Heard325-734-3739robert.heard@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Batesville Substation ProjectLS Power, LLCBatesville, MississippiLauren was responsible for the design and construction of a new 161/230 kV substation andtransmission lines for an 834MW merchant power plant, located in Mississippi. Scope of work includeddesign and installation of eight 161 kV overhead lines for connections to plant GSU and AuxiliaryTransformers, two 161 kV transmission lines to interconnect with a TVA substation, and one 230 kVtransmission line to interconnect with an Entergy substation. Design and installation of the substationincluded (13) 161 kV Circuit Breakers, (18) 161 kV disconnect switches, four 240/320/400 MVA 161-230 kV auto-transformers, rigid bus systems (rated 161kV and 230 kV), control building, AC and DCauxiliary power systems, protective relay panels for substation and transmission line protection, and aSCADA RTU system.Project ContactGary Young325-734-3714gary.young@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Simple Cycle Power Facility ProjectGolden Spread Power CooperativeDenver City, TexasLauren performed the detailed engineering of a 180 MW 2x1 simple cycle gas turbine (Unit 5)at Mustang Station. Following on the heels of Lauren’s successful completion of Unit 4, this contractincluded detailed engineering as well as a partnership for the EPC installation.Project ContactClint Rosenbaum325-734-3717clint.rosenbaum@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Northeastern Power Station Repower ProjectCentral and South West Services, Inc.Oolagah, OklahomaLauren was responsible for the EPC work for the Northeastern Unit 1 repower project. The projectincluded the installation of two GE 7FA combustion turbines and Nooter/Eriksen supplemental firedheat recovery steam generators (HRSG) to repower an existing 175 MW Westinghouse steam turbine.This repowered 2x1 combined cycle plant produces a combined output of approximately 500 MW.Design responsibilities included all support facilities for the new combustion turbines and HRSGsas well as design of piping systems to interface with the existing steam turbine cycle piping. Lauren’sresponsibilities also included overall management of the design and construction work as the EPCcontractor.Project ContactClint Rosenbaum325-734-3717clint.rosenbaum@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Oklaunion Power StationCentral and Southwest Services, Inc.Vernon, TexasThe scope of this project included the design and procurement responsibility for this 720 MWsub-bituminous coal-fired power plant. The back end environmental control equipment included anelectrostatic precipitator, SO2 scrubber, and flue gas desulfurization waste treatment system.Project ContactClint Rosenbaum325-734-3717clint.rosenbaum@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Gibbons Creek Steam Electric StationTexas Municipal Power AuthorityBryan, TexasThe scope of this project included the design and procurement responsibility for this 450 MWlignite-fired plant. The back end environmental control equipment included an electrostatic precipitatorand SO2 scrubber.Project ContactClint Rosenbaum325-734-3717clint.rosenbaum@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Escalante Power PlantPlains Electric Generation Cooperative, Inc.Prewitt, New MexicoLauren’s prime contract required additions to an existing building to house new steam generationand water treatment equipment. Additionally, the work scope included new steam piping, electrical,power wiring, instrumentation systems, thermal insulation and painting.Project ContactGary Young325-734-3714gary.young@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Cogeneration Unit AdditionSid Richardson Carbon & Energy Co.Big Spring, TexasLauren was responsible for the engineering design, equipment procurement specification andcontract administration for a 24 MW electricity generating plant utilizing a Rentech Waste Heat Boiler,Siemens ST 3-C Steam Turbine Generator and Marley Air Cooled Condenser. This project involvedinstallation of a cogeneration unit at Sid Richardson Carbon Company’s Big Spring Carbon Black Plant,located in Big Spring, TX. The waste heat boiler utilizing flue gas from the incinerator was used toprovide steam to the 24 MW turbine-generator. The work included design of civil, mechanical, piping,electrical and instrumentation systems.Project ContactJack Shoemate469-417-7602jack.shoemate@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”501 Simple Cycle Power PlantSiemens Westinghouse Power Corp.Bennett Mountain Power Project, Mountain Home, IDEvander Andrews Power Project, Elmer County, IDScope included all engineering services for a 164 MW 501F simple cycle power plant facility,adding 164 MW of generating capacity.Project ContactJack Shoemate469-417-7602jack.shoemate@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Simple Cycle Power PlantOmaha Public Power District/SiemensCass County, NebraskaThis project involved Two (2) 501F combustion turbines in simple cycle. Lauren designed the sitework, concrete structures, plant buildings, balance of plant mechanical systems and balance of plantelectrical systems for this 322 MW plant in Cass County, Nebraska.Project ContactClint Rosenbaum325-734-3717clint.rosenbaum@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Simple Cycle Power PlantBrazos Electric Power CooperativePalo Pinto, TexasLauren and acquired companies have performed numerous projects for the Randall Miller PowerPlant. Specifically, Lauren performed all of the plant engineering design at the plant, including thedesign of the steam units 1, 2 and 3 and the simple cycle gas turbine units 4 and 5. The most recentproject, involving units 4 and 5, involved the design and procurement of two (2) Westinghouse 501Ds,as well as an addition/upgrade of the 138kV switchyard and a new water treatment system.Project ContactClint Rosenbaum325-734-3717clint.rosenbaum@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Simple Cycle Power PlantOglethorpe / Siemens PowerSewell Power Station, Cedar Town, GeorgiaSmarr Power Station, Smarr, GeorgiaThis Simple Cycle project involved engineering services for two (2) Siemens V84.2s, and two (2)Siemens V84.3s. Detailed Engineering for both stations included site work and foundations, as well asunderground mechanical and electrical.Project ContactClint Rosenbaum325-734-3717clint.rosenbaum@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Combined Cycle Power PlantAssoc. Electric Coop./Siemens Westinghouse Power Corp.Campbell, MissouriThis combined cycle project at St. Francis Power Station added 245 MW of power utilizing two(2) Siemens V84.3A, two (2) Siemens steam turbines, and two (2) ATS HRSGs. Detailed engineeringscope included site work, foundations, underground mechanical and electrical, and critical pipingsystems.Project ContactClint Rosenbaum325-734-3717clint.rosenbaum@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Hydroelectric Turbine RefurbishmentGE HydroBoydton, VirginiaThe scope of this project involved a six-unit refurbishment of the John H. Kerr Powerhousein Boydton, Virginia. The project was managed by GE Hydro, a unit of GE Power Systems, andincreased the plant output by more than 70 MW. The project, completed in 2010, involved therefurbishment of six vertical Francis turbines and generators at the John H. Kerr Dam, which ismanaged by the U.S. Army Corps of Engineers.Project ContactGary Milligan325-518-6258gary.milligan@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”UT Austin Gas Turbine ProjectUniversity of TexasAustin, TexasLauren Engineers and Constructors performed detailed engineering design developed asa joint effort with Jacobs-Carter & Burgess. The LM 2500/30 MW Combined Heat and Powerproject included the demolition of an existing 13 MW gas turbine generator and waste heat boilerand the installation of a new 30 MW gas turbine generator and waste heat boiler. The boiler wasdesigned to produce 192,700 lb/hr of steam at 450 psig/765 degrees.Project ContactJack Shoemate469-417-7602jack.shoemate@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com

Power“Designing & Building Success”Pipe Racks for Combined Cycle Power PlantSiemensLa Caridad, MexicoThe scope of this project involved the engineering, fabrication and assembly of twopipe racks for Siemens’ combined cycle power plant in La Caridad, Mexico. Specifically, theengineering involved the design of all structural members and tower supports for the pipe rack.The fabrication involved two identical pipe racks including pipe, painting, NDE, heat tracing,instrumentation and insulation. The dimensions of the pipe racks vary from 8x8x67, 14x12x25,14x12x74 & 14x9x54.Project ContactBill Holmes325-734-3889bill.holmes@laurenec.com901 South First Street • Abilene, TX 79602 • 325-670-9660 • laurenec.com