A Diversified International

Construction Company

Introduction

PRIMORIS SERVICES

CORPORATION

ARB Structures,

Inc.

Cardinal Contractors,

Inc.

Onquest, Inc. Cardinal Mechanical

Primoris Renewable Resources

Onquest Heaters, Inc.

Born Heaters of Canada,

Ltd.

ARB, Inc.

ARB International

LTD

ARB Ecuador Cia, Ltda.

ARB Arendal, S.de R.L. de

C.V. 49%

Primoris Services Corporation

History and Milestones

1946 1983 1989 1991 1992 1993 1994 20062002 2004

Acquires Oilfield Construction Co. (CA)

- Expertise in the construction of energy processing facilities

- Formed basis of the Industrial Group

2005

Acquires Harco- Develop directional drilling expertise

Acquires OFCCO Constructors (CA) - Expanded ARB’s California customer base and

industrial construction expertise

Acquires Macco Constructors, Inc. (CA)- Established ARB as the largest pipeline

construction company in California- Increased presence in Los Angeles basin

1996

Acquires Cardinal Contractors (FL)- Expertise in design/build

water/wastewater facilities- Establishes footprint in Florida

Onquest acquires Born Canada (Alberta)- Refinery furnace designers- Burner management engineered systems

Acquires Saffel & McAdam (CA) - Establishes ARB’s concrete structure

design and construction capabilities- Formed basis of the Structures Group

First entry into foreign markets/South America

Develops Steel Structure capabilities

2007

Specializes in designing and supplying high performance furnaces for the oil industry

Process engineering and modeling of process plants

Furnishes environmental solutions

Separated from Macco-Robertson

Primoris is formed

On track to achieve record level of EBITDA and backlog

Brian Pratt becomes President

- Grows ARB from a $15mm revenue business in 1983 to the Company’s current size

1960

Separated from Alex-Robertson ARB is incorporated as separate

state organization

Energy crisis in late 2000/early 2001

2008

Rhapsody merger(Public)

Organization• Established in 1946• Publicly Traded California

Corporation• Diversified General

Contractor• ENR ranked #104

domestically in 2008 and 36 among international contractors

• Top Industrial and Underground contractor on West Coast

• 2008 Domestic Revenue - $650,000,000+

• 2008 International Revenue - $100,000,000

Operating Groups

• Industrial• Underground

Underground

• Pipeline - Oil & Gas, Refined Products, Chemicals, Water & Sewer

• Fiber Optic • Rehabilitation• Electric Transmission• Gas Distribution• Emergency Repair &

Testing• Horizontal Directional

Drilling

Industrial• Refinery & Petro-

Chemical • Power Generation• Renewable Energy• Alternative Fuels• Water/Wastewater• Liquid Terminals• Oil & Gas Facilities• Mining &

Manufacturing• Industrial Process

Plants• Central Plants• Fabrication

Operating Locations

QuitoEcua

dor

Pittsburg Baker

sfield

Monterrey

Lake Forest

Houston/ConroeMexico

United States

Las Vegas

Domestic Lake Forest, CA Bakersfield, CA Las Vegas, NV Pittsburg, CA Houston, TX Conroe, TX San Diego, CA San Francisco,

CA Sarasota, FLInternational Monterrey,

Mexico Quito, Ecuador

San Diego

San Francisco

Sarasota

ARB has earned a reputation for:

• Customer focus• Diverse specialties• Experienced management• Self performing labor force• Innovative solutions• Quality workmanship• Cost and schedule performance• Providing an injury free workplace

• Sr. Management Safety Committee• Project specific safety planning• Behavior Based Safety• Craft Safety Observer program• Nearly 15 million man-hours in 2007 & 2008• Current TRIR .96

Management Commitment to Safety

Equipment

• Largest contractor owned equipment fleet on the West Coast

• Experienced maintenance personnel• Equipment fleet strategically located throughout California• Most modern equipment fleet in the industry meeting

AQMD Tier 2 requirements (meets Port of LA requirements)

• ARB’s plan is to meet AQMD Tier 3 requirements within the next two years

Corporate Headquarters Equipment Yard

Scheduling

• P3 & P5 CPM scheduling• Project team ownership• Resource loaded for earned value & manpower planning• 3-week look-ahead developed from P3 schedule• Focus on system turnover packages for

commissioning/start-up

Cost Control

• Budgets established with coding structure• Committed cost system• Quantity tracking for earned value• Change management system

Project Experience

Elk Hills Power Plant

500 MW 2x1 GE 7FA CTGOwner – El Hills Power, LLCEngineer – Merchant Power Engineers & Constructors (Parsons)Tupman, CaliforniaCivil/Foundations, HRSG Erection, CTG & STG Erection,Structural steel, piping and balance of plant equipment

Project Experience

Otay Mesa Generating Station

540 MW 2x1 GE 7FA CTG, Siemen’s STGOwner – Calpine CorporationEngineer – Burns & RoeLocation – San Diego, CaliforniaScope - Civil/Foundations, ACC Erection, CTG & STG Erection,Structural steel, piping and balance of plant equipment

Project Experience

Niland Gas Turbine Plant

100 MW - Dual GE LM 6000 Gas Combustion TurbinesOwner – Imperial Irrigation DistrictEngineer – Harris GroupLocation - Niland, CaliforniaScope – Complete turn-key green-field construction including Civil/Foundations, HRSG Erection, CTG & Structural steel, I&E, piping and balance of plant equipment

Project Experience

Moss Landing Power Plant

1060 MW Combined Cycle Power Plant4x2 GE 7FA CTGOwner – Duke EnergyEngineer – Duke/Fluor DanielMoss Landing, CaliforniaHRSG erection, high energy piping installation

Project Experience

Paramount Petroleum

Paramount added gasoline productionand clean burning diesel to its existing capabilities in 2005.

ARB installed all carbon and alloy piping for the two new units.

Project ExperienceBP Refinery - Carson

Prime contractor• Rule 1105 Electrostatic Precipitator Project• Fluid Feed Hydro Desulfurization Unit

Engineer – Jacobs & Fluor

Location – Carson, California

Scope – Cast in place piles, foundations, structural steel, equipment erection, piping, I&E

Project Experience

Hydrogen Reformer

Hydrogen Reformer 96 SCFMMDOwner – Air Products & Chemical, Inc.Engineer – KTICarson, CaliforniaErect hydrogen reformer heater, convection section and related piping.

Project Experience

Hydrogen Reformer

Hydrogen Reformer 115 MMSCFD

Owner – PraxairEngineer – LurgiRichmond, CaliforniaChevron RefineryComplete turn-key green-field plant

• 15,000 cu yds concrete• 1800 tons structural steel• 80,000 LF Piping• 1,000,000 Man-hours

Project ExperienceQuartz Hill Water Treatment FacilityLos Angeles County, CA

90 MGD capacityOwner – Antelope Valley East Kern Water AgencyEngineer – Montgomery WatsonWash-water Basin, Chlorine Contact basin, Chemical Facilities,Ozone Generation Building, New Filters and Re-build of Clarifiers

Project Experience

Solar Experience

• ARCO Solar – Carissa Plains, CA - 1,550 PV panel assemblies, civil, structural, mechanical assembly

• LUZ project at Kraemer Junction, California at the SEGS (Solar Electric Generating Station) Units 8 & 9. Parabolic trough installation in 80 MW blocks for each unit. Included the fabrication and installation of structural steel, rebar and concrete work

• Roof mounted PV panels, such as Santa Monica parking structure

Solar photovoltaic panels installed at the ARCO Solar facility at Carrisa Plains, California

Project Experience

Southern California Gas Company19 Miles of 24-inch Natural Gas PipelineEtiwanda through Fontana to the Mountain View Power Plant in San Bernardino, CA

Southern California Edison10 Miles of 16 and 24-inch PipelinePort of Los Angeles to Dominguez, CA

Kinder Morgan Energy Partners70 Miles of 20-inch Pipeline Concord to Sacramento, CA

Sampling of Clients• ABB• Air Products• Alstom Power• BP• Bechtel• Black & Veatch• British Petroleum / Amoco• California Energy Co., Inc.• Calpine Corporation• ChevronTexaco Corp.• ConocoPhillips• County Sanitation Districts, Los

Angeles• Department of Water Resources• Duke Energy• Dynegy• Edison/Mission Energy• Elk Hills Power LLC• Fluor Constructors• Kinder Morgan

• Long Beach Gas & Oil Dept.• Los Angeles Dept. of Water & Power• Occidental• Pacific Gas & Electric • Peerless Manufacturing Company• Pemex• Plains All American• Port of Long Beach• Port of Los Angeles• Port of San Diego• Praxair• Raytheon• Reliant Power• Siemens Westinghouse• Sempra Energy• Shell Oil• Sunrise Power, LLC• Tesoro• U. S. Borax & Chemical Co.• Valero Energy

Why ARB ?

• Well established industrial contractor committed to community• Experienced in Renewable Energy & Alternative Fuels• Financial stability• Large capital project experience• Largest established craft labor force in California and the West• Strong local subcontractor relationships• Competent project management and staff• Proven track record of completing safe, quality projects• Success with target contracting delivery• Construction environmental mitigation compliance• Outstanding relationship and reputation with local Building Trades• Largest equipment fleet on the West Coast• Experience with project labor agreements• Active in local labor politics

Questions?

Thank You