WASHINGTON GROUP INTERNATIONAL, INC.

BUILDING TOMORROW TOGETHER

Waste handling services, namely, incineration of toxic chemical gases;Waste handling services, namely, packaging for storage, storage, and transportation of radioactive waste;News magazine in the fields of large construction projects, engineering, project management, facility start-up, operations and maintenance, and shut-down and decommissioning;Construction services, namely, construction of military bases, storage facilities, pharmaceutical plants, food and beverage plants, oil refineries, fiber optics cable facilities, electronic chip manufacturing facilities, highways, bridges, rail systems, dams, hydroelectric plants, power generating plants, and chemical agent disposal facilities; collection and removal of radioactive waste; disposal of radioactive waste; construction planning services in the fields of threat reduction, defense infrastructure, environmental remediation, nuclear processing, power generating, mining, manufacturing facilities, rail systems, highways and bridges, airports, dams, hydroelectric plants, hazardous waste, high hazard facilities, chemical agent disposal and geologic evaluation;Business management services in the fields of oil refining, radioactive and hazardous waste processing and mining safety and facilities management;Security services, namely, threat simulations, vulnerability analysis and mitigation, emergency and crisis response and deployment of security technology, namely, airborne nuclear, chemical and biological material detectors and unconventional nuclear warfare defense systems; consultation services regarding the safety needs of commercial and industrial companies and government agencies in the fields of refining, radioactive and hazardous waste processing and mining;Technical services, namely, engineering studies, conducting economic feasibility studies and technical feasibility studies, conceptual and detail design for others of processing facilities, buildings and other structures, in the fields of threat reduction, defense infrastructure, environmental remediation, nuclear processing, power generating, mining, manufacturing facilities, railway systems, highways and bridges, airports, dams, hydroelectric plants, hazardous waste, high hazard facilities, chemical agent disposal and geologic evaluation;

CMKO

construction and repair services in connection with public and private sector projects; namely, construction of dam sites and utility facilities, construction of bridge, road, rail, marine and air transportation facilities, and construction of industrial facilities;MCKO;

EBASCO

Waste handling services, namely, incineration of toxic chemical gases;Waste handling services, namely, packaging for storage, storage, and transportation of radioactive waste;News magazine in the fields of large construction projects, engineering, project management, facility start-up, operations and maintenance, and shut-down and decommissioning;Construction services, namely, construction of military bases, storage facilities, pharmaceutical plants, food and beverage plants, oil refineries, fiber optics cable facilities, electronic chip manufacturing facilities, highways, bridges, rail systems, dams, hydroelectric plants, power generating plants, and chemical agent disposal facilities; collection and removal of radioactive waste; disposal of radioactive waste; construction planning services in the fields of threat reduction, defense infrastructure, environmental remediation, nuclear processing, power generating, mining, manufacturing facilities, rail systems, highways and bridges, airports, dams, hydroelectric plants, hazardous waste, high hazard facilities, chemical agent disposal and geologic evaluation;Business management services in the fields of oil refining, radioactive and hazardous waste processing and mining safety and facilities management;Security services, namely, threat simulations, vulnerability analysis and mitigation, emergency and crisis response and deployment of security technology, namely, airborne nuclear, chemical and biological material detectors and unconventional nuclear warfare defense systems; consultation services regarding the safety needs of commercial and industrial companies and government agencies in the fields of refining, radioactive and hazardous waste processing and mining;Technical services, namely, engineering studies, conducting economic feasibility studies and technical feasibility studies, conceptual and detail design for others of processing facilities, buildings and other structures, in the fields of threat reduction, defense infrastructure, environmental remediation, nuclear processing, power generating, mining, manufacturing facilities, railway systems, highways and bridges, airports, dams, hydroelectric plants, hazardous waste, high hazard facilities, chemical agent disposal and geologic evaluation;

EBASCO UTILITY CONSULTANTS ENGINEERS CONSTRUCTORS

Waste handling services, namely, incineration of toxic chemical gases; disposal of radioactive waste;The mark consists of the words Utility Consultants in a half circle above the word EBASCO with the words Engineers and Constructors in a half circle under the word EBASCO. A dot separating the words Utility Consultants, Engineers and Constructors.;Waste handling services, namely, packaging for storage, storage, and transportation of radioactive waste;News magazine in the fields of large construction projects, engineering, project management, facility start-up, operations and maintenance, and shut-down and decommissioning;Construction services, namely, construction of military bases, storage facilities, pharmaceutical plants, food and beverage plants, oil refineries, fiber optics cable facilities, electronic chip manufacturing facilities, highways, bridges, rail systems, dams, hydroelectric plants, power generating plants, and chemical agent disposal facilities; collection and removal of radioactive waste; construction planning services in the fields of threat reduction, defense infrastructure, environmental remediation, nuclear processing, power generating, mining, manufacturing facilities, rail systems, highways and bridges, airports, dams, hydroelectric plants, hazardous waste, high hazard facilities, chemical agent disposal and geologic evaluation;Color is not claimed as a feature of the mark.;Business management services in the fields of oil refining, radioactive and hazardous waste processing and mining safety and facilities management;Security services, namely, threat simulations, vulnerability analysis and mitigation, emergency and crisis response and deployment of security technology, namely, airborne nuclear, chemical and biological material detectors and unconventional nuclear warfare defense systems; consultation services regarding the safety needs of commercial and industrial companies and government agencies in the fields of refining, radioactive and hazardous waste processing and mining;UTILITY CONSULTANTS ENGINEERS CONSTRUCTORS;Technical services, namely, engineering studies, conducting economic feasibility studies and technical feasibility studies, conceptual and detail design for others of processing facilities, buildings and other structures, in the fields of threat reduction, defense infrastructure, environmental remediation, nuclear processing, power generating, mining, manufacturing facilities, railway systems, highways and bridges, airports, dams, hydroelectric plants, hazardous waste, high hazard facilities, chemical agent disposal and geologic evaluation;

INTEGRATED ENGINEERING, CONSTRUCTION, AND MANAGEMENT SOLUTIONS

Building construction and building construction planning services in the field of military bases, storage facilities, pharmaceuticals plants, food and beverage plants, oil refineries, fiber optics cable facilities, electronic chip manufacturing facilities, highways, bridges, rail systems, water resource projects, dams and hydroelectric plants and power generating plants;Business management services, in the fields of threat reduction, homeland security and defense infrastructure, nuclear processing, high hazard facilities, nuclear and toxic hazardous waste, manufacturing facilities in food and beverage industries, pharmaceutical industry and manufacturing, light rail, highways and bridges, airports, water resources, dams and hydroelectric plants and power generation and mining;ENGINEERING, CONSTRUCTION, AND MANAGEMENT SOLUTIONS;Technical consulting services namely economic and technical feasibility studies, design for others in the fields of threat analysis, environmental remediation, power generating, mining, manufacturing facilities, rail systems, highways and bridges, airports, water resources, hazardous wastes and high hazard facilities;

LITWIN

Waste handling services, namely, incineration of toxic chemical gases;Waste handling services, namely, packaging for storage, storage, and transportation of radioactive waste;News magazine in the fields of large construction projects, engineering, project management, facility start-up, operations and maintenance, and shut-down and decommissioning;Construction services, namely, construction of military bases, storage facilities, pharmaceutical plants, food and beverage plants, oil refineries, fiber optics cable facilities, electronic chip manufacturing facilities, highways, bridges, rail systems, dams, hydroelectric plants, power generating plants, and chemical agent disposal facilities; collection and removal of radioactive waste; disposal of radioactive waste; construction planning services in the fields of threat reduction, defense infrastructure, environmental remediation, nuclear processing, power generating, mining, manufacturing facilities, rail systems, highways and bridges, airports, dams, hydroelectric plants, hazardous waste, high hazard facilities, chemical agent disposal and geologic evaluation;Business management services in the fields of oil refining, radioactive and hazardous waste processing and mining safety and facilities management;Security services, namely, threat simulations, vulnerability analysis and mitigation, emergency and crisis response and deployment of security technology, namely, airborne nuclear, chemical and biological material detectors and unconventional nuclear warfare defense systems; consultation services regarding the safety needs of commercial and industrial companies and government agencies in the fields of refining, radioactive and hazardous waste processing and mining;Technical services, namely, engineering studies, conducting economic feasibility studies and technical feasibility studies, conceptual and detail design for others of processing facilities, buildings and other structures, in the fields of threat reduction, defense infrastructure, environmental remediation, nuclear processing, power generating, mining, manufacturing facilities, railway systems, highways and bridges, airports, dams, hydroelectric plants, hazardous waste, high hazard facilities, chemical agent disposal and geologic evaluation;

MK

construction and repair services in connection with public and private sector projects, namely, construction and repair of infrastructure dams, highways, bridges and tunnels, industrial, manufacturing and utility facilities, rail, airport and marine port facilities, and water distribution, treatment and storage systems; land development services, namely, planning and laying out of residential and commercial communities; and construction supervision and management services;civil engineering services and technical consultation services in connection with public and private sector construction projects, construction drafting, and industrial design;

MORRISON KNUDSEN

The names shown in the mark do not identify particular living individuals.;construction and repair services in connection with public and private sector projects; namely, construction of dam sites and utility facilities, construction of bridge, road, rail, marine and air transportation facilities, and construction of industrial facilities;