ABOUT ABOUT TEPA EC LEADERSHIP TEPA COMPANIES TEPA CORE VALUES DUNS/CAGE/NAICS MANAGEMENT SYSTEMS CERTIFICATIONS CLIENTS AWARDS Tepa EC Leadership Tepa EC brings a team of customer-oriented, highly qualified experts who have a deep understanding of how our clients do business and who possess the hands-on experience necessary to identify and solve project challenges. For more information about teaming with Tepa EC, contact: Steve Hvizdzak, PG President, Construction Services Division General Manager, Tepa EC, LLC Steve.Hvizdzak@tepa.com (478) 273-2258 © 2018-2021 Tepa EC, LLC. All rights reserved. DUNS: 62-511-7846 CAGE: 4EHW4

ABOUT ABOUT TEPA EC LEADERSHIP TEPA COMPANIES TEPA CORE VALUES DUNS/CAGE/NAICS MANAGEMENT SYSTEMS CERTIFICATIONS CLIENTS AWARDS Tepa Companies Core Values The foundation of the Tepa Companies rests on five core values. These values allow us to create a diverse, inclusive and successful work environment that ensures high-quality solutions for our clients. We expect every employee to embrace and live these core values in their daily tasks, work relationships and project delivery. Vision Statement Our vision is to be the preferred provider of construction, professional and industrial services to our clients, offer career growth to our employees and be an economic pillar for our Tribe by delivering opportunities, resources and financial diversity. Mission Statement Our mission is to deliver comprehensive, sustainable and innovative solutions through a diversified portfolio of services that maximizes value for our clients, employees and Tribal members. © 2018-2021 Tepa EC, LLC. All rights reserved. DUNS: 62-511-7846 CAGE: 4EHW4

ABOUT ABOUT TEPA EC LEADERSHIP TEPA COMPANIES TEPA CORE VALUES DUNS/CAGE/NAICS MANAGEMENT SYSTEMS CERTIFICATIONS CLIENTS AWARDS DUNS, CAGE and NAICS Tepa EC performs work under the following Dun & Bradstreet Number (DUNS), Commercial and Government Entity Code (CAGE), and North American Industry Classification System Codes (NAICS): DUNS Number: 62-511-7846 CAGE Code: 4EHW4 Primary NAICS: 238990 All Other Specialty Trade Contractors Secondary NAICS: 236210 Industrial Building Construction 236220 Commercial and Institutional Building Construction 237110 Water and Sewer Line and Related Structures Construction 237120 Oil and Gas Pipeline and Related Structures Construction 237130 Power and Communication Line and Related Structures Construction 237990 Other Heavy and Civil Engineering Construction 238210 Electrical Contractors and Other Wiring Installation Contractors 238290 Other Building Equipment Contractors 238910 Site Preparation Contractors 321992 Prefabricated Wood Building Manufacturing 332311 Prefabricated Metal Building and Component Manufacturing 531120 Lessors of Nonresidential Buildings (Except Mini Warehouses) 541620 Environmental Consulting Services 561210 Facilities Support Services 562211 Hazardous Waste Treatment and Disposal 562910 Remediation Services © 2018-2021 Tepa EC, LLC. All rights reserved. DUNS: 62-511-7846 CAGE: 4EHW4