Leader in Fiber Optic Management & Connectivity Solutions NASDAQ:CLFD Leader in Fiber Optic Management & Connectivity Solutions

Clearfield at a Glance Manage Protect Deliver We provide fiber management, protection, and delivery products that enable service providers to cost-effectively build and scale their fiber networks Manage Uniform and modular platform reduces the costs of managing and deploying fiber Protect Innovative product design ensures fiber is protected throughout the network Deliver Patented technology forms the core building blocks for more than 550 deployments globally

Our Scalable, Uniform & Cost-Effective Platform Fiber Management Fiber Protection & Delivery FieldSmart Clearview FieldShield Panels, frames, cabinets, pedestals, etc., for the inside plant, outside plant and access network Patented cassettes that connect multiple fiber optic cables Fiber pathway and protection system consisting of microducts, cables, connectors and terminals

Why Fiber is Your Best Long term Asset Heather Gold, President & CEO Mountain Connect June 13,2018

FTTH: incredible growth in North America Kagan, a media research group within S&P Global Market Intelligence, announced these results in May, also noting that growth in fiber network deployment rose a sharp 55.6 percent worldwide year over year in 2016. United States North America 30.4 Million Homes Marketed 16% Growth in 2016 13.7 Million Homes Connected 41.5 Million Homes Marketed 18% Growth 16.6 Million Homes Connected RVA, LLC for Fiber Broadband Association 2017

Economic Development: Fiber’s Killer App Ten Year Gross Metropolitan Product: 64% Better For FTTH Cities Ten Year Job Impact: 72% Better For FTTH Cities Better Year New Business Formation: 46% Better For FTTH Cities RVA, LLC for Fiber Broadband Association

New employer attraction Local experts see fiber impact On Local Job and GNP Growth 88% 85% 77% 52% New employer attraction Employer expansion Employer retention Home based businesses Based on a survey of local economic experts, policymakers. RVA, LLC for Fiber Broadband Association, May 2017

Mounting evidence says: fiber is a big add MDUs MDU residents are willing to pay 2.8 percent more to purchase a condo or apartment with access to fiber optic service. Renters are willing to pay a premium of 8 percent (based on a $1000 monthly rent) for access to fiber. GDP A 2014 study found higher per capita GDP (1.1%) in communities where gigabit Internet was available. Fiber communities enjoyed approximately $1.4 billion in additional GDP over other similarly situated communities. Home Values Access to fiber may increase a home’s value by up to 3.1 percent.

Presented by Kathryn Cooper Partner/CFO kcooper@intelliwave.com 145 Columbus Rd. Athens, Ohio 740-592-0322 www.intelliwavefiber.com

A Snapshot Why Add Fiber? Founded in 2002 in Athens, Ohio as a WISP (Southeastern Ohio) Partners began in Dial-Up Business in 1995 First Fiber Optic Deployment in 2015 In House Construction Crew 40 Miles of Mainline Fiber Deployed (99% underground) 1500 Premises Passed 600 Current FTTP Customers www.intelliwavefiber.com 145 Columbus Rd. Athens, Ohio 45701 740-592-0322 Presented by: Kathryn Cooper Partner/CFO kcooper@intelliwave.com Why Add Fiber? Eye toward the future – Ever increasing bandwidth demands Best use of cash generated from the business Lower maintenance, lower churn Geography – somewhat dense rural with rolling hills make for difficult wireless deployments

About Uptown Specialized consulting firm serving municipal and electric utility clients Formed in 1997 by former broadband and wireless senior managers Over 90 broadband and smart grid clients ranging from 3,500 to 250,000 households Over 50 broadband feasibility studies since 1999 Over $390M in capital funds raised for municipal and utility broadband projects Feasibility Studies Longmont Power & Communications City of Fort Collins City of Glenwood Springs Town of Superior System Design and Engineering Engagements San Luis Valley REC Delta Montrose Electric Association Town of Estes Park FTTP Implementations City of Wilson, NC City of Beverly Hills, CA City of Hillsboro, OR Headquarters based in Boulder, Colorado June 13, 2018

50 Tower Sites, 2500 sq Miles of Coverage Serving Larimer, Weld, Boulder, Denver, Custer, Chaffee, Fremont Counties

17 Miles Backbone 42 Miles Legacy Coax Full IPTV Headend All Construction In House Offering plans up to 10 Gbps Business, 1 Gbps Residential

Leveraging Wireless to Deploy Fiber Utilize wireless assets to create largest footprint Deploy fiber in dense areas Deploy fiber in new developments Leverage fiber to provide wireless last mile – Hybrid system Build fiber into last mile areas as we go Eric Ryplewski – 970-344-9541