Carriers & Applica�on & Cogent IP Transit Service Providers Content Providers

The Cogent Advantage Cogent provides IP Transit connec�vity to thousands of businesses across the globe. Whether you are a content provider or a carrier / ISP, Cogent is the right choice. We offer more service loca�ons than any other Tier 1 carrier and outstanding connec�vity to major access and content networks throughout the world. Powered by one of the most interconnected networks, Cogent provides reliable, scalable and affordable bandwidth. Our service is backed by local customer support centers and an industry leading Service Level Agreement.

Interfaces Features A wide variety of interfaces to fit your needs Feature-rich IP Transit in over 1363 data centers globally

Fast 10 - 100 Mbps Flat or burst billing IPv6 ready Gigabit Ethernet 100 Mbps - 1 Gbps Mul�ple BGP sessions Blackhole server 10 Gigabit Ethernet 500 Mbps - 10 Gbps Primary / Secondary DNS Link Aggrega�on 100 Gigabit Ethernet 10 Gbps - 100 Gbps IPv4 addresses

Tier 1 Network Our IP Transit service runs over Cogent's Tier 1 op�cal IP SERVICE LEVEL AGREEMENT (SLA) network, which is one of the largest of its kind. Cogent Network Availability 100% operates AS174, a historic autonomous system of the . The Cogent network is directly connected to more Packet Delivery > 99.9% than 7,530 other networks worldwide. Network Latency Intra North America < 45 ms Connected to Content Intra Europe < 35 ms If you are an access provider, Cogent’s IP Transit service will Transatlan�c < 85 ms connect you and your end users to the most popular content Transpacific < 140 ms and applica�on providers on the Internet - just one hop away! Your customers will appreciate low latency access to Installa�on Guarantee 17 business days or less the best of what the Internet has to offer. Network Opera�ons & Customer Support Centers Connected to Eyeballs Washington, DC • Herndon, VA Cogent’s IP Transit service offers applica�on and content Frankfurt - • Madrid - • Paris - providers the most reliable, scalable and cost-effec�ve way to connect to eyeball networks. Whether your business is 24/7 customer support and online account management. Our average answer �me for support calls is less than 30 seconds. gaming, VoIP, social networking, , or the latest applica�on, Cogent’s network is the best way to expose your content to end users. 1-877-875-4432 www.cogentco.com [email protected] Service Loca�ons and Products Cogent offers a wide variety of service loca�ons, including over 1309 carrier neutral data centers and 54 Cogent Data Centers COGENT FACTS around the world. Cogent also connects the largest and most • 2020 Best in Class - NA Business Connec�vity Providers (Atlantic-ACM) pres�gious office buildings in North America. • 2020 Best in Class - US and Global Wholesale Providers (Atlantic-ACM) Across our global network, we offer a simple product set, • 2020 U.S. Carrier Ethernet Services Challenge Tier (Vertical Systems) allowing us to specialize in providing you bandwidth. • Mid-Year 2020 U.S. Carrier Ethernet Services Challenge Tier and Global Provider Ethernet Services Challenge Tier (Vertical Systems) • 2019 U.S. Fiber Lit Buildings Challenge Tier (Vertical Systems) • 2019 U.S. Carrier Ethernet Services Compe��ve Providers (Vertical Systems) Dedicated Ethernet Did you know? Internet Access Services Call today for • The Cogent network is directly connected to more than 80% of US broadband eyeballs (LRG) informa�on on any • Cogent is the only commercial ISP to operate one of the 13 DNS root Cogent product. U�lity servers of the Internet (C.ROOT) Coloca�on Compu�ng • 50% of the top web proper�es in the US & Europe are Cogent customers (comScore) • More than 400 Universi�es & Research Ins�tu�ons rely on our bandwidth

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UNITED STATES OFFICE LOCATIONS INTERNATIONAL OFFICE LOCATIONS Atlanta, GA Herndon, VA Oakland, CA Sterling, VA Toronto, ON - Canada London - Boca Raton, FL Houston, TX Pasadena, CA Troy, MI Montreal, QC - Canada Luxembourg Boston, MA La Mirada, CA Philadelphia, PA Vienna, VA Mississauga, ON - Canada Madrid - Spain Charlo�e, NC Los Angeles, CA Phoenix, AZ Waltham, MA Amsterdam - The Netherlands Paris - France Chicago, IL Miami, FL San Diego, CA Washington, DC Frankfurt - Germany Stockholm - Columbus, OH Minneapolis, MN San Francisco, CA Kiev - Ukraine Singapore Dallas, TX New Orleans, LA Santa Clara, CA Denver, CO New York, NY Sea�le, WA

About Cogent Cogent Communica�ons Holdings, Inc. (NASDAQ: CCOI) is a mul�na�onal, Tier 1 facili�es-based ISP, consistently ranked as one of the top five networks in the world. Cogent specializes in providing businesses with high speed Internet access, Ethernet transport and coloca�on services. Cogent built one of the largest and highest capacity IP networks in existence. This network enables Cogent to offer large bandwidth connec�ons at highly compe��ve prices. Corporate Headquarters 1-877-875-4432 2450 N Street NW www.cogentco.com Washington, DC 20037 [email protected]