XO International Partners Strong Relationships, Strong Connections

XO International Global footprint Geo-diverse links to all international nodes XO strategy: –Leverage our international nodes; and, –Establish NNIs with strong, respected regional players Seamless SLAs and network connectivity worldwide

Canada: Bell Canada Bell Canada –Established 1880 –Canada’s #1 communications company –$21B Operating Revenue (2014) –ILEC serving all dark blue regions –National Network Availability SLA: 99.9% Core Network SLO: % MTTR = 4 hours –Bell does all XO CPE nationwide –NNI with XO in Toronto. Chicago & Seattle coming

Canada: Shaw Business Shaw Business –Established 1966 in Edmonton, Alberta –Exceptionally strong in Western Canada –625,000 km fiber network –14,000 on-net buildings –NNI with XO in Seattle

Canada: Allstream Allstream –Presence in all major Canadian cities –Metro Ethernet Forum CE 2.0 certified –2,400 on-net fiber-fed buildings –NNIs with XO in Toronto & Seattle

Asia: Telstra Global Dominant carrier in Australia Using AU$ 2.0 B in cash reserves to build its international network –Telstra’s $697M acquisition of PacNet means Telstra now owns 29,000 miles of subsea cable assets + 26 PoPs in China NNIs with XO in San Jose & Hong Kong

Asia & Middle East: PCCW Global Established 1962 Serves 3,000 cities in 130 countries Award winning network operator –2012: Best International Wholesale Carrier Finalist Capacity Award –2011: Best International Wholesale Carrier at the Telecoms World Middle East Awards NNIs with XO in San Jose & Hong Kong (summer 2015)

Europe: Colt (City of London Telecom) Founded 1992 Headquartered in London € 1.6 B Revenue (2013) 22-country, 43,000 km European network connects 100+ cities with MANs in 39 cities 18,000 on-net buildings NNIs with XO in London & Amsterdam

Central & South America: Neutrona Independent company with 15 year history PoPs in 11 Central & South American countries Only Latin American network using multiple sub-sea cables and terrestrial fiber rings Modern, intelligent network uses CPE EtherNIDs not routers Competitive SLAs NNIs with XO in Dallas and Miami

XO International Summary NNI partners let XO extend fully meshed networking globally Global SLAs assure performance & reliability

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