LARGE DATA CENTER PROVIDER SELECTS ZAYO FOR DARK FIBER

Zayo’s low-latency routes serve financial sector

BOULDER, Colo. – June 16, 2017 – Zayo Group Holdings, Inc. (NYSE: ZAYO) has been selected by a large data center provider for dark fiber to connect its East Coast data centers. The solution includes primary and diverse routes in New York and New Jersey, providing low-latency infrastructure for the provider.

Zayo’s solution consist of more than 30 dark fiber pairs along completely diverse routes for the data center provider. Diverse and low-latency connectivity is a critical requirement for data centers, especially those that serve the financial sector. The solution leverages existing low-latency routes in the New York/New Jersey metropolitan corridor and requires limited buildout.

Increasingly, data centers and webscale cloud providers are focusing on high-performance fiber connectivity as an integral element of their service. High-bandwidth infrastructure facilitates higher data rates, preventing bottlenecks and slow throughput.

“The provider’s customers include financial services companies and buy and sell-side firms, which require high capacity and low latency,” said Jack Waters, CTO and president of Fiber Solutions at Zayo. “Zayo’s dark fiber routes provide the speed, security and performance the provider requires, along with the ability to scale.”

For more information on Zayo, please visit zayo.com.

About Zayo Group

Zayo Group Holdings, Inc. (NYSE: ZAYO) provides communications infrastructure services, including fiber and bandwidth connectivity, colocation and cloud infrastructure to the world’s leading businesses. Customers include wireless and wireline carriers, media and content companies and finance, healthcare and other large enterprises. Zayo’s 122,000-mile network in North America and Europe includes extensive metro connectivity to thousands of buildings and data centers. In addition to high-capacity dark fiber, wavelength, Ethernet and other connectivity solutions, Zayo offers colocation and cloud infrastructure in its carrier-neutral data centers. Zayo provides clients with flexible, customized solutions and self-service through Tranzact, an innovative online platform for managing and purchasing bandwidth and services. For more information, visit zayo.com.

Forward Looking Statements

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