PacketFabric's Newly Launched Cloud Networking Platform Enables Connectivity to 11 CoreSite Data Centers

Extended presence provides CoreSite customers with access to cloud networking services and next-generation interconnection technologies. End Quote

(1888PressRelease) January 25, 2017 - Denver, CO - CoreSite Realty Corporation (NYSE:COR), a premier provider of secure, reliable, high-performance data center and interconnection solutions across the U.S., today announced the immediate availability of PacketFabric's Software-defined Networking (SDN) based network platform at 11 strategically located CoreSite data centers throughout North America. PacketFabric is a NantWorks company and a provider of next-generation Ethernet-based cloud networking services. CoreSite customers can now access PacketFabric's fully automated network platform, enabling users to instantaneously provision terabit-scale connectivity in a direct, private, and secure manner between any locations on the PacketFabric network.

As a part of its national launch, PacketFabric is announcing the availability of its platform in the following CoreSite markets:

Boston - BO1
Los Angeles - One Wilshire (LA1) and LA2
New York - NY1 and NY2
Silicon Valley - SV1, SV3, SV4, and SV7
Northern Virginia - VA1 and VA2

"PacketFabric has created an innovative next-generation networking platform which incorporates the real-time and on-demand benefits of cloud services, simplifying the process of provisioning and maintaining network infrastructure," said William Charnock, CEO of PacketFabric. "By combining real-time provisioning with terabit-scale performance, our platform will enable CoreSite customers to better interconnect their public and private infrastructures in a cost-effective, secure, and reliable manner."

PacketFabric's SDN-based network platform connects major carrier hotels and data centers throughout North America, and is designed to deliver hundreds of Terabits per second of on-demand connectivity across its purpose-built private backbone network. By leveraging this innovative architecture, PacketFabric allows customers to easily procure and maintain their network services in real-time, while reaching many hundreds of destinations without the need to deploy and manage costly infrastructure, or rely on the public internet. In addition, PacketFabric provides many unique options for usage-based connectivity, allowing customers to pay only for what they use, and eliminating the hassle of long-term contracts and expensive stranded capacity.

"We're excited to have PacketFabric providing a next-generation automated network at our facilities in Los Angeles, Silicon Valley, New York/New Jersey, Boston, and Northern Virginia," said Ben Green, VP Sales, Network and Mobility at CoreSite. "The presence of this innovative platform within our data centers will further enhance our ability to offer CoreSite customers the critical, high-performance connectivity resources they need, in a way that's both simple and affordable."

The PacketFabric SDN platform provides both a web-based portal and advanced Application Program Interface (API), enabling customers to dynamically design and deploy any network configuration on-demand. Real-time analytics capabilities further extend the platform, providing complete control and visibility into network performance and traffic data.

To learn more about PacketFabric and its platform, visit www.packetfabric.com.

About CoreSite
CoreSite Realty Corporation (NYSE:COR) delivers secure, reliable, high-performance data center and interconnection solutions to a growing customer ecosystem across eight key North American markets. More than 1,000 of the world's leading enterprises, network operators, cloud providers, and supporting service providers choose CoreSite to connect, protect and optimize their performance-sensitive data, applications and computing workloads. Our scalable, flexible solutions and 400+ dedicated employees consistently deliver unmatched data center options - all of which leads to a best-in-class customer experience and lasting relationships. For more information, visit www.CoreSite.com.

About PacketFabric
PacketFabric redefines how companies procure, consume, and manage their network connectivity services. Leveraging an innovative entirely automated SDN-based network architecture and the latest in optical and packet switching technology, PacketFabric enables dynamic real-time connectivity services between major carrier-neutral colocation facilities at terabit-scale. PacketFabric facilitates coast-to-coast connectivity between 86 premier colocation facilities across 11 U.S. markets, and enables simple, cost-effective, and scalable network deployment via its advanced Application Program Interface (API) and web-based portal. For more information, visit www.packetfabric.com or connect with PacketFabric on Twitter, LinkedIn and Facebook.

About NantWorks
NantWorks, LLC, is the umbrella organization for an ecosystem of companies committed to the convergence of 21st century innovative platforms to transform how we work, live and play: NantHealth, NantOmics, NantBioScience, NantCell and its affiliate NantKwest, NantPharma, NantMobile, NantStudio, NantCapital and NantCloud. Fact-based and solution driven, each of NantWorks' division companies operates at the intersection of innovation and infrastructure.

Founded by Dr. Patrick Soon-Shiong, scientist and inventor of the first human nanoparticle chemotherapeutic agent Abraxane, the core mission for NantWorks is convergence: to develop and deliver a diverse range of technologies that accelerate innovation, broaden the scope of scientific discovery, enhance groundbreaking research, and improve healthcare treatment for those in need. NantWorks is building an integrated fact-based, genomically-informed, personalized approach to the delivery of care and the development of next generation diagnostics and therapeutics. . For more information please visit www.nantmobile.com and www.nanthealth.com and follow Dr. Soon-Shiong on Twitter ( @ ) Dr dot PatSoonShiong dot

CoreSite Contact
Greer Aviv
Vice President of Investor Relations and Media/Public Relations
303-405-1012
Greer.Aviv ( @ ) CoreSite dot com

PacketFabric Contact
iMiller Public Relations for PacketFabric
+1 866.307.2510
pr ( @ ) packetfabric dot com

Forward Looking Statements
This press release may contain forward-looking statements within the meaning of the federal securities laws. Forward-looking statements relate to expectations, beliefs, projections, future plans and strategies, anticipated events or trends and similar expressions concerning matters that are not historical facts. In some cases, you can identify forward-looking statements by the use of forward-looking terminology such as "believes," "expects," "may," "will," "should," "seeks," "approximately," "intends," "plans," "pro forma," "estimates" or "anticipates" or the negative of these words and phrases or similar words or phrases that are predictions of or indicate future events or trends and that do not relate solely to historical matters. Forward-looking statements involve known and unknown risks, uncertainties, assumptions and contingencies, many of which are beyond CoreSite's control that may cause actual results to differ significantly from those expressed in any forward-looking statement. These risks include, without limitation: any adverse developments in local economic conditions or the demand for data center space in these markets; operational difficulties, including difficulties relating to information systems, internal processes and information security; significant industry competition; financial market fluctuations; and other factors affecting the real estate industry generally. All forward-looking statements reflect CoreSite's good faith beliefs, assumptions and expectations, but they are not guarantees of future performance. Furthermore, CoreSite disclaims any obligation to publicly update or revise any forward-looking statement to reflect changes in underlying assumptions or factors, of new information, data or methods, future events or other changes. For a further discussion of these and other factors that could cause CoreSite's future results to differ materially from any forward-looking statements, see the section entitled "Risk Factors" in CoreSite's most recent annual report on Form 10-K, and other risks described in documents subsequently filed by CoreSite from time to time with the Securities and Exchange Commission.

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