CoreSite Boosts Hybrid-Cloud with On-Net Connectivity in Chicago to Microsoft Azure ExpressRoute

Enabling 100 Gbps Fiber Interconnections for Azure ExpressRoute Direct

Eliminating Egress Fees with ExpressRoute Local to Azure North Central U.S. Region

Providing Multi-Region Azure Integration via the CoreSite Open Cloud Exchange

DENVER–(BUSINESS WIRE)–CoreSite Realty Corporation (NYSE:COR) (“CoreSite,” or the “Company”), a premier provider of secure, reliable, high-performance data center, cloud access and interconnection solutions across the U.S., today announced the availability of direct fiber and virtual connectivity to Microsoft Azure ExpressRoute at CoreSite’s Chicago campus. This key interconnection point enables CoreSite customers and Microsoft connectivity partners to access Azure ExpressRoute directly – at all available speeds. Build primary and/or redundant network architectures within the market using fiber interconnections and virtual connectivity through the CoreSite Open Cloud Exchange®.

Adding Optionality, Improved Resiliency, Performance and Reliability

The availability of on-net access to Azure ExpressRoute at CoreSite’s Chicago campus enables enterprise customers and Microsoft connectivity partners to benefit from directly connecting to Microsoft’s global network. This solution delivers optimal low latency edge-to-edge performance, increased security, and eliminates data egress costs using Azure ExpressRoute Local when accessing the Azure North Central US region, while improving agility when deploying workloads in today’s hybrid cloud architectures. In addition, the combination of Azure ExpressRoute with CoreSite’s Open Cloud Exchange and Inter-site services provides customers with enhanced network connectivity for business continuity and disaster recovery programs. Direct access to a cloud onramp via an edge node is the most effective means to ensure performance, reliability and optimal cost efficiency.

Customers in CoreSite’s national platform of data centers can rapidly integrate the Azure ExpressRoute Chicago peering location via the CoreSite Open Cloud Exchange, an on-demand interconnection platform that enables CoreSite customers to dynamically connect to any other customer through a virtual connection and an easy-to-use portal.

We are excited to offer our customers on-net availability and improved resiliency options to Microsoft Azure ExpressRoute in Chicago, in addition to the on-net ExpressRoute connectivity already available in Los Angeles, Silicon Valley, Denver and Northern Virginia,” said Steve Smith, CoreSite’s Chief Revenue Officer. “Direct and private connectivity to leading cloud providers like Microsoft is essential for enterprises to deploy their hybrid and multi-cloud IT architectures.

“Our collaboration with CoreSite provides customers with the high-level interconnection and predictable global access they need to meet their broad range of requirements. We are pleased to expand Microsoft Azure ExpressRoute, allowing more businesses in these growing markets to access these services through the CoreSite interconnection and data center platform,” said Ross Ortega, Partner PM Manager, Azure Networking at Microsoft.

CoreSite’s New CH2 Ground-Up Data Center Development in Downtown Chicago

CoreSite opened the first purpose-built, enterprise-class, ground-up data center – known as CH2 – designed to support a total of 18 megawatts of critical IT draw in the heart of downtown Chicago. CoreSite delivered Phase 1 during 2020, comprised of 56,000 square feet and six megawatts of capacity. CH2 provides scalable space ready to support enterprises through their digital journey. In addition, CoreSite obtained approval for the State of Illinois’ Data Center Investment Program, which extends a 10.25% tax incentive to its customers deploying in CH2 on the purchase of equipment and software costs. CH2 is part of a connected campus, leveraging CoreSite’s existing CH1 data center – one of the top interconnected buildings in Chicago.

Other Highlights

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About CoreSite

CoreSite Realty Corporation (NYSE:COR) delivers secure, reliable, high-performance data center, cloud access and interconnection solutions to a growing customer ecosystem across eight key North American markets. More than 1,375 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 460+ 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

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: the geographic concentration of the Company’s data centers in certain markets and any adverse developments in local economic conditions or the level of supply of or demand for data center space in these markets; fluctuations in interest rates and increased operating costs; difficulties in identifying properties to acquire and completing acquisitions; significant industry competition, including indirect competition from cloud service providers; failure to obtain necessary outside financing; the ability to service existing debt; the failure to qualify or maintain its status as a REIT; financial market fluctuations; changes in real estate and zoning laws and increases in real property tax rates; the effects on our business operations, demand for our services and general economic conditions resulting from the spread of the Novel Coronavirus (“COVID-19”) in our markets, as well as orders, directives and legislative action by local, state and federal governments in response to such spread of COVID-19; and other factors affecting the real estate industry generally. All forward-looking statements reflect the Company’s good faith beliefs, assumptions and expectations, but they are not guarantees of future performance. Furthermore, the Company 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 the Company’s future results to differ materially from any forward-looking statements, see the section entitled “Risk Factors” in its most recent annual report on Form 10-K, and other risks described in documents subsequently filed by the Company from time to time with the Securities and Exchange Commission.


CoreSite Contacts

Matt Gleason
General Manager, Chicago

Audrey Dieckow
Assistant General Manager, Chicago

Kate Ruppe

Investor Relations


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