CoreSite Recognized as a Representative Vendor in the 2025 Gartner® Market Guide for Data Center Colocation

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DENVER--(BUSINESS WIRE)--Oct 23, 2025--

CoreSite, an American Tower company (NYSE: AMT) empowering critical business and AI workloads that impact everyday life through interconnected data center solutions, today announced that it has been recognized as a Representative Vendor in the 2025 Gartner® Market Guide for Data Center Colocation. 1

According to Gartner, “These providers offer robust, secure, and highly available facilities, complemented by advanced network connectivity, comprehensive compliance frameworks, and a breadth of value-added services that align with evolving enterprise requirements."

As the colocation market evolves beyond space and power, businesses are looking for data center providers with direct, low-latency connections to a robust ecosystem that offers the required uptime, cost efficiency and advanced cooling capabilities needed to support their hybrid IT strategies.

“We believe that CoreSite’s recognition in the Gartner Market Guide validates our commitment to delivering highly interconnected, purpose-built data center campuses designed to meet the growing demands of modern enterprises,” said Juan Font, President and CEO of CoreSite and SVP of American Tower. “Our data center solutions combine security, compliance, scalability, connectivity and flexibility to enable true business agility, while offering the on-site technical expertise and advanced cooling solutions required to support today’s high-density and AI-driven workloads.”

Gartner does not endorse any vendor, product or service depicted in its research publications, and does not advise technology users to select only those vendors with the highest ratings or other designation. Gartner research publications consist of the opinions of Gartner's research organization and should not be construed as statements of fact. Gartner disclaims all warranties, expressed or implied, with respect to this research, including any warranties of merchantability or fitness for a particular purpose.

GARTNER is a registered trademark and service mark of Gartner, Inc. and/or its affiliates in the U.S. and internationally and is used herein with permission. All rights reserved.

1 Gartner, “Market Guide for Data Center Colocation” Ken Rothenberger, 23 September 2025.

About CoreSite

CoreSite, an American Tower company (NYSE: AMT), is a leading interconnection data center platform that empowers businesses to future-proof their digital transformation initiatives. For more than 20 years, CoreSite’s purpose-built, highly interconnected data center campuses and team of experts have delivered the cloud-enabled, resilient and flexible digital ecosystems required for customers to quickly scale and interoperate their businesses to support the increasing demands of critical workloads, like AI and high-density applications. For more information, visit CoreSite.com and follow CoreSite on our Connect[ED] blog,LinkedIn and YouTube channels.

Forward-Looking Statements

This press release contains statements about future events and expectations, or “forward-looking statements,” all of which are inherently uncertain. We have based those forward-looking statements on management’s current expectations and assumptions and not on historical facts. These forward-looking statements involve a number of risks and uncertainties. For important factors that may cause actual results to differ materially from those indicated in our forward-looking statements, we refer you to the information set forth under the caption “Risk Factors” in Item 1A of American Tower’s most recent annual report on Form 10-K, and other risks described in documents American Tower subsequently files from time to time with the Securities and Exchange Commission. Neither we nor American Tower undertake any obligation to update the information contained in this press release to reflect subsequently occurring events or circumstances.

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KEYWORD: COLORADO UNITED STATES NORTH AMERICA

INDUSTRY KEYWORD: DATA MANAGEMENT SECURITY TECHNOLOGY SOFTWARE NETWORKS ARTIFICIAL INTELLIGENCE INTERNET

SOURCE: CoreSite

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PUB: 10/23/2025 11:00 AM/DISC: 10/23/2025 10:59 AM

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