Strategic, Purpose-Built Expansion Boosts Company’s East Coast Capabilities with Robust Connectivity and Access to a Diverse Ecosystem

CoreSite, an American Tower company (NYSE: AMT) empowering critical business and AI workloads that impact everyday life through interconnected data center solutions, today announced the completion of its newest facility, NY3. Located in Secaucus, New Jersey, and part of the New York metropolitan area, this purpose-built data center adds more than 138,000 square feet to CoreSite’s New York footprint. The asset is strategically positioned adjacent to CoreSite’s existing NY2 facility, forming one of the most connected and scalable data center campuses on the Eastern Seaboard.

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CoreSite’s NY3 data center is located at 2 Emerson Lane, Secaucus, New Jersey, and offers more than 138,000 square feet of data center capacity.

CoreSite’s New York market footprint totals more than 442,000 square feet and includes NY1 (32 Avenue of the Americas, Manhattan, New York), NY2 (2 Emerson Lane, Secaucus, New Jersey) and the new NY3 data center. The company’s New York data center campus offers direct cloud connection to AWS and delivers a diverse ecosystem where enterprises, such as global financial services, higher education institutions as well as domestic and international carriers, securely and cost effectively conduct business. Customers in the New York metro area can leverage the Open Cloud Exchange^® (OCX) to access all the major public cloud providers and high-count dark fiber interconnections to scale efficiently within and across all markets in CoreSite’s highly interconnected nationwide portfolio. CoreSite’s NY2 and NY3 facilities also offer the ability to deploy advanced liquid cooling solutions, providing customers with enhanced thermal efficiency needed to support high-performance and AI-driven workloads.

As enterprises accelerate their adoption of hybrid IT strategies, cloud interconnection has emerged as the #1 reason organizations choose colocation data centers for running generative AI applications and workloads, according to the 2025 State of the Data Center Report. High-density power and cooling capabilities—including liquid cooling—along with cost efficiency, compliance and security also rank as top priorities.

“The launch of NY3 represents more than just added capacity; it’s a strategic investment in our customers’ future,” said Adam Post, SVP of Finance and Corporate Development at CoreSite. “As AI and advanced workloads reshape industries, enterprises need infrastructure that is purpose-built for performance and scalability along with robust interconnectivity solutions to accelerate their digital transformation. NY3 delivers on that promise and will empower our customers in the New York market to innovate, connect and grow with confidence.”

CoreSite enabled new deployments at NY3 for organizations across the financial and technology sectors, including high-density research and trading environments requiring low-latency connectivity to financial exchanges, cloud-based platforms expanding capacity in the Northeast, and enterprise applications spanning both trading and general production operations. CoreSite was selected for its ability to provide reliable, interconnected infrastructure, strong network connectivity and the option to scale and expand in the future.

The completion of NY3 marks a milestone in CoreSite’s national growth strategy, as the company’s footprint now includes 30 data centers comprising approximately 4.5 million square feet across 11 strategic U.S. markets.

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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