ABRY Partners Acquires CyrusOne

HOUSTON (July 11, 2007) - CyrusOne announced today that it has been acquired by ABRY Partners, a media and communications focused, Boston-based private equity firm. Since 2001, CyrusOne has built a strong presence in the high availability colocation and managed data center services marketplace. Over the past four years, the company has achieved strong top line and bottom line growth with a prominent niche in the energy, financial services, and healthcare marketplaces. With the completion of this transaction, CyrusOne seeks to accelerate its expansion. CyrusOne’s existing management team will continue their leadership of the company.

“We are strong believers and excited to be participating in the colocation and data center services industry through our investment in CyrusOne, and we are delighted to have the opportunity to partner with CyrusOne’s talented management team.” said C.J. Brucato III, principal of ABRY Partners. “CyrusOne has a leading market position and a strong and diversified blue chip customer base with a global footprint that we feel can greatly benefit from this new partnership.”

“The completion of this acquisition represents a significant step for CyrusOne to accelerate our growth and give the company significant strategic options to aggressively grow the business,” said David Ferdman, CEO, CyrusOne. “We are excited about the value that ABRY brings to our team and anticipate the tremendous opportunity this transaction creates for both existing and new customers.”

“There is a huge demand for managed services, particularly those offered in high availability, high density data center facilities,"  said Dan Golding, Vice President and Research Director, Tier 1 Research. "Those firms with the foresight to offer cutting edge technology services in an outsourced data center environment are extremely attractive to customers and have the upper hand in today's business environment."

Signal Hill Capital Group LLC initiated and advised CyrusOne in this transaction

About CyrusOne

CyrusOne is a leader in high availability, high density data center services, providing managed hosting, colocation and managed IT services. We help businesses optimize returns on technology investment while ensuring application availability, data security and superior IT performance. More information is available at www.cyrusone.com

About ABRY Partners

Based in Boston, Massachusetts, ABRY Partners enjoys a position as one of the most experienced and successful media and communications focused private equity investment firms in North America. Since 1989, ABRY has completed over $18 billion of leveraged transactions and other private equity and mezzanine investments, representing investments in more than 450 media and communications properties. Extensive and long-standing relationships with many different stakeholders in the media, communications and finance businesses allow ABRY to contribute significant value to operating partners and portfolio companies. More information is available at www.abry.com