STAMFORD, Conn. (Map) - STAMFORD, Conn., March 25 /PRNewswire/ -- Aperture, the leading global provider of software for managing the physical infrastructure of data centers, has announced the completion of its acquisition by Emerson (NYSE: EMR), effective today, March 25, 2008. This follows shareholder approval of the acquisition proposal first announced on February 25, 2008.

Emerson has now completed its acquisition of 100% of Aperture's share capital. Detailed financial terms of the agreement will not be disclosed.

Aperture will now operate as an autonomous business division of Emerson Network Power which has annual revenues of approximately $5.2 billion. Its Liebert-branded power, cooling and monitoring products and services are trusted by companies across the globe to manage critical data center applications. Emerson Network Power is a division of Emerson, (NYSE: EMR), which reported 2007 revenues of $22.6 billion.

Bill Clifford, CEO of Aperture and the newly-appointed president of the Aperture division of Emerson, said, "I am excited about the completion of this acquisition, which has gone very smoothly and has had such positive support from our customers, partners and employees. With the strength of Emerson behind us, Aperture's VISTA product line will continue to be the market leading software solution for complex data center management."

About Aperture

Aperture is the leading global provider of software for managing the physical infrastructure of data centers. Aperture's solutions reduce operational risk and improve efficiency through the planning and management of data center resources and real-time monitoring of the environment. Aperture delivers the best practice processes that enable organizations to take control of an increasingly complex physical infrastructure including equipment, space, power, cooling, network and storage.

With over 20 years of experience, Aperture provides organizations with the information required to optimize their data center operations, delivering better services at the lowest cost. Aperture's customers include the world's largest companies, half of which are Fortune 1000 and Global 500 organizations.

For more information, please go to: http://www.aperture.com

About Emerson

Emerson (NYSE: EMR), based in St. Louis, is a global leader in bringing technology and engineering together to provide innovative solutions to customers through its network power, process management, industrial automation, climate technologies, and appliance and tools businesses. Sales in fiscal 2007 were $22.6 billion. For more information, visit http://www.emerson.com.