Acquisition history

Company
Acquired
Date
Announced
Date
Completed
Approx. Value
at Completion
Location
World Wide Packets January 22, 2008 March 3, 2008 $295.8 million2 Spokane Valley, WA and San Jose, CA
Carrier Ethernet access/aggregation solutions
Internet Photonics February 19, 2004 May 3, 2004 $99.5 million 2 Marlborough, MA and Shrewsbury, NJ
Carrier-grade optical Ethernet transport and switching solutions.
Catena Networks February 19, 2004 May 3, 2004 $313.5 million 2 Kanata, Ontario, Canada and Research Triangle Park, NC
Broadband access solutions.
Akara August 21, 2003 September 3, 2003 Approximately $46.2 million2 Kanata, Ontario, Canada
Storage over SONET for longer-distance applications of enterprise customers & carriers.
WaveSmith April 9, 2003 June 16, 2003 Approximately $178 million (excluding investment).2 Acton, MA
ATM Based, MultiService Edge Switch-MPLS features
ONI February 18, 2002 June 18, 2002 Approximately $397.8 million2 San Jose, CA
Metro Transport and Edge products
Cyras December 19, 2000 March 29, 2001 Approximately $1.1 billion2 Fremont, CA
Next-generation SONET platform
Omnia March 15, 1999 July 1,1999 Approximately $474 million2 Marlborough, MA
Carrier-class multi-service access delivery platform
Lightera March 15, 1999 March 31,1999 Approximately $463.5 million2 Cupertino, CA
Carrier-class optical core switching product
Terabit April 22, 1998 April 22, 1998 Approximately  $11.5 million1 Santa Barbara, CA
Developer of optical components, specifically photodetectors
Alta Telecom (aka. ATI) January 26, 1998 February 19, 1998 Approximately  $52.2 million1 Norcross, GA
Engineering, furnishing & installation services company for telecom service providers
AstraCom December 10, 1997 December 1997 Approximately $13.1 million1 Atlanta, GA
Telecom company acquired for engineering talent.

1Value per announcement of intent to acquire.

2Value per announcement of acquisition completion.