Finisar Unveils New Test Tool Suite at Storage Networking World 2006

SUNNYVALE, CA -- (MARKET WIRE) -- October 31, 2006 -- Finisar Corporation (NASDAQ: FNSR), a technology leader in fiber optic and test and measurement solutions for high-speed data networks, today introduced a new version of its full-featured test tool software suite designed to enable the world's leading server, HBA, switch and data storage suppliers to develop better products, faster. Medusa Labs Test Tool Suite 2.0 (MLTT) is an I/O test tool that provides remote test execution and management, and delivers complete capabilities for data integrity, stress, performance and signal integrity testing in a scriptable command line environment. Finisar will be showcasing Medusa Labs Test Tool Suite 2.0 at Booth #P9 at Storage Networking World (SNW) taking place October 31 - November 2 in Orlando, Florida.

"The innovative features of the new Medusa Labs Test Tool Suite further validate why some of the world's leading enterprise test and development engineers are now incorporating Finisar's product testing solutions into their development programs," said Dave Buse, senior vice president and general manager, Network Tools Group, Finisar. "As our customers' environments continue to grow in both size and complexity, they are increasingly looking for integrated solutions to help keep costs down -- and to improve their product time to market. Because our latest version of our test tool suite was designed with these factors in mind, MLTT ensures efficient and reliable testing that allows our customers to quickly identify issues and ultimately reduce their time to money."

Finisar's Medusa Labs Test Tool Suite 2.0 is a complete testing solution offering cross-platform remote test dispatch and monitoring capabilities, improved logging functionality with I/O completion statistics and an enhanced Graphical User Interface. The new software is ideal for companies seeking shorter test cycles and increased overall productivity for large-scale tests across numerous systems. It supports all protocol interfaces including Fibre Channel, iSCSI, SATA, SAS, IDE, SCSI, RAID, USB and Ethernet.

The Medusa Labs Test Tools Suite 2.0 will be available in late November 2006. For more information, visit www.finisar.com, call 1.512.670.7300, or e-mail medusasales@finisar.com.

About Finisar

Finisar Corporation (NASDAQ: FNSR) is a technology leader for fiber optic components and subsystems and network test and monitoring systems. These products enable high-speed data communications for networking and storage applications over Gigabit Ethernet Local Area Networks (LANs), Fibre Channel Storage Area Networks (SANs), and Metropolitan Area Networks (MANs) using Fibre Channel, IP, SAS, SATA and SONET/SDH protocols. The Company's headquarters is in Sunnyvale, California, USA. www.finisar.com.

Contact Information: MEDIA CONTACT: Victoria McDonald Finisar Corporation (408) 542-4261 victoria.mcdonald@finisar.com