Tellabs to Announce Second-Quarter Results on July 27

NAPERVILLE, Ill., July 14 /PRNewswire-FirstCall/ -- Tellabs will host an
investor teleconference to discuss its second-quarter 2009 results at 7:30
a.m. Central Daylight Time on Monday, July 27. The results news release will
be available on www.tellabs.com at 6:00 a.m. Central Daylight Time that day.

To access a simultaneous webcast of the teleconference, go to the Tellabs Web
site at www.tellabs.com and click on the webcast icon. From this site, you can
download the necessary software and listen to the teleconference. Tellabs
encourages you to review the site before the teleconference to ensure your
computer is configured properly.

A taped replay of the call will be available at approximately 10:30 a.m.
Central Daylight Time on July 27. This toll-free replay will be available
until midnight Central Daylight Time on Wednesday, July 29. A podcast of the
call will be posted at www.tellabs.com/news/feeds/ on the afternoon of July
27.

To listen to the teleconference replay, call 800-642-1687. (Outside the United
States, call 706-645-9291.) When prompted, enter the Tellabs conference ID
number: 18446210.

About Tellabs -- Tellabs helps customers succeed through innovation. That's
why 41 of the top 50 global telecom service providers choose our mobile
backhaul, optical networking and business services solutions. We help telecom
service providers, independent operating companies, MSO/cable TV companies,
enterprises and government agencies get ahead by adding revenue, reducing
expenses and optimizing networks. With wireless and wireline networks in more
than 90 countries, we enrich people's lives by innovating the way the world
connects(TM). Tellabs (Nasdaq: TLAB) is part of the NASDAQ Global Select
Market, Ocean Tomo 300(TM) Patent Index, the S&P 500 and several corporate
responsibility indexes including FTSE4Good and eight KLD indexes.
http://www.tellabs.com

Tellabs(R) and Tellabs logo(R) are trademarks of Tellabs or its affiliates in
the United States and/or other countries. Any other company or product names
mentioned herein may be trademarks of their respective companies.

SOURCE Tellabs

Media, Marta Kwiatek, +1-630-798-2524, marta.kwiatek@tellabs.com, or
Investors, Tom Scottino, +1-630-798-3602, tom.scottino@tellabs.com, both of
Tellabs