Calix to Webcast Three Investment Conference Presentations in November

October 24, 2011

PETALUMA, CA, Oct 24, 2011 (MARKETWIRE via COMTEX) --

Calix Inc. (NYSE: CALX) today announced that Company management will webcast its presentations at three investment conferences in November:

--  Needham's Fourth Annual Communications Conference
     Location: New York,
    NY
     Date/Time: Nov. 1, 2011 at 2:15 pm EDT


--  UBS's Global Technology and Services Conference
     Location: New York,
    NY
     Date/Time: Nov. 15, 2011 at 1:30 pm EST


--  Credit Suisse's Annual Technology Conference
     Location: Scottsdale,
    AZ
     Date/Time: Nov. 30, 2011 at 10:30 am MST

Live and archived audio webcasts of these presentations will be available on the investor relations section of the Calix website: http://investor-relations.calix.com.

About Calix

Calix (NYSE: CALX) is a global leader in access innovation. Its Unified Access portfolio of broadband communications access systems and software enable communications service providers worldwide to be the broadband provider of choice to their subscribers. For more information, visit the Calix website at www.calix.com.