Calix, Inc. (NYSE:CALX) today announced that Geoff Burke, Senior Director – Corporate Marketing, will present at the following upcoming financial conference:

Barclays Capital 2011 Global Communications, Media and Technology Conference

Date: Tuesday, May 24, 2011

Time: 9:30 AM EDT (6:30 AM PDT)

Location: Crowne Plaza Times Square, New York, NY

A live and archived audio webcast of this presentation 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.

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