Calix Sets Date to Release Third Quarter 2010 Results

PETALUMA, Calif.--(BUSINESS WIRE)-- Calix, Inc. (NYSE:CALX) today announced that it plans to release third quarter 2010 financial results after the market closes on Thursday, October 21, 2010.

Calix will host a conference call to discuss its third quarter 2010 results at 1:30pm PDT (4:30pm EDT) on the same day. Investors can listen to a live webcast of the conference call by visiting the Calix Investor Relations website at http://investor-relations.calix.com. The conference call and webcast will include forward looking information. A replay of the webcast will also be available at http://investor-relations.calix.com following the completion of the call.

About Calix

Calix, Inc. (NYSE: CALX) is a leading provider in North and Latin America of broadband communications access systems and software for copper- and fiber- based network architectures that enable communications service providers to connect to their residential and business subscribers. Calix enables communications service providers to provide a wide range of revenue-generating services, from basic voice and data to advanced broadband services, over legacy and next-generation access networks. The Calix Unified Access Portfolio helps these companies to transform their legacy and mixed protocol access networks to fiber and Ethernet. Calix has shipped over seven million ports of its Unified Access Infrastructure portfolio to more than 500 North American and international customers, whose networks serve over 40 million subscriber lines in total. For more information, visit the Calix website at www.calix.com.

    Source: Calix, Inc.

Released October 5, 2010