Exhibit 10.2

SECOND AMENDMENT TO CALIX, INC.

AMENDED AND RESTATED EXECUTIVE CHANGE IN CONTROL AND SEVERANCE PLAN

Effective August 1, 2018, Schedule A (Group Listing) to the Calix, Inc. Amended and Restated Executive Change in Control and Severance Plan is amended and restated as follows:

Schedule A

Group Listing

Group A Participant(s):

President and Chief Executive Officer

Group B Participant(s)

Executive Vice President

Senior Vice President, Services

Chief Financial Officer

Group C Participant(s):

Chief Development Officer

Senior Vice President

Vice President, General Counsel

Vice President, Information Technology

Chief Marketing Officer

Group D Participant(s):

Vice President, Supply Chain Operations

Vice President, Services Strategy, Portfolio and Operations