CALIX, INC — Director's Dealing 2018

May 16, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CALIX, INC ((CALX))
CIK: 0001406666
Period of Report: 2018-05-14

Reporting Person: Weening Michael (EVP, Sales and Marketing)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-14	Common Stock	A	2000	$5.185	Acquired	4414	Direct

Footnotes

F1: The reporting person is voluntarily reporting the acquisition of shares of the issuer's common stock pursuant to the Calix, Inc. Amended and Restated Employee Stock Purchase Plan ("ESPP") for the ESPP purchase period of November 15, 2017 through May 14, 2018. This transaction is exempt under Rule 16b-3(c).

F2: In accordance with the ESPP, these shares were purchased at 85% of the closing price of the issuer's common stock on November 15, 2017, the first trading day of the purchase period.