Calix (CALX) DEFA14A Additional proxy soliciting materials

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(RULE 14A-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.    )

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☒	Definitive Additional Materials
☐	Soliciting Material under §240.14a-12

CALIX, INC.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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*** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the 2019 Annual Meeting of Stockholders to Be Held on May 22, 2019. Meeting Information CALIX, INC. Meeting Type: Annual Meeting For holders as of: March 25, 2019 Date:    May 22, 2019                Time:    9:00 AM PDT Location: Meeting live via the Internet-please visit www.virtualshareholdermeeting.com/CALX19. The company will be hosting the meeting live via the Internet. To attend the meeting via the Internet please visit www.virtualshareholdermeeting.com/CALX19 and be sure to have the information that is printed in the box marked by the arrowï§XXXX XXXX XXXX XXXX (located on the following page). You are receiving this communication because you hold CALIX, INC. shares in the company named above. 2777 ORCHARD PARKWAY SAN JOSE, CA 95134 This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com, scan the QR Barcode on the reverse side, or easily request a paper copy (see reverse side).    We encourage you to access and review all of the important information contained in the proxy materials before voting. See proxy the materials reverse and side voting of this instructions notice to obtain . E67905-P20605    

Before You Vote How to Access the Proxy Materials Proxy Materials Available to VIEW or RECEIVE: NOTICE AND PROXY STATEMENT ANNUAL REPORT ON FORM10-K FORM OF PROXY CARD How to View Online: Have the information that is printed in the box marked by the arrowï§XXXX XXXX XXXX XXXX (located on the following page) and visit: www.proxyvote.com, or scan the QR Barcode below. How to Request and Receive a PAPER orE-MAIL Copy: If you want to receive a paper ore-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request:    1) BY INTERNET: www.proxyvote.com    2) BY TELEPHONE:1-800-579-1639    3) BYE-MAIL*: sendmaterial@proxyvote.com * If requesting materials by e mail, please send a blank e mail with the information that is printed in the box marked by the arrowï§XXXX XXXX XXXX XXXX (located on the following page) in the subject line. Requests, instructions and other inquiries sent to thise-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before May 8, 2019 to facilitate timely delivery. How To Vote SCAN TO VIEW MATERIALS & VOTE w Please Choose One of the Following Voting Methods Vote By Internet:     Before The Meeting: Go to www.proxyvote.com or from a smartphone, scan the QR Barcode above. Have the information that is printed in the box marked by the arrowï§XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions. During The Meeting: P20605 Go to www.virtualshareholdermeeting.com/CALX19. Have the information that is printed in the box marked by the arrow -ï§XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions. E67906 Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.    

Voting Items The Board of Directors recommends you vote FOR All of the following: 1. Election of Directors Nominees: 01) Christopher Bowick 02) Kira Makagon 03) Michael Matthews 04) Carl Russo The Board of Directors recommends you vote FOR the following proposals: 2. Approval of the 2019 Equity Incentive Award Plan. 3. Approval of the Amended and Restated Employee Stock Purchase Plan. 4. Approval, on anon-binding, advisory basis, of the compensation of Calix’s named executive officers. 5. Ratification of the selection of KPMG LLP as Calix’s independent registered public accounting firm for the fiscal year ending December 31, 2019. Such other business as may properly come before the meeting or any adjournment thereof.—P20605 E67907    

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