UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ______

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ______

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1 1601 Willow Road Menlo Park, 94025

April 12, 2019

To Our Stockholders:

You are cordially invited to attend the 2019 Annual Meeting of Stockholders (Annual Meeting) of Facebook, Inc. to be held at the Hotel Nia, located at 200 Independence Drive, Menlo Park, California 94025 , on May 30, 2019 , at 11:00 a.. Pacific Time.

The matters expected to be acted upon at the Annual Meeting are described in detail in the accompanying Notice of Annual Meeting of Stockholders and proxy statement.

You may cast your vote over the Internet, by telephone, or by completing and mailing a proxy card to ensure that your shares will be represented. Your vote by proxy will ensure your representation at the Annual Meeting regardless of whether or not you attend in person. Returning the proxy does not deprive you of your right to attend the Annual Meeting and to vote your shares in person.

We look forward to seeing you at the Annual Meeting.

Mark Zuckerberg Susan D. Desmond-Hellmann Chairman and Chief Executive Officer Lead Independent Director

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE STOCKHOLDER MEETING TO BE HELD ON MAY 30, 2019: THIS PROXY STATEMENT AND THE ANNUAL REPORT ARE AVAILABLE AT www.proxyvote.com

2 Facebook, Inc. 1601 Willow Road Menlo Park, California 94025 NOTICE OF ANNUAL MEETING OF STOCKHOLDERS TO BE HELD ON MAY 30, 2019

To Our Stockholders:

NOTICE IS HEREBY GIVEN that the 2019 Annual Meeting of Stockholders (Annual Meeting) of Facebook, Inc. will be held at the Hotel Nia, located at 200 Independence Drive, Menlo Park, California 94025, on May 30, 2019 , at 11:00 a.m. Pacific Time.

We are holding the Annual Meeting for the following purposes, which are more fully described in the proxy statement accompanying this Notice:

1. To elect the following eight directors, all of whom are currently serving on our board of directors except for Ms. Alford, each to serve until the next annual meeting of stockholders and until his or her successor has been elected and qualified, or until his or her earlier death, resignation, or removal:

Peggy Alford Marc L. Andreessen Kenneth I. Chenault Susan D. Desmond-Hellma