X0306 4 2019-02-15 0001326801 Facebook Inc FB 0001541774 Taylor Susan J.S. C/O FACEBOOK, INC. 1601 WILLOW ROAD MENLO PARK CA 94025 1 Chief Accounting Officer Class A Common Stock 2019-02-15 4 M 0 1569 0 A 1569 D Class A Common Stock 2019-02-15 4 F 0 571 163.95 D 998 D Class A Common Stock 2019-02-15 4 M 0 680 0 A 1678 D Class A Common Stock 2019-02-15 4 F 0 236 163.95 D 1442 D Class A Common Stock 2019-02-20 4 S 0 1442 162.02 D 0 D Restricted Stock Units (RSU) (Class A) 2019-02-15 4 M 0 1569 0 D 2027-06-14 Class A Common Stock 1569 14123 D Restricted Stock Units (RSU) (Class A) 2019-02-15 4 M 0 680 0 D 2028-03-19 Class A Common Stock 680 8169 D Represents the number of shares of Class A Common Stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the Restricted Stock Units ("RSUs") and does not represent a sale by the reporting person. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the holder. Each RSU represents a contingent right to receive 1 share of the issuer's Class A Common Stock upon settlement. The RSUs vest as to 12/48th of the total shares on May 15, 2018 and then an additional 1/16th of the total shares vest quarterly thereafter, subject to continued service through each vesting date. The RSUs shall vest quarterly as to 1/16th of the total shares, commencing the first quarter following February 15, 2018, subject to continued service through each vesting date. /s/ Michael Johnson, attorney-in-fact for Susan Taylor 2019-02-20