X0306 4 2018-02-06 0 0001308547 Dolby Laboratories, Inc. DLB 0000935901 GOTCHER PETER C C/O DOLBY LABORATORIES, INC. 1275 MARKET STREET SAN FRANCISCO CA 94103 1 0 0 0 Class A Common Stock 2018-02-06 4 A 0 3920 0.00 A 51136 D Class A Common Stock 2018-02-06 4 S 0 433 60.89 D 50703 D Class A Common Stock 2018-02-06 4 S 0 4700 62.2138 D 46103 D Class A Common Stock 2018-02-06 4 S 0 100 62.79 D 45903 D Award represents a total of 3,920 restricted stock units granted under the terms of the Issuer's 2005 Stock Plan. Each unit represents a contingent right to receive one share of the Issuer's Class A Common Stock upon vesting, which will occur on the earlier of (i) the first anniversary of the date of grant or (ii) the date immediately preceding the date of Issuer's 2019 annual meeting of stockholders, provided that, in either case, the Reporting Person continues to serve as a member of the Issuer's board of directors on such date. Shares held following the reported transactions include 3,920 restricted stock units, which are subject to forfeiture until they vest. This transaction was executed in multiple trades at prices ranging from $60.68 to $61.27. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected. This transaction was executed in multiple trades at prices ranging from $61.69 to $62.65. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected. The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan. /s/ Daniel Rodriguez, as Attorney-in-Fact for Peter Gotcher 2018-02-08