X0306 4 2019-12-16 0 0001308547 Dolby Laboratories, Inc. DLB 0001767009 Nicholson Ryan C/O DOLBY LABORATORIES, INC. 1275 MARKET STREET SAN FRANCISCO CA 94103 0 1 0 0 VP, Corporate Controller Class A Common Stock 2019-12-16 4 F 0 596 67.75 D 8078 D Class A Common Stock 2019-12-16 4 A 0 2250 0.00 A 10328 D Class A Common Stock 2019-12-17 4 F 0 217 68.40 D 10111 D Employee Stock Option (Right to Buy) 68.40 2019-12-16 4 A 0 10225 0.00 A 2029-12-16 Class A Common Stock 10225 10225 D In accordance with Rule 16b-3, shares reported as disposed of were withheld by the Issuer and not issued to the reporting person in order to cover withholding taxes incidental to the vesting of restricted stock units. Shares held following the reported transactions include 4,563 shares of Class A common stock underlying restricted stock units, which are subject to forfeiture until they vest. Shares include 95 shares acquired under the Issuer's Employee Stock Purchase Plan on November 15, 2019. Award represents a total of 2,250 restricted stock units granted under the terms of the Issuer's 2005 Stock Plan. Under the terms of the restricted stock unit grant agreement, 1/4 of the total number of units shall vest on each anniversary of December 16, 2019. Each unit represents a contingent right to receive one share of the Issuer's Class A Common Stock upon vesting. Shares held following the reported transactions include 6,813 shares of Class A common stock underlying restricted stock units, which are subject to forfeiture until they vest. Shares held following the reported transactions include 6,188 shares of Class A common stock underlying restricted stock units, which are subject to forfeiture until they vest. This option was granted for a total of 10,225 shares of Class A Common Stock. 1/4 of the total number of shares issuable under the option vests on the first anniversary of December 16, 2019, the vesting commencement date, and the balance of the shares in equal monthly installments over the next 36 months thereafter. /s/ Daniel Rodriguez, Attorney-in-Fact for Ryan Nicholson 2019-12-18