X0306 4 2020-12-17 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 2020-12-17 4 F 0 217 91.03 D 12460 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 8,220 shares of Class A common stock underlying restricted stock units, which are subject to forfeiture until they vest. /s/ Daniel Rodriguez, Attorney-in-Fact for Ryan Nicholson 2020-12-21