Transactions Table

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Explanation of Responses:

Id	Content
F1	Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the holder.
F2	On June 1, 2021, the Dagmar Dolby Trust (as defined below) converted 21,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization.
F3	Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the "Dagmar Dolby Trust"), voting power over which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their respective pecuniary interest therein.
F4	Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis.
F5	Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby 2002 Trust A, dated April 19, 2002 (the "Ray Dolby 2002 Trust A"), voting power over which is held by Thomas E. Dolby, son of Dagmar Dolby, as Special Trustee of the Ray Dolby 2002 Trust A. This report is filed by Dagmar Dolby with respect to the securities held by the Ray Dolby 2002 Trust A. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.
F6	Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby 2002 Trust B, dated April 19, 2002 (the "Ray Dolby 2002 Trust B"), voting power over which is held by David E. Dolby as Special Trustee of the Ray Dolby 2002 Trust B. This report is filed by Dagmar Dolby with respect to the securities held by the Ray Dolby 2002 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.
F7	Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dolby Holdings II LLC, a limited liability company ("Dolby Holdings II"), investment power over which is held by Dagmar Dolby, manager of Dolby Holdings II, and voting power over which is held by (i) Thomas E. Dolby, a Special Manager of Dolby Holdings II, with respect to 50% of such shares, and (ii) David E. Dolby, a Special Manager of Dolby Holdings II, with respect to 50% of such shares. This report is filed by Dagmar Dolby with respect to the securities held by Dolby Holdings II. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.
F8	Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power of which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2016 Trust B. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2016 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.
F9	Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dolby Holdings III LLC, a limited liability company ("Dolby Holdings III"), investment power over which is held by Dagmar Dolby, the manager of Dolby Holdings III, and voting power over which is held by David E. Dolby, the Special Manager of Dolby Holdings III. This report is filed by Dagmar Dolby with respect to the securities held by Dolby Holdings III. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.
F10	Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Marital Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the "Marital Trust"), voting power over which is shared by the Trustee and David E. Dolby as Special Trustee of the Marital Trust. This report is filed by Dagmar Dolby with respect to the securities held by the Marital Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.
F11	Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2020 Trust BB-2, dated November 18, 2020 (the "Dagmar Dolby 2020 Trust BB-2"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2020 Trust BB-2. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2020 Trust BB-2. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.