X0306 4 2020-12-28 0 0001671933 Trade Desk, Inc. TTD 0001671445 Green Jeffrey Terry C/O THE TRADE DESK, INC. 42 NORTH CHESTNUT STREET VENTURA CA 93001 1 1 1 0 President and CEO Class A Common Stock 2020-12-28 4 C 0 12000 0.00 A 12000 I See Footnote Class A Common Stock 2020-12-30 5 G 0 E 12000 0.00 D 0 I See Footnote Class A Common Stock 2020-12-30 5 G 0 E 12000 0.00 A 12000 I See Footnote Class A Common Stock 72366 D Class B Common Stock 2020-12-28 4 C 0 12000 0.00 D Class A Common Stock 12000 3637759 I See Footnote Class B Common Stock Class A Common Stock 1266667 1266667 I See Footnote Represents securities held by the Jeff Green Trust (the "Trust"). Mr. Green is a Trustee of the Trust and has investment and voting control over the shares held by the Trust, and may be deemed to indirectly beneficially own the shares held by the Trust. Represents a transfer of shares from the Reporting Person to the Jeff T. Green Family Foundation. Represents securities held by the Jeff T. Green Family Foundation (the "Foundation"). Mr. Green is the sole member and director of the Foundation and has investment and voting control over the shares held by the Foundation, and may be deemed to indirectly beneficially own the shares held by the Foundation. Each share of Class B Common Stock has no expiration date and is convertible for no additional consideration into one (1) share of Class A Common Stock at the option of the holder thereof at any time and upon certain other circumstances. Represents securities held by the Green Irrevocable Trust of 2015 (the "Irrevocable Trust"). Mr. Green is a Trustee of the Irrevocable Trust and has investment and voting control over the shares held by the Irrevocable Trust, and may be deemed to indirectly beneficially own the shares held by the Irrevocable Trust. /s/ Alfred Palomino, Attorney in fact for Jeffrey Terry Green 2020-12-30