X0508 4 2023-12-14 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 0 Class A Common Stock 2023-12-14 4 C 0 117000 0.00 A 1717209 I See Footnote Class A Common Stock 2023-12-14 4 G 0 117000 0.00 D 1600209 I See Footnote Class A Common Stock 2023-12-14 4 G 0 117000 0.00 A 825216 I See Footnote Class A Common Stock 213376 D Class B Common Stock 2023-12-14 4 C 0 117000 0.00 D Class A Common Stock 117000 30215480 I See Footnote Class B Common Stock Class A Common Stock 12666670 12666670 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 (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. Represents securities held by the Jeff T. Green Family 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 various family trusts over which Mr. Green exercises investment and voting control. As a result, Mr. Green may be deemed to beneficially own such securities but disclaims such ownership except to the extent of his pecuniary interest therein. /s/ Kelli Faeber, Attorney-in-Fact for Jeffrey Terry Green 2023-12-18