X0306 4 2022-03-01 0 0001671933 Trade Desk, Inc. TTD 0001670811 Paley Eric B C/O THE TRADE DESK, INC. 42 NORTH CHESTNUT STREET VENTURA CA 93001 1 0 0 0 Class A Common Stock 2022-03-01 4 S 0 2319 82.09 D 114411 D Class A Common Stock 2022-03-01 4 S 0 2649 82.84 D 111762 D Class A Common Stock 2022-03-01 4 S 0 1899 84.13 D 109863 D Class A Common Stock 2022-03-01 4 S 0 633 85.48 D 109230 D Class A Common Stock 2022-03-01 4 S 0 3456 82.24 D 51812 I See Footnote Class A Common Stock 2022-03-01 4 S 0 1618 83.09 D 50194 I See Footnote Class A Common Stock 2022-03-01 4 S 0 1389 84.18 D 48805 I See Footnote Class A Common Stock 2022-03-01 4 S 0 895 85.05 D 47910 I See Footnote Class A Common Stock 2022-03-01 4 S 0 142 86.07 D 47768 I See Footnote Class A Common Stock 43920 I See Footnote The sales reported in this Form 4 were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.44 to $82.38, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.43 to $83.36, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.55 to $84.54, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.13 to $86.07, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.62 to $82.62, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The reported securities are owned directly by the Eric Paley 2015 Remainder Trust (the "2015 Remainder Trust"). The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.74 to $83.58, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.80 to $84.63, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.82 to $85.57, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The reported securities are owned directly by the Eric Paley 2015 Remainder Trust - GST Exempt Share (the "2015 Remainder Trust-Exempt"). /s/ Kelli Faerber - Attorney-In-Fact for Eric B. Paley 2022-03-03