X0306 4 2018-09-21 0 0001671933 Trade Desk, Inc. TTD 0001206977 FALBERG KATHRYN E C/O THE TRADE DESK, INC. 42 NORTH CHESTNUT STREET VENTURA CA 93001 1 0 0 0 Class A Common Stock 2018-09-21 4 G 0 500 0.00 D 49786 D Class A Common Stock 2018-11-28 4 S 0 20000 134.8346 D 60000 I By Family Trust Bona fide gift not for value of Class A Common Stock to a charity. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.63 to $135.165, 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. /s/ Vivian Yang, Attorney-in-Fact for Kathryn E. Falberg 2018-11-30