X0306 4 2018-05-30 0 0001494259 CarGurus, Inc. CARG 0001719138 Steinert Langley 2 CANAL PARK, 4TH FLOOR CAMBRIDGE MA 02141 1 1 1 0 CEO, President and Chairman Class A Common Stock 2018-05-30 4 G 0 75241 0.00 D 8705552 D Class A Common Stock 1006241 I See footnote Represents shares of the Issuer's Class A common stock that the Reporting Person donated as bona fide gifts to charitable organizations for no consideration. These shares are owned directly by The Langley Steinert Irrevocable Family Trust dated June 21, 2004, of which the Reporting Person's children are the beneficiaries. The Reporting Person may be deemed to have indirect ownership over such shares, but expressly disclaims beneficial ownership of such shares. /s/ Kathleen Patton, as attorney-in-fact 2018-05-30