X0306 4 2021-08-05 0 0001666071 Cardlytics, Inc. CDLX 0001697919 SOSIN CLIFFORD C/O CAS INVESTMENT PARTNERS, LLC 135 E 57TH STREET, SUITE 18-108 NEW YORK NY 10022 0 0 1 0 Common Stock 2021-08-05 4 P 0 370619 87.0651 A 4859591 I See Footnote 3,120,176 of these shares are owned directly by Sosin Master, L.P., and Reporting Person is the Managing Member of CAS Investment Partners, LLC, which is investment manager to Sosin Master, L.P. The remaining 1,739,415 shares are owned directly by CSWR Partners, L.P., and Reporting Person is the Managing Member of CAS Investment Partners, LLC, which is investment manager to CSWR Partners, L.P. /s/ Clifford Sosin 2021-08-09