X0306 4 2021-02-19 0001393612 Discover Financial Services DFS 0001830021 Toney Keith E 2500 LAKE COOK ROAD RIVERWOODS IL 60015 true EVP, Data and Analytics Common Stock 2021-02-19 4 A 0 4259 0 A 24148 D Includes 72.5499 shares acquired under the Discover Financial Services Employee Stock Purchase Plan on December 31, 2020. /s/ Rajeev Khurana as Attorney-in-Fact for Keith Toney 2021-02-23