X0306 4 2019-08-12 0 0001528129 Laredo Petroleum, Inc. LPI 0001162870 WARBURG PINCUS LLC C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001239318 KAYE CHARLES R C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001220638 Landy Joseph P. C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 Common Stock, par value $0.01 per share (''Common Stock'') 51170146 I See Footnotes Common Stock 2019-08-12 4 S 0 69874 2.76 D 51170146 I See Footnotes Common Stock 51226490 I See Footnotes See Exhibit 99.1; Note 1. See Exhibit 99.1; Note 2. See Exhibit 99.1; Note 3. See Exhibit 99.1: Note 4. See Exhibit 99.1: Note 5. The sale of 69,874 shares of Common Stock was not a transaction on behalf of the Warburg Pincus Funds, Warburg Pincus LLC, or Warburg Pincus but was on behalf of Charles R. Kaye. See Exhibit 99.1: Note 6. See Exhibit 99.1 Exhibit List: Exhibit 99.1 - Explanation of Responses Exhibit 99.2 - Joint Filer Information *** The Power of Attorney given by each of Mr. Kaye and Mr. Landy was previously filed with the U.S. Securities and Exchange Commission on July 12, 2016 as an exhibit to a beneficial ownership report on Schedule 13D filed by Warburg Pincus LLC with respect to WEX Inc. and is hereby incorporated by reference. WARBURG PINCUS LLC 2019-08-14 CHARLES R. KAYE By: 2019-08-14 JOSEPH P. LANDY By: 2019-08-14