X0306 4 2020-11-25 1 0001528129 Laredo Petroleum, Inc. LPI 0001528258 Warburg Pincus Private Equity X O&G, L.P. C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001451560 Warburg Pincus X Partners, L.P. C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001414561 Warburg Pincus X, L.P. C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001414564 Warburg Pincus X GP L.P. C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001621874 WPP GP LLC C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001621242 Warburg Pincus Partners, L.P. C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001621224 Warburg Pincus Partners GP LLC C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0000929408 WARBURG PINCUS & CO. C/O WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001162870 WARBURG PINCUS LLC 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'') 2020-11-25 4 S 0 116701 12.0698 D 404052 D Common Stock 2020-11-25 4 S 0 3733 12.0698 D 13251 D Common Stock 2020-11-25 4 S 0 8286 12.4091 D 395766 D Common Stock 2020-11-25 4 S 0 265 12.4091 D 12986 D Common Stock 2020-11-30 4 S 0 395766 12.0061 D 0 D Common Stock 2020-11-30 4 S 0 12986 12.0061 D 0 D Common Stock 0 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. See Exhibit 99.1; Note 6. See Exhibit 99.1; Note 7. See Exhibit 99.1; Note 8. See Exhibit 99.1; Note 9. See Exhibit 99.1; Note 10. See Exhibit 99.1 Exhibit List: Exhibit 99.1 - Explanation of Responses Exhibit 99.2 - Joint Filer Information Exhibit 99.3 - Joint Filers' Signatures /s/ Robert B. Knauss 2020-11-30