X0306 4 2016-02-02 0 0001104485 NORTHERN OIL & GAS, INC. NOG 0001436419 Rowling Robert B. 4001 MAPLE AVENUE, SUITE 600 DALLAS TX 75219 0 0 1 0 0001376323 TRT Holdings Inc 4001 MAPLE AVENUE, SUITE 600 DALLAS TX 75219 0 0 1 0 0001660745 Cresta Investments, LLC 4001 MAPLE AVENUE, SUITE 600 DALLAS TX 75219 0 0 1 0 0001660744 Cresta Greenwood, LLC 4001 MAPLE AVENUE, SUITE 600 DALLAS TX 75219 0 0 1 0 Common Stock, $0.001 par value per share 2016-02-02 4 P 0 83000 2.9138 A 10187329 D Common Stock, $0.001 par value per share 2016-02-03 4 P 0 131807 3.0765 A 10319136 D Common Stock, $0.001 par value per share 2016-02-04 4 P 0 146319 3.1086 A 10465455 D The price reported is the weighted average price. The shares were purchased in multiple transactions by TRT Holdings, Inc. at prices ranging from $2.8750 to $2.9500 per share, inclusive. The reporting persons undertake to provide Northern Oil and Gas, Inc., any stockholder of Northern Oil and Gas, Inc., or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. The price reported is the weighted average price. The shares were purchased in multiple transactions by TRT Holdings, Inc. at prices ranging from $2.8400 to $3.1500 per share, inclusive. The reporting persons undertake to provide Northern Oil and Gas, Inc., any stockholder of Northern Oil and Gas, Inc., or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. The price reported is the weighted average price. The shares were purchased in multiple transactions by TRT Holdings, Inc. at prices ranging from $3.0300 to $3.2300 per share, inclusive. The reporting persons undertake to provide Northern Oil and Gas, Inc., any stockholder of Northern Oil and Gas, Inc., or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. 5,173,311 of the reported securities are owned directly by TRT Holdings, Inc., 3,947,921 of the reported securities are owned directly by Cresta Investments, LLC and 1,344,223 of the reported securities are owned directly by Cresta Greenwood, LLC. Robert B. Rowling indirectly beneficially owns all of the reported securities due to his ownership of all Class B shares of Common Stock of TRT Holdings, Inc., his ownership of 100% of the ownership interests in Cresta Investments, LLC, and his indirect ownership of 100% of the ownership interests in Cresta Greenwood, LLC. /s/ Robert B. Rowling 2016-02-04 /s/ Michael G. Smith, Senior Vice President, on behalf of TRT Holdings, Inc. 2016-02-04 /s/ Michael G. Smith, Secretary, on behalf of Cresta Investments, LLC 2016-02-04 /s/ Michael G. Smith, Vice President, on behalf of Cresta Greenwood, LLC 2016-02-04