X0303 4 2011-03-04 0 0001104485 NORTHERN OIL & GAS, INC. N O G 0001287481 Meier Lisa 315 MANITOBA AVE, SUITE 200 WAYZATA MN 55391 1 0 0 0 Common Stock 2011-03-04 4 S 0 10425 32.5912 D 18555 D Reflects the average price of 10,425 shares sold in multiple transactions on March 4, 2011 with sales prices ranging from $32.45 to $32.76. The reporting person undertakes to provide upon request by the US Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price on each date. /s/ Lisa Meier 2011-03-04