B. Robert Rowling

Insider Trading: Purchases

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
NOG	$0.00	10,947	$0.00	10,947	2019-11-22	Filing
NOG	$1.60	25,100	$40,160.00	78,207,101	2019-08-16	Filing
NOG	$1.60	493,800	$787,907.28	78,182,001	2019-08-15	Filing
NOG	$1.60	466,200	$745,873.38	77,688,201	2019-08-14	Filing
NOG	$1.57	508,382	$797,244.65	77,222,001	2019-08-07	Filing
NOG	$1.54	1,000,000	$1,538,500.00	76,713,619	2019-08-06	Filing
NOG	$2.09	279,772	$583,464.51	75,713,619	2019-05-28	Filing
NOG	$2.05	720,288	$1,474,645.62	75,433,847	2019-05-24	Filing
NOG	$2.32	471,700	$1,092,834.56	74,713,619	2019-05-16	Filing
NOG	$2.16	294,400	$635,992.32	74,241,919	2019-05-15	Filing
NOG	$2.15	233,900	$502,440.59	73,947,519	2019-05-14	Filing
NOG	$2.63	137,409	$360,973.44	12,202,365	2016-02-23	Filing
NOG	$2.76	200,000	$551,020.00	12,064,956	2016-02-22	Filing
NOG	$2.75	161,395	$443,723.27	11,864,956	2016-02-19	Filing
NOG	$3.07	156,332	$479,235.75	11,703,561	2016-02-18	Filing
NOG	$3.04	102,891	$312,726.91	11,547,229	2016-02-17	Filing
NOG	$2.77	112,272	$311,038.35	11,444,338	2016-02-16	Filing
NOG	$3.11	146,319	$454,847.24	10,465,455	2016-02-04	Filing
NOG	$3.08	131,807	$405,504.24	10,319,136	2016-02-03	Filing
NOG	$2.91	83,000	$241,845.40	10,187,329	2016-02-02	Filing