Langston Oil & Gas LLC		Summary Page List of Leases

Year	Oil			Gas
	Production (bbls)	Wells	Cumulative (bbls)	Production (mcf)	Wells	Cumulative (mcf)
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1990	-	1	1,939	-	-	0
1991	1,451	1	3,390	-	-	0
1992	1,453	1	4,843	-	-	0
1993	1,453	1	6,296	-	-	0
1994	1,275	1	7,571	-	-	0
1995	1,273	1	8,844	-	-	0
1996	6,157	1	15,001	-	-	0
1997	5,259	1	20,260	-	-	0
1998	4,373	1	24,633	-	-	0
1999	2,419	1	27,052	22,175	1	22,175
2000	10,622	16	37,674	23,583	1	45,758
2001	15,169	15	52,843	47,495	1	93,253
2002	15,942	14	68,785	47,137	0	140,390
2003	14,948	14	83,733	46,173	0	186,563
2004	10,756	14	94,489	56,303	0	242,866
2005	10,880	17	105,369	64,938	0	307,804
2006	12,592	16	117,961	73,903	0	381,707
2007	11,310	17	129,271	74,524	0	456,231
2008	11,959	17	141,230	75,129	0	531,360
2009	10,943	18	152,173	70,038	0	601,398
2010	7,957	16	160,130	46,480	0	647,878
2011	9,841	17	169,971	-	-	647,878
2012	13,753	17	183,724	-	-	647,878
2013	11,351	15	195,075	-	-	647,878
2014	15,736	16	210,811	-	-	647,878
2015	9,934	15	220,745	-	-	647,878
2016	7,569	14	228,314	-	-	647,878
2017	4,623	10	232,937	-	-	647,878
2018	5,745	15	238,682	-	-	647,878
2019	4,351	13	243,033	-	-	647,878
2020	2,204	6	245,237	-	-	647,878
2021	2,315	8	247,552	-	-	647,878
2022	2,221	11	249,773	-	-	647,878
2023	3,197	9	252,970	-	-	647,878

Updated through 12-2023.