Unlike Texas Oil & Gas Companies Experiencing Total Pretax Income Growth of a Blistering 67% in the March 2018 Quarter, the 16 Oklahoma Oil & Gas Companies Posted a Very Disappointing Total Pretax Income Decline of 19% in the March 2018 Quarter ........................................................................................

From a review of SEC filings, the below chart shows the US GAAP Pretax Income (Loss) From Continuing Operations, the US GAAP Net Income (Loss) From Continuing Operations and the related US GAAP Income Tax Expense for the March 2018 and 2017 Quarters for all US  Companies including both Partnerships and REITs which are Headquartered in the US State of Oklahoma with March 2018 Quarter Ends, with stock market caps above $1 Bil recently and which have released their March 2018 Quarter Earnings by June 1, 2018.

									US GAAP	US GAAP		US GAAP	US GAAP
		US GAAP				US GAAP			Effective	Effective		Pretax	Net
	US GAAP	Income	US GAAP		US GAAP	Income	US GAAP		Income	Income		Income	Income
Oklahoma Companies	Pretax	Tax	Net		Pretax	Tax	Net		Tax	Tax		% Change	% Change
Market Caps At Least $1 Bil	Income	Expense	Income		Income	Expense	Income		Rate	Rate		March Qtr	March Qtr
Releasing March 2018 Qtr	March Qtr	March Qtr	March Qtr		March Qtr	March Qtr	March Qtr		March Qtr	March Qtr		2018	2018
Earnings By June 1, 2018	2018	2018	2018		2017	2017	2017		2018	2017		vs 2017	vs 2017
	mils $	mils $	mils $		mils $	mils $	mils $
Oil & Gas Cos
Williams Partners LP	384	-	384		663	3	660		0.0%	0.5%		-42%	-42%
ONEOK	342	76	266		241	55	186		22.2%	22.8%		42%	43%
Williams Companies	325	55	270		606	37	569		16.9%	6.1%		-46%	-53%
Continental Resources	305	71	234		6	6	-		23.3%	100.0%		4983%	NM
Chesapeake Energy	294	-	294		142	1	141		0.0%	0.7%		107%	109%
Magellan Midstream Partners LP	212	1	211		224	1	223		0.5%	0.4%		-5%	-5%
Enable Midstream Partners LP	114	-	114		121	1	120		0.0%	0.8%		-6%	-5%
NGL Energy Partners LP	111	-	111		26	-	26		0.0%	0.0%		327%	327%
Mammoth Energy Services	101	46	55		(8)	(3)	(5)		45.5%	37.5%		-1363%	-1200%
Gulfport Energy	90	-	90		154	-	154		0.0%	0.0%		-42%	-42%
Laredo Petroleum	87	-	87		68	-	68		0.0%	0.0%		28%	28%
Unit Corp	12	4	8		30	14	16		33.3%	46.7%		-60%	-50%
Helmerich & Payne	(6)	(4)	(2)		(70)	(22)	(48)		66.7%	31.4%		91%	96%
Semgroup	(10)	23	(33)		(10)	-	(10)		-230.0%	0.0%		0%	230%
WPX Energy	(41)	(15)	(26)		128	33	95		36.6%	25.8%		-132%	-127%
Devon Energy	(181)	(28)	(153)		325	8	317		15.5%	2.5%		-156%	-148%
Total all 16 Oil & Gas Cos	2,139	229	1,910		2,646	134	2,512		10.7%	5.1%		-19%	-24%
Non-Oil & Gas Cos
Alliance Resource Partners LP	156	-	156		105	-	105		0.0%	0.0%		49%	49%
BOK Financial	136	31	105		127	38	89		22.8%	29.9%		7%	18%
ONE Gas	116	25	91		114	38	76		21.6%	33.3%		2%	20%
OGE Energy	65	10	55		56	20	36		15.4%	35.7%		16%	53%
Paycom Software	52	11	41		52	19	33		21.2%	36.5%		0%	24%
BancFirst Corp	37	7	30		33	11	22		18.9%	33.3%		12%	36%
AAON Inc	5	1	4		14	4	10		20.0%	28.6%		-64%	-60%
Total all 7 Non-Oil & Gas Cos	567	85	482		501	130	371		15.0%	25.9%		13%	30%
Total all 23 Oklahoma Cos	2,706	314	2,392		3,147	264	2,883		11.6%	8.4%		-14%	-17%