West Texas Intermediate & Light Crude Quality at ECHO

*Data represented is based on average sample results of individual WTI & WTL batches at ECHO. Individual batch quality may vary.

Product	Date Range	API	Sulfur	BS&W	Nickel	Vanadium
WTI	08/10/21 - 08/16/21	42.75	0.13	0.03	0.52	0.63
WTI	08/17/21 - 08/23/21	43.31	0.13	0.02	0.51	0.58
WTI	08/31/21 - 09/06/21	42.97	0.14	0.04	0.54	0.69
WTI	09/07/21 - 09/13/21	42.81	0.14	0.03	0.57	0.70

Product	Date Range	API	Sulfur	BS&W	Nickel	Vanadium
WTL	08/10/21 - 08/16/21	47.09	0.05	0.03	0.13	0.45
WTL	08/17/21 - 08/23/21	47.19	0.06	0.03	0.21	0.41
WTL	08/31/21 - 09/06/21	48.14	0.06	0.05	0.20	0.55
WTL	09/07/21 - 09/13/21	47.21	0.07	0.06	0.29	0.57

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Investors:	866-230-0745