WTI/Percentage - U.S. Archive

Effective Month	Surcharge Amount	Average Monthly WTI Price	Basis Month
11/2020	6.8%	$39.63	09/2020
10/2020	8.0%	$42.38	08/2020
09/2020	7.2%	$40.77	07/2020
08/2020	6.4%	$38.31	06/2020
07/2020	2.4%	$28.50	05/2020
06/2020	0%	$16.77	04/2020
05/2020	3.2%	$30.45	03/2020
04/2020	11.2%	$50.54	02/2020
03/2020	14.0%	$57.53	01/2020
02/2020	14.8%	$59.80	12/2019
01/2020	14.0%	$57.07	11/2019
12/2019	12.8%	$54.01	10/2019
11/2019	13.6%	$56.97	09/2019
10/2019	12.8%	$54.84	08/2019
09/2019	14%	$57.55	07/2019
08/2019	12.8%	$54.71	06/2019
07/2019	15.2%	$60.87	05/2019
06/2019	16.4%	$63.87	04/2019
05/2019	14.4%	$58.17	03/2019
04/2019	12.8%	$54.98	02/2019
03/2019	11.6%	$51.55	01/2019
02/2019	10.4%	$48.98	12/2018
01/2019	13.6%	$56.69	11/2018
12/2018	19.2%	$70.76	10/2018
11/2018	19.2%	$70.08	09/2018