WTI/Percentage - U.S. Archive

Effective Month	Surcharge Amount	Average Monthly WTI Price	Basis Month
08/2021	19.6%	$71.35	06/2021
07/2021	17.2%	$65.16	05/2021
06/2021	15.6%	$61.70	04/2021
05/2021	16.0%	$62.36	03/2021
04/2021	14.8%	$59.06	02/2021
03/2021	12.0%	$52.10	01/2021
02/2021	10.0%	$47.07	12/2020
01/2021	7.6%	$41.36	11/2020
12/2020	6.8%	$39.55	10/2020
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