Type	Name	Date
Credit agreement	FOURTH AMENDMENT TO CREDIT AGREEMENT	08/25/2020
Credit agreement	THIRD AMENDMENT TO CREDIT AGREEMENT	04/23/2020
Credit agreement	FIRST AMENDMENT TO CREDIT AGREEMENT	08/01/2019
Credit agreement	Credit Agreement, among the Company, the lenders from time to time party thereto, and MSD PCOF Partners VI, LLC, as Administrative Agent	12/14/2018
Credit agreement	Credit Agreement, among the Company, the other credit parties thereto, the lenders from time to time party thereto, Cadence Bank, N.A. and Texas Capital Bank, N.A., as co-syndication agents and Wells Fargo Bank, National Association, as administrative agent, swingline lender, issuing lender, sole lead arranger and sole bookrunner	11/15/2016
Credit agreement	Third Amendment to Credit Agreement, among the Company, the lenders from time to time party thereto, Wells Fargo Bank, National Association, as administrative agent, and Amegy Bank National Association, as syndication agent	10/06/2015
Credit agreement	Second Amendment to Credit Agreement, among the Company, the lenders from time to time party thereto, Wells Fargo Bank, National Association, as administrative agent, and Amegy Bank National Association, as syndication agent	11/12/2014
Credit agreement	First Amendment to Credit Agreement, among the Company, the lenders from time to time party thereto, Wells Fargo Bank, National Association, as administrative agent, and Amegy Bank National Association, as syndication agent	03/27/2014
Credit agreement	Second Amendment to Credit Agreement, among the Company, the lenders from time to time party thereto, Wells Fargo Bank, National Association, as administrative agent, and Amegy Bank National Association, as syndication agent	07/27/2010