Type	Name	Date
Credit agreement	Credit Agreement, by and among Westlake Corporation, the lenders from time to time party thereto, the issuing banks party thereto and JPMorgan Chase Bank, National Association, as Administrative Agent, relating to a $1.5 billion senior unsecured revolving credit facility	06/09/2022
Credit agreement	Credit Agreement, by and among Westlake Corporation, the lenders from time to time party thereto, the issuing banks party thereto and JPMorgan Chase Bank, National Association, as Administrative Agent, relating to a $1.5 billion senior unsecured revolving credit facility	06/09/2022
Credit agreement	Credit Agreement, by and among Westlake Chemical Corporation, the lenders from time to time party thereto, the issuing banks party thereto and JPMorgan Chase Bank, National Association, as Administrative Agent, relating to a $1 billion senior unsecured revolving credit facility	07/26/2018
Registration rights agreement	Registration Rights Agreement, among Westlake Chemical Corporation, the Guarantors (as defined therein) and Deutsche Bank Securities Inc. and Goldman, Sachs & Co., as dealer managers	09/07/2016
Credit agreement	Credit Agreement, by and among Westlake Chemical Corporation, the other borrowers and guarantors referred to therein, the lenders from time to time party thereto, the issuing banks party thereto and JPMorgan Chase Bank, National Association, as Administrative Agent, relating to a $1 billion senior unsecured revolving credit facility	08/24/2016
Credit agreement	Third Amended and Restated Credit Agreement, by and among the financial institutions party thereto, as lenders, Bank of America, N.A., as agent, and Westlake and certain of its domestic subsidiaries, as borrowers, relating to a $400 million senior secured revolving credit facility	07/17/2014
Credit agreement	Second Amended and Restated Credit Agreement by and among the financial institutions party thereto, as lenders, Bank of America, N.A., as agent, and Westlake and certain of its domestic subsidiaries, as borrowers, relating to a $400 million senior secured revolving credit facility	06/27/2014
Credit agreement	Second Amended and Restated Credit Agreement by and among the financial institutions party thereto, as lenders, Bank of America, N.A., as agent, and Westlake and certain of its domestic subsidiaries, as borrowers, relating to a $400 million senior secured revolving credit facility	09/19/2011

Type	Name	Date
Merger agreement	Agreement and Plan of Merger, by and among Westlake Chemical Corporation, Lagoon Merger Sub, Inc. and Axiall Corporation	06/14/2016