Type	Name	Date
Credit agreement	Amended and Restated Credit Agreement, between The Williams Companies, Inc., Northwest Pipeline LLC, and Transcontinental Gas Pipeline Company, LLC, as borrowers, the lenders named therein, and Wells Fargo Bank, National Association, as Administrative Agent	10/08/2021
Indenture	Second Supplemental Indenture, between The Williams Companies, Inc. and The Bank of New York Mellon Trust Company, N.A	08/10/2018
Credit agreement	Credit Agreement, between The Williams Companies, Inc., Northwest Pipeline LLC, and Transcontinental Gas Pipeline Company, LLC, as co-borrowers, the lenders named therein, and Citibank, N.A. as Administrative Agent	07/17/2018
Indenture	Indenture, between Transcontinental Gas Pipe Line Company, LLC and The Bank of New York Mellon Trust Company, N.A., as trustee	03/15/2018
Registration rights agreement	Registration Rights Agreement, among Transcontinental Gas Pipe Line Company, LLC and the initial purchasers listed therein	03/15/2018
Indenture	Indenture, between Transcontinental Gas Pipe Line Company, LLC and The Bank of New York Mellon Trust Company, N.A., as trustee	01/22/2016
Credit agreement	Credit Agreement, between Williams Partners L.P., the lenders named therein, and Barclays Bank PLC as Administrative Agent	12/23/2015
Credit agreement	Second Amended and Restated Credit Agreement, between The Williams Companies, Inc., the lenders named therein, and Citibank, N.A. as Administrative Agent	02/03/2015
Indenture	Second Supplemental Indenture, between The Williams Companies, Inc. and The Bank of New York Mellon Trust Company, N.A., as trustee	06/24/2014
Indenture	Indenture, between the Williams Companies, Inc. and The Bank of New York Mellon Trust Company, N.A. as trustee	12/20/2012
Indenture	First Supplemental Indenture, between The Williams Companies, Inc. and The Bank of New York Mellon Trust Company, N.A. as trustee	12/20/2012
Indenture	Indenture, between WPX Energy, Inc. and The Bank of New York Mellon Trust Company, N.A., as trustee	11/15/2011
Credit agreement	Credit Agreement, by and among The Williams Companies, Inc., the lenders named therein, and Citibank, N.A., as Administrative Agent	06/09/2011
Credit agreement	Credit Agreement, by and among WPX Energy, Inc., the lenders named therein, and Citibank, N.A., as Administrative Agent and Swingline Lender	06/09/2011

Type	Name	Date
Merger agreement	Agreement and Plan of Merger, by and among The Williams Companies, Inc., SCMS LLC, Williams Partners L.P., and WPZ GP LLC	05/17/2018
Merger agreement	Agreement and Plan of Merger, by and among The Williams Companies, Inc., SCMS LLC, Williams Partners L.P., and WPZ GP LLC	05/13/2015