Type	Name	Date
Indenture	Second Supplemental Indenture, by and between Southwest Gas Corporation and The Bank of New York Mellon Trust Company, N.A., as Trustee	08/20/2021
Indenture	Indenture, by and between Southwest Gas Corporation and The Bank of New York Mellon Trust Company, N.A., as Trustee	06/04/2020
Indenture	First Supplemental Indenture, by and between Southwest Gas Corporation and The Bank of New York Mellon Trust Company, N.A., as Trustee	06/04/2020
Indenture	Indenture, by and between Southwest Gas Corporation and The Bank of New York Mellon Trust Company, N.A., as Trustee	09/29/2016
Credit agreement	Amendment No. 3 to Revolving Credit Agreement, by and among Southwest Gas Corporation, each of the lenders parties to the Revolving Credit Agreement referred to therein, and The Bank of New York Mellon, as Administrative Agent	04/01/2016
Credit agreement	Amendment No. 2 to Revolving Credit Agreement, by and among Southwest Gas Corporation, each of the lenders parties to the Revolving Credit Agreement referred to therein, and The Bank of New York Mellon, as Administrative Agent	03/26/2015
Credit agreement	Amendment No. 1 to Revolving Credit Agreement, by and among Southwest Gas Corporation, each of the lenders parties to the Revolving Credit Agreement referred to therein, and The Bank of New York Mellon, as Administrative Agent	03/31/2014
Indenture	Indenture, by and between Southwest Gas Corporation and The Bank of New York Mellon Trust Company, N.A., as Trustee	10/04/2013
Indenture	Indenture, by and between Southwest Gas Corporation and The Bank of New York Mellon Trust Company, N.A., as Trustee	10/04/2013
Indenture	Indenture, by and between Southwest Gas Corporation and The Bank of New York Mellon Trust Company, N.A., as Trustee	03/23/2012
Indenture	First Supplemental Indenture, by and between Southwest Gas Corporation and The Bank of New York Mellon Trust Company, N.A., as trustee (including the Form of 4.45% Senior Note due 2020)	12/10/2010
Indenture	Indenture, by and between Southwest Gas Corporation and The Bank of New York Mellon Trust Company, N.A., as Trustee	12/07/2010

Type	Name	Date
Merger agreement	Agreement and Plan of Merger, by and among Southwest Gas Corporation, Southwest Reorganization Co., and Southwest Gas Holdings, Inc	01/04/2017