Type	Name	Date
Underwriting agreement	Underwriting Agreement	06/22/2020
Indenture	First Supplemental Indenture, between the Company and U.S. Bank National Association	05/08/2018
Underwriting agreement	Underwriting Agreement	10/31/2017
Registration rights agreement	Registration Rights Agreement	11/21/2012
Underwriting agreement	Underwriting Agreement	10/16/2012
Registration rights agreement	Registration Rights Agreement	05/03/2012