Type	Name	Date
Underwriting agreement	Underwriting Agreement, by and among the Company and Citigroup Global Markets Inc. and Guggenheim Securities, LLC, as representatives of the underwriters named therein	05/16/2017
Underwriting agreement	Underwriting Agreement, by and among the Company and J.P. Morgan Securities LLC, Guggenheim Securities, LLC, and Wells Fargo Securities, LLC, as representatives of the underwriters named therein	02/11/2015
Underwriting agreement	Underwriting Agreement	12/03/2012