Type	Name	Date
Underwriting agreement	Underwriting Agreement, among the Company and Morgan Stanley & Co. LLC and JMP Securities LLC, as representatives of the several underwriters named therein	02/22/2019
Indenture	First Supplemental Indenture, between the Company and Wells Fargo Bank, National Association, as Trustee	05/01/2013
Underwriting agreement	Underwriting Agreement, among the Company and MLV and Co. LLC and JMP Securities LLC, as representatives of the several underwriters named therein	04/29/2013
Underwriting agreement	Underwriting Agreement, among the Company and Barclays Capital Inc. and Credit Suisse Securities (USA) LLC, as representatives of the several underwriters named therein	03/13/2013