Type	Name	Date
Securities purchase agreement	Purchase Agreement	09/28/2016
Registration rights agreement	Registration Rights Agreement	09/28/2016
Securities purchase agreement	Securities Purchase Agreement	05/08/2012
Securities purchase agreement	Securities Purchase Agreement	05/08/2012
Underwriting agreement	Underwriting Agreement	11/15/2010
Underwriting agreement	Underwriting Agreement	10/13/2009

Type	Name	Date
Severance agreement	Severance Agreement and Release, between the Company and William C. Mills III	02/06/2017