Type	Name	Date
Indenture	Second Supplemental Indenture, by and among CoBiz Financial Inc., BOKF Merger Corporation Number Sixteen and U.S. Bank National Association	10/01/2018
Underwriting agreement	Underwriting Agreement	06/25/2015
Underwriting agreement	Underwriting Agreement	03/20/2012

Type	Name	Date
Employment agreement	Employment Agreement	06/18/2018

Type	Name	Date
Merger agreement	Agreement and Plan of Merger, by and among CoBiz Financial Inc., BOK Financial Corporation and BOKF Merger Corporation Number Sixteen	06/18/2018