X0306 4 2018-10-01 1 0001028734 COBIZ FINANCIAL INC COBZ 0001444193 Rhinehart Mary K 1401 LAWRENCE ST. STE. 1200 DENVER CO 80202 1 0 0 0 Common Stock 2018-10-01 4 D 0 6575 D 0 D Non-Qualified Stock Option (right to buy) 6.62 2018-10-01 4 D 0 1000 0 D 2012-05-17 2019-05-17 Common Stock 1000 0 D Non-Qualified Stock Option (right to buy) 9.56 2018-10-01 4 D 0 1000 0 D 2013-05-15 2020-05-15 Common Stock 1000 0 D Non-Qualified Stock Option (right to buy) 11.08 2018-10-01 4 D 0 1000 0 D 2014-05-15 2021-05-15 Common Stock 1000 0 D Non-Qualified Stock Option (right to buy) 13.61 2018-10-01 4 D 0 1000 0 D 2015-04-15 2022-04-15 Common Stock 1000 0 D Shares disposed of pursuant to the Agreement and Plan of Merger, dated as of June 17, 2018 (the "Merger Agreement"), by and among CoBiz Financial Inc. ("Issuer"), and BOK Financial Corporation ("BOKF Parent"), and BOKF Merger Corporation Number Sixteen ("Merger Sub"), a wholly owned subsidiary of BOKF Parent, on October 1, 2018, Issuer was merged with and into Merger Sub, with Merger Sub continuing as the surviving corporation (the "Merger"). At the time of the merger, each share of Issuer common stock was converted into the right to receive merger consideration consisting of (i) 0.17 shares of BOKF Parent common stock and (ii) $5.70 cash ("Merger Consideration"). Stock options were fully vested and exercisable at the time of the Merger. Pursuant to the Agreement and Plan of Merger, dated as of June 17, 2018 (the "Merger Agreement"), by and among, CoBiz Financial Inc. ("Issuer"), and BOK Financial Corporation ("BOKF Parent"), and BOKF Merger Corporation Number Sixteen ("Merger Sub"), a wholly owned subsidiary of BOKF Parent, on October 1, 2018, Issuer was merged with and into Merger Sub, with Merger Sub continuing as the surviving corporation (the "Merger"). Outstanding and unexercised stock options were canceled and converted to the right to receive merger consideration consisting of BOKF Parent common stock and cash based on the formula described in Section 1.9 of the Merger Agreement. Each Issuer common share resulting from the cancellation and conversion of a stock option was exchanged for 0.17 shares of BOKF Parent common stock and $5.70 cash. By: Lyne Andrich POA for Mary K Rhinehart 2018-10-03