X0306 4 2019-06-11 0 0001539638 Triumph Bancorp, Inc. TBK 0001621761 Dobrient Robert 12700 PARK CENTRAL DRIVE SUITE 1700 DALLAS TX 75251 1 0 0 0 Common Stock 2019-06-11 4 P 0 1000 28.76 A 64282 D $28.76 represents the weighted average purchase price per share for the 1,000 aggregate amount of shares transaction reported on this line. The range of price per share in the reported transaction is $28.72 to $28.80. Reporting person shall provide, upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price. /s/ Adam D. Nelson, Attorney-in-fact 2019-06-13