X0306 4 2017-06-01 0 0001407067 Franklin Financial Network Inc. FSB 0001637688 Herrington Kevin A. 722 COLUMBIA AVE. FRANKLIN TN 37064 0 1 0 0 See Remarks Common Stock 2017-06-01 4 M 0 1745 10.00 A 13260 D Common Stock 2017-06-02 4 S 0 1500 40.66 D 11760 D Common Stock 10 I by minor children Common Stock 2677 I by 401(k) Employee Stock Option (right to buy) 10.00 2017-06-01 4 M 0 1745 0.00 D 2018-02-20 Common Stock 1745 0 D The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.375 to $41.15, inclusive. The reporting person undertakes to provide to Franklin Financial Network, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4. As of March 31, 2017. The option became exercisable as to 349 shares on February 20, 2009; 349 shares on February 20, 2010; 349 shares on February 20, 2011; 349 shares on February 20, 2012 and 349 shares on February 20, 2013. Executive Vice President, Chief Operating Officer of Franklin Synergy Bank, a subsidiary of the Issuer /s/ Lori Metrock, Attorney-in-Fact 2017-06-02