| Prices | | Date | Price | High | Low | Volume | | 9/20/2017 | 15.94 | 16.01 | 15.87 | 1,822,373 | | 9/19/2017 | 15.97 | 16.02 | 15.83 | 2,121,097 | | 9/18/2017 | 15.93 | 16.16 | 15.89 | 795,642 | | 9/15/2017 | 16.01 | 16.31 | 15.92 | 3,051,592 | | 9/14/2017 | 16.23 | 16.28 | 15.97 | 1,390,746 | | 9/13/2017 | 15.96 | 15.97 | 15.86 | 1,419,710 | | 9/12/2017 | 15.89 | 16.05 | 15.79 | 917,460 | | 9/11/2017 | 15.95 | 15.99 | 15.84 | 1,082,931 | | 9/8/2017 | 15.75 | 15.89 | 15.72 | 879,290 | | 9/7/2017 | 15.84 | 15.99 | 15.79 | 721,168 | | 9/6/2017 | 15.93 | 16.08 | 15.72 | 1,653,103 | | 9/5/2017 | 15.71 | 15.94 | 15.60 | 1,424,940 | | 9/1/2017 | 15.81 | 15.93 | 15.75 | 909,092 | | 8/31/2017 | 15.78 | 15.86 | 15.70 | 1,221,173 | | 8/30/2017 | 15.68 | 15.71 | 15.45 | 999,107 | | 8/29/2017 | 15.55 | 15.76 | 15.55 | 1,075,774 | | 8/28/2017 | 15.68 | 16.02 | 15.63 | 1,313,349 | | 8/25/2017 | 15.80 | 15.92 | 15.59 | 908,566 | | 8/24/2017 | 15.71 | 15.95 | 15.71 | 1,253,419 | | 8/23/2017 | 15.77 | 15.85 | 15.49 | 854,493 | | 8/22/2017 | 15.52 | 15.87 | 15.52 | 878,291 |
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