Ownership Summary

Holder Shares Held % O/S Share Change Filing Date
Norges Bank Investment Management (NBIM) 576,573 0.59 -- 3/31/18
UBS O'Connor LLC 422,867 0.43 422,867 9/30/18
Robeco Institutional Asset Management B.V. 300,593 0.31 300,593 3/31/18
McManus (James T II) 293,227 0.30 -16,266 11/29/18
Richardson (John S) 137,171 0.14 -7,275 11/29/18
Woodruff (J David Jr.) 131,028 0.13 -65,014 2/28/18
Porter (Charles W Jr) 99,613 0.10 -6,599 11/29/18
Redwood Investments, LLC 36,017 0.04 36,017 9/30/17
Godsey (David A) 35,973 0.04 -2,136 11/29/18
Richards (Davis E) 30,115 0.03 -2,412 11/29/18

Ownership data based on most recent publicly available data according to Thomson Financial.