Insider Transactions

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Transaction DateFilerFilingTransaction TypeShares TradedPriceTotal Held*
08/10/17Thomas James W. EVP, Chief Technical Officer
Trans History: 10 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)15,0003.96550,372
08/10/17Tobias C. Ray EVP, Chief Operating Officer
Trans History: 6 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)15,0003.965109,194
08/10/17Whitener Wayne A. Director
Trans History: 180 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)5,0003.96544,750
08/10/17Brata James Kevin EVP, Chief Financial Officer
Trans History: 24 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)15,0003.96551,718
08/10/17Jumper Stephen C. Director, President/CEO
Trans History: 6 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)24,0003.965209,279
06/30/17McInnes Allen T. Director
Trans History: 109 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)2,9460357,044
06/30/17Vander Ploeg Mark A. Director
Trans History: 10 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)2,946024,687
06/30/17Cooper Craig  Director
Trans History: 9 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)3,041051,616
06/30/17Hoover Gary M. Director
Trans History: 9 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)3,231048,294
06/30/17North Ted R. Director
Trans History: 9 
Form 4Grant, award or other acquisition pursuant to Rule 16b-3(d)3,231041,254
* Represents the number of non-derivative securities directly held
(I) Indicates that some (or all) of these shares are held indirectly