| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date |
|---|
ALBRECHT W STEVE Director | Option Exercise May 11, 2012 | 40,064 May 11, 2012 | ARRIOLA DENNIS V Officer | Disposition (Non Open Market) Mar 1, 2012 | 41,338 Mar 1, 2012 | ATKINS BETSY S Director | Option Exercise Aug 13, 2012 | 17,523 Aug 13, 2012 | BOYNTON CHARLES D Officer | Automatic Sale May 3, 2013 | 39,974 May 3, 2013 | BRANDERIZ ERIC Officer | Automatic Sale May 13, 2013 | 0 May 13, 2013 | JAAP CHRISTOPHER Officer | Disposition (Non Open Market) Jun 1, 2012 | 3,956 Jun 1, 2012 | LEDESMA BRUCE Officer | Option Exercise Mar 1, 2012 | 13,117 Mar 1, 2012 | MCDANIEL THOMAS R Director | Option Exercise May 13, 2013 | 88,830 May 13, 2013 | NEESE MARTY T Officer | Disposition (Non Open Market) Mar 1, 2013 | 148,401 Mar 1, 2013 | RICHARDS DOUGLAS J. Officer | Automatic Sale May 10, 2013 | 28,100 May 10, 2013 | TOTAL GAS & POWER USA, SAS Beneficial Owner (10% or more) | Purchase Jan 31, 2012 | 78,576,682 Jan 31, 2012 | WENGER HOWARD Officer | Disposition (Non Open Market) Mar 1, 2013 | 148,137 Mar 1, 2013 | WERNER THOMAS H Officer | Option Exercise Mar 1, 2013 | 319,051 Mar 1, 2013 | WOOD PATRICK III Director | Option Exercise May 13, 2013 | 11,948 May 13, 2013 |
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