| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date | ARMSTRONG JOSEPH H Officer | Option Exercise 24-Jul-09 | 33,333 24-Jul-09 | CASTEEL JANET Officer | Sale 9-Jun-09 | 5,000 9-Jun-09 | ELLER RON Director | Option Exercise 30-Sep-09 | 2,471 30-Sep-09 | ERSKINE RICHARD G Director | Option Exercise 30-Sep-09 | 959 30-Sep-09 | FOSTER MATTHEW Officer | Option Exercise 20-Feb-08 | 105,000 20-Feb-08 | GALLERY STANLEY Director | Option Exercise 30-Sep-09 | 123,656 30-Sep-09 | GATCHELL GARY Officer | Purchase 19-Nov-08 | 53,500 19-Nov-08 | ITN ENERGY SYSTEMS, INC. Beneficial Owner (10% or more) | Automatic Sale 17-Mar-08 | 806,000 17-Mar-08 | KUMAR AMIT Director | Option Exercise 30-Sep-09 | 14,552 30-Sep-09 | MCCABE JOSEPH C Officer | Option Exercise 10-Jan-08 | 7,700 10-Jan-08 | MISRA ASHUTOSH Officer | Option Exercise 2-Jan-08 | 36,000 2-Jan-08 | MISRA MOHAN Officer | Option Exercise 1-Aug-09 | 435,000 1-Aug-09 | MOGHADAM FARHAD Officer | Ownership Statement 3-Aug-09 | 14,000 3-Aug-09 | NATH PREM Officer | Sale 4-Jun-09 | 0 4-Jun-09 | NORSK HYDRO PRODUKSJON AS Beneficial Owner (10% or more) | Purchase 6-Oct-09 | 8,067,390 6-Oct-09 | PORTER JOEL S Director | Option Exercise 30-Jun-09 | 10,982 30-Jun-09 | QUERCUS TRUST Beneficial Owner (10% or more) | Sale 27-Feb-08 | 1,705,293 27-Feb-08 | RUSSELL TW FRASER Director | Option Exercise 30-Sep-09 | 26,724 30-Sep-09 | SWANSON RICHARD JOHN Director | Option Exercise 30-Sep-09 | 12,684 30-Sep-09 |
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