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MAZAMA CAPITAL MANAGEMENT INC
> ATEC
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2016 | Alphatec Holdings, Inc. | ATEC | 0 | -48,854 | 0 | -100,000 | |
| 09/30/2015 | Alphatec Holdings, Inc. | ATEC | 0 | -48,854 | 0 | -100,000 | |
| 12/31/2014 | Alphatec Holdings, Inc. | ATEC | 0 | -48,854 | 0 | -100,000 | |
| 06/30/2014 | Alphatec Holdings, Inc. | ATEC | 0 | -48,854 | 0 | -100,000 | |
| 09/30/2013 | Alphatec Holdings, Inc. | ATEC | 0 | -48,854 | 0 | -100,000 | |
| 06/30/2013 | Alphatec Holdings, Inc. | ATEC | 48,854 | -378,448 | 100,000 | -605,000 | $2.05 |
| 03/31/2013 | Alphatec Holdings, Inc. | ATEC | 69,290 | -358,012 | 146,000 | -559,000 | $2.11 |
| 12/31/2012 | Alphatec Holdings, Inc. | ATEC | 427,302 | 419,794 | 705,000 | 689,000 | $1.65 |
| 09/30/2010 | Alphatec Holdings, Inc. | ATEC | 7,508 | 7,508 | 16,000 | 16,000 | $2.13 |
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