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DIMENSIONAL FUND ADVISORS LP
> PRPX
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 09/30/2010 | PORTEC RAIL PRODUCTS INC | PRPX | 234,610 | 0 | 2,726,000 | 56,000 | $11.62 |
| 06/30/2010 | PORTEC RAIL PRODUCTS INC | PRPX | 234,610 | -500 | 2,670,000 | -62,000 | $11.38 |
| 03/31/2010 | PORTEC RAIL PRODUCTS INC | PRPX | 235,110 | -49,523 | 2,732,000 | -316,000 | $11.62 |
| 12/31/2009 | PORTEC RAIL PRODUCTS INC | PRPX | 284,633 | -1,571 | 3,048,000 | 332,000 | $10.71 |
| 09/30/2009 | PORTEC RAIL PRODUCTS INC | PRPX | 286,204 | 1,602 | 2,716,000 | -87,000 | $9.49 |
| 06/30/2009 | PORTEC RAIL PRODUCTS INC | PRPX | 284,602 | 22,572 | 2,803,000 | 1,139,000 | $9.85 |
| 03/31/2009 | PORTEC RAIL PRODUCTS INC | PRPX | 262,030 | 14,628 | 1,664,000 | -125,000 | $6.35 |
| 12/31/2008 | PORTEC RAIL PRODUCTS INC | PRPX | 247,402 | 12,107 | 1,789,000 | -183,000 | $7.23 |
| 09/30/2008 | PORTEC RAIL PRODUCTS INC | PRPX | 235,295 | 235,295 | 1,972,000 | 1,972,000 | $8.38 |
| 06/30/2008 | PORTEC RAIL PRODUCTS INC | PRPX | 234,684 | 234,684 | 2,711,000 | 2,711,000 | $11.55 |
| 03/31/2008 | PORTEC RAIL PRODUCTS INC | PRPX | 226,060 | 226,060 | 2,591,000 | 2,591,000 | $11.46 |
| 12/31/2007 | PORTEC RAIL PRODUCTS INC | PRPX | 204,087 | 36,476 | 2,241,000 | 287,000 | $10.98 |
| 09/30/2007 | PORTEC RAIL PRODUCTS INC | PRPX | 167,611 | 26,855 | 1,954,000 | 252,000 | $11.66 |
| 06/30/2007 | PORTEC RAIL PRODUCTS INC | PRPX | 140,756 | 40,756 | 1,702,000 | 686,000 | $12.09 |
| 03/31/2007 | PORTEC RAIL PRODUCTS INC | PRPX | 100,000 | 0 | 1,016,000 | 13,000 | $10.16 |
| 12/29/2006 | PORTEC RAIL PRODUCTS INC | PRPX | 100,000 | 0 | 1,003,000 | 43,000 | $10.03 |
| 09/30/2006 | PORTEC RAIL PRODUCTS INC | PRPX | 100,000 | 0 | 960,000 | -443,000 | $9.60 |
| 06/30/2006 | PORTEC RAIL PRODUCTS INC | PRPX | 100,000 | 0 | 1,403,000 | -168,000 | $14.03 |
| 03/31/2006 | PORTEC RAIL PRODUCTS INC | PRPX | 100,000 | 0 | 1,571,000 | 260,000 | $15.71 |
| 12/30/2005 | PORTEC RAIL PRODUCTS INC | PRPX | 100,000 | 100,000 | 1,311,000 | 1,311,000 | $13.11 |
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