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VANGUARD GROUP INC
> PPCO
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2010 | PENWEST PHARMACEUTICALS CO | PPCO | 854,831 | 950 | 2,821,000 | -125,000 | $3.30 |
| 03/31/2010 | PENWEST PHARMACEUTICALS CO | PPCO | 853,881 | 12,645 | 2,946,000 | 768,000 | $3.45 |
| 12/31/2009 | PENWEST PHARMACEUTICALS CO | PPCO | 841,236 | 2,850 | 2,178,000 | 425,000 | $2.59 |
| 09/30/2009 | PENWEST PHARMACEUTICALS CO | PPCO | 838,386 | 760 | 1,753,000 | -569,000 | $2.09 |
| 06/30/2009 | PENWEST PHARMACEUTICALS CO | PPCO | 837,626 | 162,102 | 2,322,000 | 1,214,000 | $2.77 |
| 03/31/2009 | PENWEST PHARMACEUTICALS CO | PPCO | 675,524 | 54,842 | 1,108,000 | 134,000 | $1.64 |
| 12/31/2008 | PENWEST PHARMACEUTICALS CO | PPCO | 620,682 | 128,882 | 974,000 | -39,000 | $1.57 |
| 09/30/2008 | PENWEST PHARMACEUTICALS CO | PPCO | 491,800 | 490,513 | 1,013,000 | 536,580 | $2.06 |
| 06/30/2008 | PENWEST PHARMACEUTICALS CO | PPCO | 1,287 | 285 | 476,420 | 91,080 | $370.18 |
| 03/31/2008 | PENWEST PHARMACEUTICALS CO | PPCO | 1,002 | -1,197 | 385,340 | 9,340 | $384.57 |
| 12/31/2007 | PENWEST PHARMACEUTICALS CO | PPCO | 2,199 | 2,199 | 376,000 | 376,000 | $170.99 |
| 03/31/2002 | PENWEST PHARMACEUTICALS CO | PPCO | 3,908 | -144,441 | 201,433 | -1,319,567 | $51.55 |
| 12/31/2001 | PENWEST PHARMACEUTICALS CO | PPCO | 4,039 | -144,310 | 201,434 | -1,319,566 | $49.87 |
| 09/30/2001 | PENWEST PHARMACEUTICALS CO | PPCO | 187,710 | 39,361 | 3,234,000 | 1,713,000 | $17.23 |
| 06/30/2001 | PENWEST PHARMACEUTICALS CO | PPCO | 188,598 | 40,249 | 2,921,000 | 1,400,000 | $15.49 |
| 03/31/1999 | PENWEST PHARMACEUTICALS CO | PPCO | 148,349 | 148,349 | 1,521,000 | 1,521,000 | $10.25 |
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