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SPARK LP
> NEU
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 03/31/2012 | NEWMARKET CORP | NEU | 16,400 | 16,400 | 3,073,000 | 3,073,000 | $187.38 |
| 12/31/2011 | NEWMARKET CORP | NEU | 0 | -3,900 | 0 | -592,000 | |
| 09/30/2011 | NEWMARKET CORP | NEU | 3,900 | -3,900 | 592,000 | -739,000 | $151.79 |
| 06/30/2011 | NEWMARKET CORP | NEU | 7,800 | 3,100 | 1,331,000 | 588,000 | $170.64 |
| 03/31/2011 | NEWMARKET CORP | NEU | 4,700 | 0 | 743,000 | 164,000 | $158.09 |
| 12/31/2010 | NEWMARKET CORP | NEU | 4,700 | -10,200 | 579,000 | -1,114,000 | $123.19 |
| 09/30/2010 | NEWMARKET CORP | NEU | 14,900 | 0 | 1,693,000 | 392,000 | $113.62 |
| 06/30/2010 | NEWMARKET CORP | NEU | 14,900 | 1,600 | 1,301,000 | -68,000 | $87.32 |
| 03/31/2010 | NEWMARKET CORP | NEU | 13,300 | 0 | 1,369,000 | -157,000 | $102.93 |
| 12/31/2009 | NEWMARKET CORP | NEU | 13,300 | 0 | 1,526,000 | 289,000 | $114.74 |
| 09/30/2009 | NEWMARKET CORP | NEU | 13,300 | 2,700 | 1,237,000 | 524,000 | $93.01 |
| 06/30/2009 | NEWMARKET CORP | NEU | 10,600 | 10,600 | 713,000 | 713,000 | $67.26 |
| 03/31/2009 | NEWMARKET CORP | NEU | 0 | -26,300 | 0 | -1,984,000 | |
| 06/30/2008 | NEWMARKET CORP | NEU | 0 | -26,300 | 0 | -1,984,000 | |
| 03/31/2008 | NEWMARKET CORP | NEU | 26,300 | 26,300 | 1,984,000 | 1,984,000 | $75.44 |
| 12/31/2007 | NEWMARKET CORP | NEU | 0 | -58,600 | 0 | -2,875,000 | |
| 09/30/2006 | NEWMARKET CORP | NEU | 0 | -58,600 | 0 | -2,875,000 | |
| 06/30/2006 | NEWMARKET CORP | NEU | 58,600 | -12,000 | 2,875,000 | -485,000 | $49.06 |
| 03/31/2006 | NEWMARKET CORP | NEU | 70,600 | 60,800 | 3,360,000 | 3,120,000 | $47.59 |
| 12/31/2005 | NEWMARKET CORP | NEU | 9,800 | -900 | 240,000 | 54,000 | $24.49 |
| 09/30/2005 | NEWMARKET CORP | NEU | 10,700 | -4,200 | 186,000 | -34,000 | $17.38 |
| 06/30/2005 | NEWMARKET CORP | NEU | 14,900 | 0 | 220,000 | -57,000 | $14.77 |
| 03/31/2005 | NEWMARKET CORP | NEU | 14,900 | 2,300 | 277,000 | 26,000 | $18.59 |
| 12/31/2004 | NEWMARKET CORP | NEU | 12,600 | -2,600 | 251,000 | -66,000 | $19.92 |
| 09/30/2004 | NEWMARKET CORP | NEU | 15,200 | 15,200 | 317,000 | 317,000 | $20.86 |
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