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MARTINGALE ASSET MANAGEMENT L P
> PTEN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | PATTERSON UTI ENERGY INC | PTEN | 56,905 | 56,905 | 681,153,000 | 681,153,000 | $11,970.00 |
| 09/30/2014 | PATTERSON UTI ENERGY INC | PTEN | 0 | -25,513 | 0 | -892,000 | |
| 06/30/2014 | PATTERSON UTI ENERGY INC | PTEN | 25,513 | 25,513 | 892,000 | 892,000 | $34.96 |
| 06/30/2012 | PATTERSON UTI ENERGY INC | PTEN | 0 | -32,563 | 0 | -564,000 | |
| 03/31/2012 | PATTERSON UTI ENERGY INC | PTEN | 32,563 | -29,055 | 564,000 | -668,000 | $17.32 |
| 12/31/2011 | PATTERSON UTI ENERGY INC | PTEN | 61,618 | -2,812 | 1,232,000 | 114,000 | $19.99 |
| 09/30/2011 | PATTERSON UTI ENERGY INC | PTEN | 64,430 | 64,430 | 1,118,000 | 1,118,000 | $17.35 |
| 12/31/2008 | PATTERSON UTI ENERGY INC | PTEN | 0 | -161,715 | 0 | -3,238,000 | |
| 09/30/2008 | PATTERSON UTI ENERGY INC | PTEN | 161,715 | 2,245 | 3,238,000 | -2,524,000 | $20.02 |
| 06/30/2008 | PATTERSON UTI ENERGY INC | PTEN | 159,470 | 159,470 | 5,762,000 | 5,762,000 | $36.13 |
| 12/31/2006 | PATTERSON UTI ENERGY INC | PTEN | 0 | -18,916 | 0 | -450,000 | |
| 09/30/2006 | PATTERSON UTI ENERGY INC | PTEN | 18,916 | -13,817 | 450,000 | -477,000 | $23.79 |
| 06/30/2006 | PATTERSON UTI ENERGY INC | PTEN | 32,733 | -10,183 | 927,000 | -445,000 | $28.32 |
| 03/31/2006 | PATTERSON UTI ENERGY INC | PTEN | 42,916 | -12,960 | 1,372,000 | -470,000 | $31.97 |
| 12/31/2005 | PATTERSON UTI ENERGY INC | PTEN | 55,876 | 35,953 | 1,842,000 | 1,123,000 | $32.97 |
| 09/30/2005 | PATTERSON UTI ENERGY INC | PTEN | 19,923 | 5,202 | 719,000 | 309,000 | $36.09 |
| 06/30/2005 | PATTERSON UTI ENERGY INC | PTEN | 14,721 | -6,186 | 410,000 | -114,000 | $27.85 |
| 03/31/2005 | PATTERSON UTI ENERGY INC | PTEN | 20,907 | 504 | 524,000 | 127,000 | $25.06 |
| 12/31/2004 | PATTERSON UTI ENERGY INC | PTEN | 20,403 | 20,403 | 397,000 | 397,000 | $19.46 |
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