| Name | Exchange | Split Ratio |
|---|---|---|
PTEN Patterson-UTI Energy Inc. 1 Jul 2004 | NASDAQ (NGS) | 2:1 Split Ratio |
PTEN Patterson-UTI Energy Inc. 4 Oct 2000 | NASDAQ (NGS) | 2:1 Split Ratio |
PTEN Patterson-UTI Energy Inc. 26 Jan 1998 | NASDAQ (NGS) | 2:1 Split Ratio |
PTEN Patterson-UTI Energy Inc. 28 Jul 1997 | NASDAQ (NGS) | 2:1 Split Ratio |