Production expense per mcfe $ 0.86  $ 0.97  $ 1.05  $ 0.90  $ 0.85  $ 0.68  $ 0.56  $ 0.51  $ 0.54  $ 0.47  $ 0.37  $ 0.35   $ 0.39   $ 0.20  $ 0.15  $ 0.11  $ 0.11  $ 0.21  $ 0.67 
Production taxes per mcfe $ 0.15  $ 0.12  $ 0.34  $ 0.30  $ 0.31  $ 0.44  $ 0.29  $ 0.29  $ 0.17  $ 0.20  $ 0.19  $ 0.10  $ 0.06  $ 0.07  $ 0.05  $ 0.03  $ 0.03  $ 0.15   — 
General and administrative expense per mcfe $ 0.44  $ 0.38  $ 0.45  $ 0.34  $ 0.24  $ 0.14  $ 0.10  $ 0.09  $ 0.10  $ 0.09  $ 0.10  $ 0.10  $ 0.15  $ 0.15  $ 0.11  $ 0.08  $ 0.11  $ 0.31  $ 0.84 
Depreciation, depletion and amortization expense per mcfe $ 1.56  $ 1.78  $ 2.55  $ 2.78  $ 2.53  $ 2.02  $ 1.69  $ 1.44  $ 1.30  $ 1.12  $ 0.81  $ 0.77  $ 1.19  $ 1.63  $ 1.36  $ 0.90  $ 0.85  $ 0.99  $ 1.09 
Number of employees (full-time at end of period)  10,021   8,152   7,649   6,219   4,883   2,885   1,718   1,192   866   677   462   424   481   360   362   344   325   250   150 
Cash dividends declared per common share $ 0.30  $ 0.30  $ 0.2925  $ 0.2625  $ 0.23  $ 0.195  $ 0.17  $ 0.135  $ 0.06   —   —   —  $ 0.04  $ 0.04  $ 0.02   —   —   —   — 
Stock price (at end of period – split adjusted) $ 25.91  $ 25.88  $ 16.17  $ 39.20  $ 29.05  $ 31.73  $ 16.50  $ 13.58  $ 7.74  $ 6.61  $ 10.12  $ 2.38  $ 0.94  $ 7.50  $ 9.81  $ 29.52  $ 5.64  $ 0.85  $ 1.18 
* See page 14 for definition of this non-GAAP measure.                   
**  PV-10 is the present value (10% discount rate) of estimated future gross revenues to be generated from the production of proved reserves, net of production and future development costs, using assumed prices and costs.  
Please see page 113 of our Form 10-K for information on the standardized measure of discounted future net cash flows.
***  Adjusted for field differentials.
****  Excludes unrealized gains (losses) natural gas and oil hedging.                   
Financial and Operating Data 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1997 1996 1995 1994 1993
1  |  FINANCIAL REVIEW