CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS INFORMATION

(in thousands)

Three Months Ended March 31,

2012

2011

Change

(unaudited)

Net cash provided by operating activities

$   39,753

$   37,322

$    2,431

Net cash used in investing activities

(55,780)

(75,260)

19,480

Net cash used in financing activities

(743)

(255)

(488)

Net decrease in cash and cash equivalents

(16,770)

(38,193)

21,423

Cash and cash equivalents, beginning of period

188,738

283,233

(94,495)

Cash and cash equivalents, end of period

$ 171,968

$ 245,040

$ (73,072)