CONSOLIDATED STATEMENTS OF CASH FLOWS INFORMATION

(in thousands)

Six Months Ended June 30,

2012

2011

Change

(unaudited)

Net cash provided by operating activities

$        200,456

$          85,272

$        115,184

Net cash used in investing activities

(156,577)

(130,620)

(25,957)

Net cash used in financing activities

(1,728)

(1,254)

(474)

Net increase (decrease) in cash and cash equivalents

42,151

(46,602)

88,753

Cash and cash equivalents, beginning of period

188,738

283,233

(94,495)

Cash and cash equivalents, end of period

$        230,889

$        236,631

$           (5,742)