(5)
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Includes 43,668 shares of common stock issuable upon
conversion of $
1,500,000
aggregate principal amount of our 2.50% convertible senior notes due
April 15, 2011 beneficially owned by Allstate Insurance Company. Allstate Insurance Company is an affiliate
of a registered broker-dealer. Allstate Insurance Company has represented to
us that the notes held by them were purchased in the ordinary course of
business and that at the time of purchase of the notes held by them, they did
not have any agreements or understandings, directly or indirectly, with any
person to distribute the notes held by them or the common stock issuable upon
conversion of the notes held by them.
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(6)
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Nathanial
Brown and Robert Richardson share voting and dispositive power over the notes
held by the selling securityholder.
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(7)
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Citadel
Equity Fund, Ltd. is an affiliate of Citadel Limited Partnership, a
registered broker-dealer. Citadel Equity Fund, Ltd. has represented to us
that the notes held by them were purchased in the ordinary course of business
and that at the time of purchase of the notes held by them, they did not have
any agreements or understandings, directly or indirectly, with any person to
distribute the notes held by them or the common stock issuable upon conversion
of the notes held by them. Kenneth Griffin of Citadel Investment Group, LLC
has sole voting and dispositive power over the notes held by Citadel Equity
Fund, Ltd.
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(8)
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Robert
Krail, Mark Mitchell and Todd Pulvino of CNH Partners, LLC share voting and
dispositive power over the notes held by CNH CA Master Account, L.P.
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(9)
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Includes
144,743 shares of common stock issuable
upon conversion of $4,972,000 aggregate
principal amount of our 2.50%
convertible senior notes due April 15, 2011 beneficially owned by Columbia
Convertible Securities Fund.
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(10)
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Credit
Suisse Securities (USA) LLC is a registered broker-dealer. Credit Suisse
Securities (USA) LLC has represented to us that none of the notes held by
them were received as compensation for underwriting activities.
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(11)
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Includes 146 shares of common stock issuable upon
conversion of $5,000 aggregate principal amount of our 2.50% convertible
senior notes due April 15, 2011 beneficially owned by Goldman,
Sachs & Co.
Goldman,
Sachs & Co. is a registered broker-dealer. Goldman, Sachs &
Co. has represented to us that none of the notes held by them were received
as compensation for underwriting activities.
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(12)
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Glenn
Dubin and Henry Swieca of Highbridge Capital Management, LLC share voting and
dispositive power over the notes held by the selling securityholder.
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(13)
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Gary
Crowdel has sole voting and dispositive power over the notes held by
Institutional Benchmark Series (Master Feeder) Limited in Respect of
Electra Series c/o Quattro Global Capital, LLC.
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(14)
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Mark
Rowe, Felix Haldner, Michael Pitchet and Denis OMalley share voting and
dispositve power over the notes held by Partners Group Alternative Strategies
PCC Limited, Red Delta Cell c/o Quattro Global Capital, LLC.
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(15)
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Polygon
Investment Partners LLP, Polygon Investment Partners LP and Polygon
Investment Partners HK Limited, Polygon Investments Ltd., Alexander Jackson,
Reade Griffith and Paddy Dear share voting and dispositve power over the
notes held by Polygon Global Opportunities Master Fund.
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(16)
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Andrew
Kaplan, Brian Swain and Louis Napou share voting and dispositve power over
the notes held by the selling securityholder.
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(17)
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RBC
Capital Markets is a registered broker-dealer. RBC Capital Markets has
represented to us that none of the notes held by them were received as
compensation for underwriting activities.
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(18)
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Michael
Roth and Brian Stark share voting and dispositive power over the notes held
by Stark Master Fund LTD.
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(19)
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Includes
62,590 shares of common stock
issuable upon conversion of $2,150,000 aggregate principal amount of our
2.50% convertible senior notes due April 15, 2011 beneficially owned by
the Northwestern Mutual Life Insurance Company - General Account. The
Northwestern Mutual Life Insurance Company - General Account is an affiliate
of Todd Securities, L.L.C., a registered broker-dealer. The Northwestern
Mutual Life Insurance Company - General Account has represented to us
that the notes held by them were purchased in the ordinary course of business
and that at the time of purchase of the notes held by them, they did not have
any agreements or understandings, directly or indirectly, with any person to
distribute the notes held by them or the common stock issuable upon
conversion of the notes held by them.
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(20)
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Thomas
Weisel Partners, LLC is a registered broker-dealer. Thomas Weisel Partners,
LLC has represented to us that none of the notes held by them were received
as compensation for underwriting activities.
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(21)
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Shad
Stastney, John Succo and Sky Lucas of Vicis Capital, LLC share voting and
dispositive power over the notes held by Vicis Capital Master Fund.
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(22)
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George
Douglas, Amy Jo Gottfurcht and John Gottfurcht share voting and dispositive
power over the notes held by the selling securityholder.
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(23)
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Eric
Hage, as portfolio manager of Mohican Financial Management, LLC, has voting
and dispositive power over the notes held by Absolute Strategies Fund, Forum
Funds Trust.
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(24)
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Mikhail
Filimonov has voting and dispositive power over the notes held by Alexandra
Global Master Fund Ltd.
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(25)
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CIBC
World Markets Corp. is a registered broker-dealer. CIBC World Markets Corp.
has represented to us that none of the notes held by them were received as
compensation for underwriting activities.
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(26)
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Includes
36,389 shares of common stock issuable upon conversion of $1,250,000
aggregate principal amount of our 2.50% convertible senior notes due
April 15, 2011 beneficially owned by Citigroup Global Markets Inc.
Citigroup Global Markets Inc. is a registered broker-dealer. Citigroup Global
Markets Inc. has represented to us that none of the notes held by them were
received as compensation for underwriting activities.
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(27)
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Jan
DeConinck and David Weyland share voting and dispositive power over the notes
held by the selling securityholder.
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(28)
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Includes
3,202 shares of common stock issuable upon conversion of $110,000 aggregate
principal amount of our 2.50% convertible senior notes due April 15,
2011 beneficially owned by Fore Convertible Master Fund, Ltd.
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