PROSPECTUS SUPPLEMENT NO. 8 |
Filed Pursuant to
Rule 424(b)(7)
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(To Prospectus dated May 10,
2007 as supplemented and amended by
prospectus supplement no. 1 dated June 13, 2007, prospectus supplement no. 2 dated July 17, 2007, prospectus supplement no. 3 dated August 24, 2007, prospectus supplement no. 4
dated September 27, 2007,
prospectus supplement
no. 5 dated October 29, 2007
prospectus supplement no.
6 dated December 6, 2007 and
prospectus
supplement no. 7 dated April 18,
2008)
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Registration
Statement No. 333-142820
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Selling
Shareholder
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Number
of Shares
Beneficially Owned Prior to the Offering(1)(2) |
Percentage
of
Shares Beneficially Owned Prior to the Offering(3) |
Number
of Shares
Offered Pursuant to this Prospectus |
Number
of
Shares Beneficially Owned After the Offering(4) |
Percentage
of
Shares Beneficially Owned After the Offering(3) |
Zazove Hedged Convertible
Fund, L.P. (5)
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190,967
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*
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190,967
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0
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*
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Institutional
Benchmarks Series (Master Feeder) Ltd. (5)
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86,390
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*
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86,390
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0
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*
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*
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Less
than one percent.
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(1)
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Based
on information available to us as of May 27, 2008
in Selling Security Holder Notices and Questionnaires delivered by
the selling shareholders.
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(2)
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The
number of common shares issuable upon the exchange or redemption of the
notes assumes exchange of the full amount of notes held by each selling
shareholder at the initial exchange rate of 45.4682 shares of our common
shares per $1,000 principal amount of notes and a cash payment in lieu of
any fractional share, even though we are required to pay the first $1,000
of exchange value in cash. The exchange rate is subject to adjustment in
certain events.
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(3)
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Based
on a total of 60,356,987 shares of our common stock outstanding as of
May 27, 2008.
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(4)
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Assumes
the selling shareholder sells all of its common shares offered pursuant to
this prospectus.
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(5)
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Gene
Pretti exercises voting and/or dispositive powers with respect to
these securities.
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