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USD ($)

USD ($) / shares

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    &lt;!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" --&gt;
    &lt;!-- Begin Block Tagged Note 2 - us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock--&gt;
    &lt;div style="font-family: 'Times New Roman',Times,serif; margin-left: 0in; "&gt;
    &lt;div align="justify" style="font-size: 10pt; margin-top: 10pt"&gt;&lt;b&gt;Note 2 &amp;#8212; Acquisition of FDR Holdings Limited&lt;/b&gt;
    &lt;/div&gt;
    &lt;div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%"&gt;On July&amp;#160;28, 2010, Noble-Swiss and Noble AM Merger Co., a Cayman Islands company and indirect
    wholly-owned subsidiary of Noble-Swiss (&amp;#8220;Merger Sub&amp;#8221;), completed the acquisition of FDR Holdings
    Limited, a Cayman Islands company (&amp;#8220;Frontier&amp;#8221;). Under the terms of the Agreement and Plan of Merger
    with Frontier and certain of Frontier&amp;#8217;s shareholders, Merger Sub merged with and into Frontier,
    with Frontier surviving as an indirect wholly-owned subsidiary of Noble-Swiss and a wholly-owned
    subsidiary of Noble-Cayman. The Frontier acquisition was for a purchase price of approximately $1.7
    billion in cash plus liabilities assumed and strategically expanded and enhanced our global fleet
    by adding three dynamically positioned drillships (including two &lt;i&gt;Bully&lt;/i&gt;-class joint venture-owned
    drillships under construction), two conventionally moored drillships, including one that is
    Arctic-class, a conventionally moored deepwater semisubmersible and one dynamically positioned FPSO
    to our fleet. Frontier&amp;#8217;s results of operations were included in our results beginning July&amp;#160;28,
    2010. We funded the cash consideration paid at closing of approximately $1.7&amp;#160;billion using
    proceeds from our July&amp;#160;2010 offering of senior notes and existing cash on hand.
    &lt;/div&gt;
    &lt;div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%"&gt;The following table summarizes our allocation of the purchase price to the estimated fair
    values of the assets acquired and liabilities assumed on the acquisition date of July&amp;#160;28, 2010:
    &lt;/div&gt;
    &lt;div align="center"&gt;
    &lt;table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%"&gt;
    &lt;!-- Begin Table Head --&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td width="86%"&gt;&amp;#160;&lt;/td&gt;
    &lt;td width="3%"&gt;&amp;#160;&lt;/td&gt;
    &lt;td width="1%"&gt;&amp;#160;&lt;/td&gt;
    &lt;td width="9%"&gt;&amp;#160;&lt;/td&gt;
    &lt;td width="1%"&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr style="font-size: 10pt" valign="bottom"&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"&gt;Fair value&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;!-- End Table Head --&gt;
    &lt;!-- Begin Table Body --&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:15px; text-indent:-15px"&gt;ASSETS
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:30px; text-indent:-15px"&gt;Cash and cash equivalents
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="left"&gt;$&lt;/td&gt;
    &lt;td align="right"&gt;77,375&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:30px; text-indent:-15px"&gt;Accounts receivable, net of $2,111 reserve
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="right"&gt;51,541&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:30px; text-indent:-15px"&gt;Other current assets
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="right"&gt;11,296&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:30px; text-indent:-15px"&gt;Other assets
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="right"&gt;11,469&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:30px; text-indent:-15px"&gt;Drilling equipment
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="right"&gt;2,527,148&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:30px; text-indent:-15px"&gt;Value of in-place contracts
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="right"&gt;77,260&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr style="font-size: 1px"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:30px; text-indent:-15px"&gt;&amp;#160;
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:15px; text-indent:-15px"&gt;Total assets acquired
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="left"&gt;$&lt;/td&gt;
    &lt;td align="right"&gt;2,756,089&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr style="font-size: 1px"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:15px; text-indent:-15px"&gt;&amp;#160;
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;&lt;!-- Blank Space --&gt;
    &lt;td&gt;
    &lt;div style="margin-left:15px; text-indent:-15px"&gt;&amp;#160;
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:15px; text-indent:-15px"&gt;LIABILITIES
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:30px; text-indent:-15px"&gt;Accounts payable
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="left"&gt;$&lt;/td&gt;
    &lt;td align="right"&gt;81,767&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:30px; text-indent:-15px"&gt;Other current liabilities
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="right"&gt;32,860&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:30px; text-indent:-15px"&gt;Consolidated joint ventures credit facilities
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="right"&gt;688,748&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:30px; text-indent:-15px"&gt;Other liabilities
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="right"&gt;36,824&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:30px; text-indent:-15px"&gt;Non-controlling interests
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="right"&gt;124,628&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:30px; text-indent:-15px"&gt;Value of in-place contracts
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="right"&gt;84,243&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr style="font-size: 1px"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:30px; text-indent:-15px"&gt;&amp;#160;
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:15px; text-indent:-15px"&gt;Total liabilities assumed
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="right"&gt;1,049,070&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr style="font-size: 1px"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:15px; text-indent:-15px"&gt;&amp;#160;
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td nowrap="nowrap" colspan="2" align="right" style="border-top: 1px solid #000000"&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:15px; text-indent:-15px"&gt;Cash consideration paid
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="left"&gt;$&lt;/td&gt;
    &lt;td align="right"&gt;1,707,019&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr style="font-size: 1px"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:15px; text-indent:-15px"&gt;&amp;#160;
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td nowrap="nowrap" colspan="2" align="right" style="border-top: 3px double #000000"&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;!-- End Table Body --&gt;
    &lt;/table&gt;
    &lt;/div&gt;
    &lt;div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%"&gt;The fair value of cash and cash equivalents, accounts receivable, other current assets,
    accounts payable and other current liabilities was generally determined using historical carrying
    values given the short term nature of these items. The fair values of drilling equipment, in-place
    contracts and noncontrolling interests were determined using management&amp;#8217;s estimates of future net
    cash flows. Such estimated future cash flows were discounted at an appropriate risk-adjusted rate
    of return. The fair values of the consolidated joint venture credit facilities and derivatives
    were determined based on a discounted cash flow model utilizing an appropriate market or
    risk-adjusted yield. The fair value of other assets and other liabilities, related to long-term tax
    items, was derived using estimates made by management. Fair value estimates for in-place contracts
    are located in &amp;#8220;Other assets&amp;#8221; and &amp;#8220;Other liabilities&amp;#8221; in our Consolidated Balance Sheet and will be
    amortized over the life of the respective contract. The weighted average life of those contracts
    totaled approximately 3.0&amp;#160;years as of the date of the acquisition.
    &lt;/div&gt;
    &lt;div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%"&gt;As our allocation is final, any adjustment to the fair value of assets acquired and
    liabilities assumed, will be directly recorded in earnings. We currently do not anticipate any
    further changes to the purchase price allocation.
    &lt;/div&gt;
    &lt;div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%"&gt;As of December&amp;#160;31, 2010, we have incurred $19&amp;#160;million in acquisition costs related to the
    Frontier acquisition. These costs have been expensed and are included in contract drilling
    services expense.
    &lt;/div&gt;
    &lt;!-- Folio --&gt;
    &lt;!-- /Folio --&gt;
    &lt;/div&gt;
    &lt;!-- PAGEBREAK --&gt;
    &lt;div style="font-family: 'Times New Roman',Times,serif; margin-left: 0in; "&gt;
    &lt;div align="center" style="font-size: 10pt; margin-top: 0pt"&gt;
    &lt;b&gt;
    &lt;/b&gt;
    &lt;/div&gt;
    &lt;div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%"&gt;The following unaudited pro forma financial information for the year ended December&amp;#160;31, 2010
    and 2009, gives effect to the Frontier acquisition as if it had occurred at the beginning of the
    periods presented. The pro forma financial information for the year ended December&amp;#160;31, 2010
    includes pro forma results for the period prior to the closing date of July&amp;#160;28, 2010 and actual
    results for the period from July&amp;#160;28, 2010 through December&amp;#160;31, 2010. The pro forma results are
    based on historical data and are not intended to be indicative of the results of future operations.
    &lt;/div&gt;
    &lt;div align="center"&gt;
    &lt;table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="100%"&gt;
    &lt;!-- Begin Table Head --&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td width="72%"&gt;&amp;#160;&lt;/td&gt;
    &lt;td width="3%"&gt;&amp;#160;&lt;/td&gt;
    &lt;td width="1%"&gt;&amp;#160;&lt;/td&gt;
    &lt;td width="9%"&gt;&amp;#160;&lt;/td&gt;
    &lt;td width="1%"&gt;&amp;#160;&lt;/td&gt;
    &lt;td width="3%"&gt;&amp;#160;&lt;/td&gt;
    &lt;td width="1%"&gt;&amp;#160;&lt;/td&gt;
    &lt;td width="9%"&gt;&amp;#160;&lt;/td&gt;
    &lt;td width="1%"&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr style="font-size: 10pt" valign="bottom"&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"&gt;&lt;b&gt;2010&lt;/b&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td nowrap="nowrap" align="center" colspan="2" style="border-bottom: 1px solid #000000"&gt;&lt;b&gt;2009&lt;/b&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;!-- End Table Head --&gt;
    &lt;!-- Begin Table Body --&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:15px; text-indent:-15px"&gt;Total operating revenues
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="left"&gt;$&lt;/td&gt;
    &lt;td align="right"&gt;2,985,439&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="left"&gt;$&lt;/td&gt;
    &lt;td align="right"&gt;3,965,457&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:15px; text-indent:-15px"&gt;Net income to Noble Corporation
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="right"&gt;716,875&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="right"&gt;1,674,722&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td&gt;
    &lt;div style="margin-left:15px; text-indent:-15px"&gt;Net income per share (Diluted)
    &lt;/div&gt;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="left"&gt;$&lt;/td&gt;
    &lt;td align="right"&gt;2.80&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;td align="left"&gt;$&lt;/td&gt;
    &lt;td align="right"&gt;6.40&lt;/td&gt;
    &lt;td&gt;&amp;#160;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;!-- End Table Body --&gt;
    &lt;/table&gt;
    &lt;/div&gt;
    &lt;div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%"&gt;Revenues from the Frontier rigs totaled $147&amp;#160;million from the closing date of July&amp;#160;28, 2010
    through December&amp;#160;31, 2010. Operating expenses for this same period totaled $98&amp;#160;million for the
    Frontier rigs.
    &lt;/div&gt;
    &lt;div align="justify" style="font-size: 10pt; margin-top: 10pt"&gt;&lt;b&gt;&lt;i&gt;Consolidated joint ventures&lt;/i&gt;&lt;/b&gt;
    &lt;/div&gt;
    &lt;div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%"&gt;In connection with the Frontier acquisition, we acquired Frontier&amp;#8217;s 50&amp;#160;percent interest in two
    joint ventures, each with a subsidiary of Royal Dutch Shell, PLC (&amp;#8220;Shell&amp;#8221;), for the construction
    and operation of the two &lt;i&gt;Bully&lt;/i&gt;-class drillships. Since these entities&amp;#8217; equity at risk is
    insufficient to permit them to carry on their activities without additional subordinated financial
    support, they each meet the criteria for a variable interest entity. We have determined that we
    are the primary beneficiary for accounting purposes. Our determination is based on our ability to
    effectively control the principal activities of the entity as the primary maker of operational
    decisions. Additionally, we receive a management fee to oversee the construction of, and to manage
    the operation and maintenance of, the drillships, which is deemed a preference payment under
    current accounting literature. Accordingly, we consolidate the entities in our consolidated
    financial statements, eliminate intercompany transactions. The equity interest that is not owned
    by us is presented as noncontrolling interests on our Consolidated Balance Sheets.
    &lt;/div&gt;
    &lt;div align="justify" style="font-size: 10pt; margin-top: 10pt; text-indent: 8%"&gt;Amounts related to these two joint ventures at December&amp;#160;31, 2010, include the combined
    carrying amount of the drillships owned by the joint ventures of $869&amp;#160;million and total outstanding
    debt of $691&amp;#160;million, which excludes $72&amp;#160;million of joint venture partner notes. Our portion of these joint venture partner notes, which totaled $36&amp;#160;million, has been
    eliminated in our Consolidated Balance Sheets. As discussed in Note 7 &amp;#8211; &amp;#8220;&lt;i&gt;Debt&lt;/i&gt;,&amp;#8221; the outstanding
    balances of the joint ventures&amp;#8217; credit facilities were repaid in full and the credit facilities terminated in February&amp;#160;2011.
    &lt;/div&gt;
    &lt;!-- Folio --&gt;
    &lt;!-- /Folio --&gt;
    &lt;/div&gt;
    &lt;!-- PAGEBREAK --&gt;
    &lt;div style="font-family: 'Times New Roman',Times,serif; margin-left: 0in; "&gt;
    &lt;div align="center" style="font-size: 10pt; margin-top: 0pt"&gt;
    &lt;b&gt;
    &lt;/b&gt;
    &lt;/div&gt;
    &lt;/div&gt;
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 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 141
 -Paragraph 52

Reference 3: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 141
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 141R
 -Paragraph F4
 -Subparagraph e
 -Appendix F

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