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USD ($)
USD ($) / shares
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<div style="font-family: 'Times New Roman',Times,serif">
<div align="justify" style="font-size: 10pt; margin-top: 10pt"><b>(3) RIGDON ACQUISITION</b>
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">     On July 1, 2008, we acquired 100% of the membership interests of Rigdon Marine Holdings,
L.L.C. and 100% of the outstanding common stock of Rigdon Marine Corporation for consideration of
$554.7 million, consisting of $152.6 million in cash and approximately 2.1 million shares of
GulfMark Offshore, Inc. common stock valued at $133.2 million, plus the assumption of $268.9
million in debt (the “Rigdon Acquisition”).
</div>
<div align="justify" style="font-size: 10pt; margin-top: 10pt">     The pro forma effect of the acquisition and the associated financing on the historical results
for the year ended December 31, 2008 is presented in the following table (in thousands, except
earnings per share):
</div>
<div align="center">
<table style="font-size: 10pt; text-align: left" cellspacing="0" border="0" cellpadding="0" width="40%">
<!-- Begin Table Head -->
<tr valign="bottom" style="font-size: 20pt">
<td width="63%"> </td>
<td width="5%"> </td>
<td width="1%"> </td>
<td width="30%"> </td>
<td width="1%"> </td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>Year Ended</b></td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3"><b>December 31,</b></td>
</tr>
<tr style="font-size: 10pt" valign="bottom">
<td> </td>
<td> </td>
<td nowrap="nowrap" align="center" colspan="3" style="border-bottom: 1px solid #000000"><b>2008</b></td>
</tr>
<!-- End Table Head -->
<!-- Begin Table Body -->
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Revenue
</div></td>
<td> </td>
<td align="left">  $</td>
<td align="right">466,787</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:15px; text-indent:-15px">Operating income
</div></td>
<td> </td>
<td> </td>
<td align="right">226,887</td>
<td> </td>
</tr>
<tr valign="bottom" style="background: #cceeff">
<td>
<div style="margin-left:15px; text-indent:-15px">Net income
</div></td>
<td> </td>
<td> </td>
<td align="right">188,939</td>
<td> </td>
</tr>
<tr valign="bottom">
<td>
<div style="margin-left:30px; text-indent:-15px">Basic earnings per share
</div></td>
<td> </td>
<td align="left">  $</td>
<td align="right">7.96</td>
<td> </td>
</tr>
<!-- End Table Body -->
</table>
</div>
</div>
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<!-- Begin Block Tagged NotefalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescription of a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. This element may be used as a single block of text to encapsulate the entire disclosure (including data and tables) regarding business combinations, including leverage buyout transactions (as applicable).Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51, 52
Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph F4
-Subparagraph e
-Appendix F
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