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USD ($)

USD ($) / shares

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       &lt;b&gt;&lt;font style="font-family: Arial, Helvetica"&gt;Other
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   &lt;div align="left" style="margin-left: 3%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: transparent"&gt;
       The income statement line &amp;#8220;Other operating expenses&amp;#8221;
       totaled US$2,205 for the year ended December&amp;#160;31, 2010,
       (US$1,522 in 2009 and US$1,254 in 2008). It includes
       pre&amp;#160;&amp;#8211; operational expenses of US$360 (US$0 in 2009 and
       US$0 in 2008), loss of material of US$108 (US$9 in 2009 and
       US$199 in 2008)&amp;#160;and idle capacity and stoppage operations
       expenses of US$757 (US$880 in 2009 and US$0 in 2008). In 2008,
       we also had US$204 of expenses relating to tax assessments on
       transportation services and US$65 of expenses relating to
       write-off of intangible asset (patent rights).
   &lt;/div&gt;
   &lt;/div&gt;
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 -Publisher SEC
 -Name Regulation S-X (SX)
 -Number 210
 -Section 03
 -Paragraph 3, 6, 7, 9
 -Article 5

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