Metal Prices Average Monthly Metal Price Per Metric Ton Rotterdam

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ANTIMONY PRICING

Pricing of the metal is generally based on the London Metal Exchange average price C.I.F. Rotterdam per metric ton (a metric ton contains 2,204.6 pounds). Antimony oxide contains 83.1% antimony metal and it is typically the preferred product for selling.

METAL PRICES BULLETIN AVERAGE MONTHLY METAL PRICE PER METRIC TON CIF USA

Month 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Month

Jan 5952 4989 6583 14,027 11,850 11,492 9,877 8,543 5,456 7,683 8,609 Jan

Feb 6228 4839 6661 14,950 11,960 10,803 10,072 7,937 5,374 7,650 Feb

Mar 6027 4630 6697 16,452 13,051 10,626 10,141 8,234 5,511 8,653 Mar

Apr 6002 4484 8488 17,879 13,503 10,458 9,866 8,488 5,585 8,945 Apr

May 6404 4643 9287 16,769 13,917 10,351 9,711 8,616 6,283 8,763 May

Jun 6663 5038 8860 15,997 13,977 10,183 9,755 8,300 6,504 8,548 Jun

Jul 6561 5421 9425 14,815 13,531 9,893 9,797 7,824 6,724 7,937 Jul

Aug 6746 6065 10,114 14,991 12,886 10,086 9,755 7,330 7,176 8,351 Aug

Sep 6724 6067 11,161 15,454 12,814 10,417 9,659 6,790 7,634 8,460 Sep

Oct 6645 6471 11,343 15,419 12,911 10,472 9,469 6,462 7,785 8,157 Oct

Nov 6393 6504 12,098 14,509 12,732 10,340 9,281 6,049 7,584 8,226 Nov

Dec 5806 6355 13,228 13,062 12,125 9,893 9,039 5,677 7,606 8,510 Dec

High 6746 6504 13,228 17,879 13,977 11,492 10,141 8,616 7,785 8,945 8,609 High

Low 5806 4484 6583 13,062 11,850 9,893 9,039 5,677 5,374 7,650 8,609 Low

Avg 6346 5459 9495 15,360 12,938 10,418 9,702 7,521 6,602 8,324 8,609 Avg

METAL PRICES AVERAGE MONTHLY METAL PRICE PER METRIC TON ROTTERDAM

Month 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Month

1 Jan 11,530 9,619 7,950 5,291 7,583 8,286 Jan

Feb 11,750 9,763 8,000 5,368 8,009 Feb

Mar 10,890 9,738 8,250 5,296 8,677 Mar

Apr 10,758 9,633 8,419 5,693 8,864 Apr

May 10,405 9,450 8,625 6,223 8,852 May

Jun 10,185 9,563 8,625 6,435 8,606 Jun

Jul 9,722 9,400 7,350 6,435 8,196 Jul

Aug 10,163 9,600 7,350 6,823 8,320 Aug

Sep 10,405 9,463 6,361 7,615 8,413 Sep

Oct 10,405 9,388 6,082 7,740 8,170 Oct

Nov 10.207 9,388 5,652 7,550 8,131 Nov

Dec 12,103 10,141 9,050 5,144 7,350 8,182 Dec

High 11,750 9,763 8,625 7,740 8,864 8,286 High

Low 9,722 9,050 5,141 5,291 7,583 8,286 Low

Avg 6395 4500 10,547 9,505 7,317 6,485 8,333 8,286 Avg

AVERAGE ANTIMONY METAL PRICES