<?xml version="1.0" encoding="US-ASCII"?>
<link:linkbase
xmlns:link="http://www.xbrl.org/2003/linkbase"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2006/ref http://www.xbrl.org/2006/ref-2006-02-27.xsd http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"
xmlns:ref="http://www.xbrl.org/2006/ref">
<link:referenceLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
<link:loc xlink:type="locator" xlink:href="exch-2015-01-31.xsd#exch_AllExchangesDomain" xlink:label="AllExchangesDomain" />
<link:reference xlink:type="resource" xlink:label="reference_AllExchangesDomain" xlink:role="http://www.xbrl.org/2003/role/presentationRef">
<ref:URI>http://www.iso15022.org/MIC/homepageMIC.htm</ref:URI>
<ref:URIDate>2015-08-10</ref:URIDate>
</link:reference>
<link:referenceArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-reference" xlink:from="AllExchangesDomain" xlink:to="reference_AllExchangesDomain" />
</link:referenceLink>
</link:linkbase>