<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:boec_s2c_CE="http://www.bankofengland.co.uk/data/xbrl/c/dict/dom/s2c_CE" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:model="http://www.eurofiling.info/xbrl/ext/model" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:s2c_CE="http://eiopa.europa.eu/xbrl/s2c/dict/dom/CE" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" targetNamespace="http://www.bankofengland.co.uk/data/xbrl/c/dict/dom/s2c_CE" elementFormDefault="qualified">
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="mem-def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="mem-lab-en.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:import namespace="http://eiopa.europa.eu/xbrl/s2c/dict/dom/CE" schemaLocation="http://eiopa.europa.eu/eu/xbrl/s2c/dict/dom/ce/mem.xsd" />
  <xsd:import namespace="http://www.eurofiling.info/xbrl/ext/model" schemaLocation="http://www.eurofiling.info/eu/fr/xbrl/ext/model.xsd" />
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  <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
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</xsd:schema>
