div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: facultylondonedufacultylondoneduicooperassetsdocumentsManagem… · · 2014-11-12Exhibit 15 Parameters affecting interest rate option values Maturity Of option contract src=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: facultylondonedufacultylondoneduicooperassetsdocumentsManagem… · · 2014-11-12Exhibit 15 Parameters affecting interest rate option values Maturity Of option contract src=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 3button div class=ts-image a href=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5page3jpg target=_blank amp-img class=ts-thumb alt=Page 3: facultylondonedufacultylondoneduicooperassetsdocumentsManagem… · · 2014-11-12Exhibit 15 Parameters affecting interest rate option values Maturity Of option contract src=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 4button div class=ts-image a href=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5page4jpg target=_blank amp-img class=ts-thumb alt=Page 4: facultylondonedufacultylondoneduicooperassetsdocumentsManagem… · · 2014-11-12Exhibit 15 Parameters affecting interest rate option values Maturity Of option contract src=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5thumbnails4jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 5button div class=ts-image a href=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5page5jpg target=_blank amp-img class=ts-thumb alt=Page 5: facultylondonedufacultylondoneduicooperassetsdocumentsManagem… · · 2014-11-12Exhibit 15 Parameters affecting interest rate option values Maturity Of option contract src=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5thumbnails5jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 6button div class=ts-image a href=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5page6jpg target=_blank amp-img class=ts-thumb alt=Page 6: facultylondonedufacultylondoneduicooperassetsdocumentsManagem… · · 2014-11-12Exhibit 15 Parameters affecting interest rate option values Maturity Of option contract src=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5thumbnails6jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 7button div class=ts-image a href=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5page7jpg target=_blank amp-img class=ts-thumb alt=Page 7: facultylondonedufacultylondoneduicooperassetsdocumentsManagem… · · 2014-11-12Exhibit 15 Parameters affecting interest rate option values Maturity Of option contract src=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5thumbnails7jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 8button div class=ts-image a href=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5page8jpg target=_blank amp-img class=ts-thumb alt=Page 8: facultylondonedufacultylondoneduicooperassetsdocumentsManagem… · · 2014-11-12Exhibit 15 Parameters affecting interest rate option values Maturity Of option contract src=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5thumbnails8jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 9button div class=ts-image a href=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5page9jpg target=_blank amp-img class=ts-thumb alt=Page 9: facultylondonedufacultylondoneduicooperassetsdocumentsManagem… · · 2014-11-12Exhibit 15 Parameters affecting interest rate option values Maturity Of option contract src=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5thumbnails9jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 10button div class=ts-image a href=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5page10jpg target=_blank amp-img class=ts-thumb alt=Page 10: facultylondonedufacultylondoneduicooperassetsdocumentsManagem… · · 2014-11-12Exhibit 15 Parameters affecting interest rate option values Maturity Of option contract src=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5thumbnails10jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 11button div class=ts-image a href=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5page11jpg target=_blank amp-img class=ts-thumb alt=Page 11: facultylondonedufacultylondoneduicooperassetsdocumentsManagem… · · 2014-11-12Exhibit 15 Parameters affecting interest rate option values Maturity Of option contract src=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5thumbnails11jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 12button div class=ts-image a href=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5page12jpg target=_blank amp-img class=ts-thumb alt=Page 12: facultylondonedufacultylondoneduicooperassetsdocumentsManagem… · · 2014-11-12Exhibit 15 Parameters affecting interest rate option values Maturity Of option contract src=https:reader042vdocumentssitereader042viewer20220204115aa43d3b7f8b9ae7438bc65dhtml5thumbnails12jpg width=142 height=106 layout=responsive amp-imga divdiv