Appendix 7/A
CLASS B PERCENTAGES
Class B Class B Class B Class B Class B Class B
Payment Date Minimum Scheduled Supplemental Payment Date Minimum Scheduled Supplemental
Occurring in Percentage Percentage Percentage Occurring in Percentage Percentage Percentage
------------ ---------- ---------- ---------- ------------ ---------- ---------- ----------
March 2000..... 8.04% 8.04% 8.04% September 2004. 8.14% 8.05% 7.36%
April 2000..... 8.04% 8.04% 8.04% October 2004... 8.14% 8.05% 7.33%
May 2000....... 8.04% 8.04% 8.04% November 2004.. 8.15% 8.05% 7.31%
June 2000...... 8.04% 8.04% 8.04% December 2004.. 8.15% 8.04% 7.28%
July 2000...... 8.05% 8.04% 8.04% January 2005... 8.15% 8.04% 7.25%
August 2000.... 8.05% 8.04% 8.03% February 2005.. 8.15% 8.04% 7.22%
September 2000. 8.05% 8.04% 8.03% March 2005..... 8.15% 8.04% 7.19%
October 2000... 8.05% 8.04% 8.03% April 2005..... 8.15% 8.04% 7.17%
November 2000.. 8.05% 8.04% 8.02% May 2005....... 8.15% 8.04% 7.14%
December 2000.. 8.06% 8.04% 8.02% June 2005...... 8.15% 8.04% 7.11%
January 2001... 8.06% 8.04% 8.02% July 2005...... 8.15% 8.03% 7.07%
February 2001.. 8.06% 8.04% 8.01% August 2005.... 8.16% 8.03% 7.04%
March 2001..... 8.06% 8.04% 8.01% September 2005. 8.16% 8.03% 7.01%
April 2001..... 8.07% 8.04% 8.00% October 2005... 8.16% 8.03% 6.98%
May 2001....... 8.07% 8.04% 8.00% November 2005.. 8.16% 8.03% 6.95%
June 2001...... 8.07% 8.04% 7.99% December 2005.. 8.16% 8.03% 6.91%
July 2001...... 8.07% 8.04% 7.98% January 2006... 8.16% 8.02% 6.88%
August 2001.... 8.07% 8.05% 7.97% February 2006.. 8.16% 8.02% 6.85%
September 2001. 8.08% 8.05% 7.97% March 2006..... 8.16% 8.02% 6.81%
October 2001... 8.08% 8.05% 7.96% April 2006..... 8.16% 8.01% 6.78%
November 2001.. 8.08% 8.05% 7.95% May 2006....... 8.16% 8.01% 6.74%
December 2001.. 8.08% 8.05% 7.94% June 2006...... 8.16% 8.01% 6.70%
January 2002... 8.08% 8.05% 7.93% July 2006...... 8.16% 8.01% 6.67%
February 2002.. 8.09% 8.05% 7.92% August 2006.... 8.16% 8.00% 6.63%
March 2002..... 8.09% 8.05% 7.91% September 2006. 8.16% 8.00% 6.59%
April 2002..... 8.09% 8.05% 7.90% October 2006... 8.16% 7.99% 6.55%
May 2002....... 8.09% 8.05% 7.89% November 2006.. 8.16% 7.99% 6.52%
June 2002...... 8.09% 8.05% 7.87% December 2006.. 8.16% 7.99% 6.48%
July 2002...... 8.10% 8.05% 7.86% January 2007... 8.16% 7.98% 6.44%
August 2002.... 8.10% 8.05% 7.85% February 2007.. 8.16% 7.98% 6.40%
September 2002. 8.10% 8.05% 7.83% March 2007..... 8.16% 7.97% 6.36%
October 2002... 8.10% 8.05% 7.82% April 2007..... 8.15% 7.97% 6.31%
November 2002.. 8.10% 8.05% 7.81% May 2007....... 8.15% 7.96% 6.27%
December 2002.. 8.11% 8.05% 7.79% June 2007...... 8.15% 7.96% 6.23%
January 2003... 8.11% 8.05% 7.78% July 2007...... 8.15% 7.95% 6.19%
February 2003.. 8.11% 8.05% 7.76% August 2007.... 8.15% 7.95% 6.14%
March 2003..... 8.11% 8.05% 7.74% September 2007. 8.07% 7.87% 6.04%
April 2003..... 8.11% 8.05% 7.73% October 2007... 8.07% 7.86% 6.00%
May 2003....... 8.12% 8.05% 7.71% November 2007.. 8.07% 7.86% 5.96%
June 2003...... 8.12% 8.05% 7.69% December 2007.. 8.07% 7.85% 5.91%
July 2003...... 8.12% 8.05% 7.67% January 2008... 8.07% 7.85% 5.87%
August 2003.... 8.12% 8.05% 7.65% February 2008.. 8.07% 7.84% 5.82%
September 2003. 8.12% 8.05% 7.63% March 2008..... 8.07% 7.83% 5.78%
October 2003... 8.12% 8.05% 7.61% April 2008..... 8.06% 7.83% 5.73%
November 2003.. 8.13% 8.05% 7.59% May 2008....... 8.06% 7.82% 5.68%
December 2003.. 8.13% 8.05% 7.57% June 2008...... 8.06% 7.81% 5.64%
January 2004... 8.13% 8.05% 7.55% July 2008...... 8.06% 7.81% 5.59%
February 2004.. 8.13% 8.05% 7.53% August 2008.... 8.05% 7.80% 5.54%
March 2004..... 8.13% 8.05% 7.50% September 2008. 8.05% 7.79% 5.49%
April 2004..... 8.13% 8.05% 7.48% October 2008... 8.05% 7.78% 5.44%
May 2004....... 8.14% 8.05% 7.46% November 2008.. 8.04% 7.77% 5.39%
June 2004...... 8.14% 8.05% 7.43% December 2008.. 8.04% 7.76% 5.34%
July 2004...... 8.14% 8.05% 7.41% January 2009... 8.04% 7.75% 5.29%
August 2004.... 8.14% 8.05% 7.38% February 2009.. 8.03% 7.74% 5.24%
E-7/A-1
Class B Class B Class B Class B Class B Class B
Payment Date Minimum Scheduled Supplemental Payment Date Minimum Scheduled Supplemental
Occurring in Percentage Percentage Percentage Occurring in Percentage Percentage Percentage
------------ ---------- ---------- ---------- ------------ ---------- ---------- ----------
March 2009..... 8.03% 7.74% 5.19% October 2013... 7.24% 6.40% 1.48%
April 2009..... 8.03% 7.72% 5.13% November 2013.. 7.21% 6.35% 1.40%
May 2009....... 8.02% 7.71% 5.08% December 2013.. 7.18% 6.30% 1.32%
June 2009...... 8.02% 7.70% 5.03% January 2014... 7.15% 6.26% 1.23%
July 2009...... 8.01% 7.69% 4.97% February 2014.. 7.12% 6.21% 1.15%
August 2009.... 8.01% 7.68% 4.92% March 2014..... 7.08% 6.16% 1.06%
September 2009. 8.00% 7.67% 4.86% April 2014..... 7.05% 6.11% 0.98%
October 2009... 7.99% 7.66% 4.81% May 2014....... 7.01% 6.06% 0.89%
November 2009.. 7.99% 7.64% 4.75% June 2014...... 6.98% 6.00% 0.80%
December 2009.. 7.98% 7.63% 4.69% July 2014...... 6.94% 5.95% 0.72%
January 2010... 7.98% 7.62% 4.64% August 2014.... 6.90% 5.90% 0.63%
February 2010.. 7.97% 7.60% 4.58% September 2014. 6.86% 5.84% 0.54%
March 2010..... 7.96% 7.59% 4.52% October 2014... 6.83% 5.78% 0.45%
April 2010..... 7.96% 7.57% 4.46% November 2014.. 6.79% 5.73% 0.36%
May 2010....... 7.95% 7.56% 4.40% December 2014.. 6.75% 5.67% 0.27%
June 2010...... 7.94% 7.54% 4.34% January 2015... 6.70% 5.61% 0.18%
July 2010...... 7.93% 7.53% 4.28% February 2015.. 6.66% 5.55% 0.09%
August 2010.... 7.93% 7.51% 4.22% March 2015..... 6.62% 5.49% 0.00%
September 2010. 7.92% 7.49% 4.16% April 2015..... 6.57% 5.42%
October 2010... 7.91% 7.48% 4.10% May 2015....... 6.53% 5.36%
November 2010.. 7.90% 7.46% 4.03% June 2015...... 6.48% 5.29%
December 2010.. 7.89% 7.44% 3.97% July 2015...... 6.43% 5.22%
January 2011... 7.88% 7.42% 3.91% August 2015.... 6.39% 5.16%
February 2011.. 7.87% 7.40% 3.84% September 2015. 6.34% 5.09%
March 2011..... 7.86% 7.38% 3.78% October 2015... 6.29% 5.02%
April 2011..... 7.85% 7.36% 3.71% November 2015.. 6.23% 4.95%
May 2011....... 7.84% 7.34% 3.65% December 2015.. 6.18% 4.87%
June 2011...... 7.83% 7.32% 3.58% January 2016... 6.13% 4.80%
July 2011...... 7.81% 7.30% 3.52% February 2016.. 6.07% 4.72%
August 2011.... 7.80% 7.28% 3.45% March 2016..... 6.02% 4.65%
September 2011. 7.79% 7.25% 3.38% April 2016..... 5.96% 4.57%
October 2011... 7.78% 7.23% 3.31% May 2016....... 5.91% 4.49%
November 2011.. 7.76% 7.21% 3.24% June 2016...... 5.85% 4.41%
December 2011.. 7.75% 7.18% 3.17% July 2016...... 5.79% 4.33%
January 2012... 7.73% 7.15% 3.10% August 2016.... 5.73% 4.24%
February 2012.. 7.71% 7.12% 3.03% September 2016. 5.66% 4.16%
March 2012..... 7.69% 7.09% 2.96% October 2016... 5.60% 4.07%
April 2012..... 7.68% 7.06% 2.88% November 2016.. 5.54% 3.99%
May 2012....... 7.66% 7.04% 2.81% December 2016.. 5.47% 3.90%
June 2012...... 7.64% 7.00% 2.74% January 2017... 5.40% 3.81%
July 2012...... 7.62% 6.97% 2.66% February 2017.. 5.34% 3.72%
August 2012.... 7.60% 6.94% 2.59% March 2017..... 5.27% 3.62%
September 2012. 7.58% 6.91% 2.51% April 2017..... 5.20% 3.53%
October 2012... 7.56% 6.87% 2.44% May 2017....... 5.13% 3.43%
November 2012.. 7.53% 6.84% 2.36% June 2017...... 5.06% 3.34%
December 2012.. 7.51% 6.80% 2.28% July 2017...... 4.98% 3.24%
January 2013... 7.49% 6.77% 2.21% August 2017.... 4.91% 3.14%
February 2013.. 7.46% 6.73% 2.13% September 2017. 4.83% 3.04%
March 2013..... 7.44% 6.62% 2.05% October 2017... 4.76% 2.93%
April 2013..... 7.41% 6.65% 1.97% November 2017.. 4.68% 2.83%
May 2013....... 7.39% 6.61% 1.89% December 2017.. 4.60% 2.72%
June 2013...... 7.36% 6.57% 1.81% January 2018... 4.52% 2.62%
July 2013...... 7.33% 6.53% 1.73% February 2018.. 4.43% 2.51%
August 2013.... 7.30% 6.48% 1.65% March 2018..... 4.35% 2.40%
September 2013. 7.27% 6.44% 1.57% April 2018..... 4.26% 2.28%
E-7/A-2
Class B Class B Class B Class B Class B Class B
Payment Date Minimum Scheduled Supplemental Payment Date Minimum Scheduled Supplemental
Occurring in Percentage Percentage Percentage Occurring in Percentage Percentage Percentage
------------ ---------- ---------- ---------- ------------ ---------- ---------- ----------
May 2018....... 4.18% 2.17% December 2019.. 2.26%
June 2018...... 4.09% 2.06% January 2020... 2.15%
July 2018...... 4.00% 1.94% February 2020.. 2.03%
August 2018.... 3.91% 1.82% March 2020..... 1.92%
September 2018. 3.82% 1.70% April 2020..... 1.80%
October 2018... 3.73% 1.58% May 2020....... 1.69%
November 2018.. 3.63% 1.46% June 2020...... 1.57%
December 2018.. 3.53% 1.33% July 2020...... 1.44%
January 2019... 3.44% 1.20% August 2020.... 1.32%
February 2019.. 3.34% 1.08% September 2020. 1.20%
March 2019..... 3.23% 0.95% October 2020... 1.08%
April 2019..... 3.13% 0.82% November 2020.. 0.95%
May 2019....... 3.03% 0.68% December 2020.. 0.82%
June 2019...... 2.92% 0.55% January 2021... 0.70%
July 2019...... 2.81% 0.41% February 2021.. 0.57%
August 2019.... 2.71% 0.28% March 2021..... 0.43%
September 2019. 2.60% 0.14% April 2021..... 0.29%
October 2019... 2.49% 0.00% May 2021....... 0.15%
November 2019.. 2.37% June 2021...... 0.00%
E-7/A-3