Common use of Mandatory Sinking Fund Redemption Clause in Contracts

Mandatory Sinking Fund Redemption. The Bonds are subject to mandatory redemption on the Interest Payment Date occurring in the month of May in each of the years set forth below commencing on the Interest Payment Date occurring on June 3 of 1998 (each, a "Mandatory Sinking Account Payment Date"), at a redemption price equal to 100% of the principal amount thereof plus accrued interest as follows: BONDS Mandatory Sinking Year Account Payments 1999 $125,000.00 2000 $120,000.00 2001 $125,000.00 2002 $130,000.00 2003 $140,000.00 2004 $150,000.00 2005 $155,000.00 2006 $165,000.00 2007 $175,000.00 2008 $185,000.00 2009 $195,000.00 2010 $205,000.00 2011 $220,000.00 2012 $230,000.00 *2013 $245,000.00 *Final maturity

Mandatory Sinking Fund Redemption. The Bonds are subject to mandatory redemption on the Interest Payment Date occurring in the month of May in each of the years set forth below commencing on the Interest Payment Date occurring on June 3 in May of 1998 2003 (each, a "Mandatory Sinking Account Payment Date"), at a redemption price equal to 100% of the principal amount thereof plus accrued interest as follows: BONDS Mandatory Sinking Year Account Payments 1999 $125,000.00 2000 $120,000.00 2001 $125,000.00 2002 $130,000.00 ---- ---------------- 2003 $140,000.00 535,000 2004 $150,000.00 810,000 2005 $155,000.00 655,000 2006 $165,000.00 690,000 2007 $175,000.00 105,000 2008 $185,000.00 110,000 2009 $195,000.00 115,000 2010 $205,000.00 125,000 2011 $220,000.00 130,000 2012 $230,000.00 *135,000 2013 $245,000.00 140,000 2014* $150,000 *Final maturity

Mandatory Sinking Fund Redemption. The Bonds are subject to mandatory sinking fund redemption on the Interest Payment Date occurring in the month of May January in each of the years set forth below commencing on the Interest Payment Date occurring on June 3 in January of 1998 2000 (each, a "Mandatory Sinking Account Fund Payment Date"), at a redemption price equal to 100% of the principal amount thereof plus accrued interest as follows: BONDS Mandatory Sinking Year Account Fund Payments 1999 $125,000.00 ---- ----------------- 2000 $120,000.00 560,000 2001 $125,000.00 560,000 2002 $130,000.00 560,000 2003 $140,000.00 560,000 2004 $150,000.00 560,000 2005 $155,000.00 560,000 2006 $165,000.00 560,000 2007 $175,000.00 560,000 2008 $185,000.00 560,000 2009 $195,000.00 575,000 2010 $205,000.00 580,000 2011 $220,000.00 580,000 2012 $230,000.00 *580,000 2013 $245,000.00 145,000* *Final maturitymaturity of the Bonds is January 1, 2013

Mandatory Sinking Fund Redemption. The Bonds are subject to --------------------------------- mandatory sinking fund redemption commencing April 1, 1997 and on each April 1 thereafter and the Interest Payment Date occurring November 1 prior to maturity in the month of May in each of the years principal amounts set forth below commencing on the Interest Payment Date occurring on June 3 of 1998 (each, a "Mandatory Sinking Account Payment Date"), below. All such redemptions shall be at a redemption price equal to of 100% of the principal amount thereof thereof, without premium, plus accrued interest as follows: BONDS Mandatory Sinking Year Account Payments to the redemption date. APRIL 1 AMOUNT APRIL 1 AMOUNT 1997 $115,000 2003 $220,000 1998 $125,000 2004 $315,000 1999 $125,000.00 190,000 2005 $315,000 2000 $120,000.00 190,000 2006 $315,000 2001 $125,000.00 190,000 2007 $315,000 2002 $130,000.00 2003 190,000 NOVEMBER 1, $140,000.00 2004 $150,000.00 2005 $155,000.00 2006 $165,000.00 2007 $175,000.00 2008 $185,000.00 2009 $195,000.00 2010 $205,000.00 2011 $220,000.00 2012 $230,000.00 *2013 $245,000.00 *Final maturity185,000 2007