Exhibit 6.3 Zribi Company: Lease Amortization Schedule (Annuity Due Basis) Date Annual Lease Executory Interest on Net Net Investment Net Payment (a) Costs (b) Investment at Recovery (d) Investment 10% (c) 1/1/96 $50,000.00 1/1/96 $ 14,990.81 $3,000.00 $-------- $11,990.81 $38,009.19 1/1/97 $ 14,990.81 $3,000.00 $3,800.919 $ 8,189.891 $29,819.299 1/1/98 $ 14,990.81 $3,000.00 $2,981.929 $ 9,008.881 $20,810.418 1/1/99 $ 14,990.81 $3,000.00 $2,081.041 $ 9,909.769 $10,900.700 1/1/00 $ 14,990.81 $3,000.00 $1,090.064 $10,900.700 $-----0--- $ 75,954.05 $15,000.00 $9,953.953 $50,000.00 (a) Required lease payments producing 10% return on net investment (b) Executory costs paid by the lessee and included in the rental payments (c) Column (e) at the beginning of the year X 10% (except for 1/1/96) (d) (a) - (b) - (c) (e) Preceding balance - (d)