If you own a copy of ZIP MANAGER and you refer it to a person or company, you
are eligible for a REFERRAL BONUS.  The worksheet below will allow you to
calculate your BONUS.

Enclosed with your copy of ZIP MANAGER is a file called ORDER.TXT.  Print this
file and make sure your name, serial number of your copy of ZIP MANAGER, your
signature and your address appear in the referral bonus section.

Have the referred person fill out the order information and send it to Software
Builders, Inc. at the address shown on the order form.

Software Builders, Inc. will send you a REFERRAL BONUS check when payment is
received from the referred person or company.



                           REFERRAL BONUS WORKSHEET (Per Sale)



              Bonus for ZIP MANAGER for PKWARE for Windows 3.0/3.1


          1 computer  ...................................... $10.00 =  ______

   2 to   9 computers .... # of computers ____ x 7.50 ............. =  ______
  10 to  24 computers .... # of computers ____ x 6.00 (max $125.00) =  ______
  25 to  49 computers .... # of computers ____ x 5.00 (max $150.00) =  ______
  50 to  99 computers .... # of computers ____ x 3.00 (max $175.00) =  ______
 100 to 149 computers ............................ ONE TIME $200.00 =  ______
 150 to 199 computers ............................ ONE TIME $225.00 =  ______
 200 to 999 computers ............................ ONE TIME $250.00 =  ______
1000 or more computers .......................... 10% of Sale Price = _______


                 Bonus for ZIP MANAGER for PKWARE for OS/2 2.0


          1 computer  .......................................$12.00 =  ______

   2 to   9 computers .... # of computers ____ x 8.50 ............. =  ______
  10 to  24 computers .... # of computers ____ x 7.00 (max $150.00) =  ______
  25 to  49 computers .... # of computers ____ x 6.00 (max $175.00) =  ______
  50 to  99 computers .... # of computers ____ x 4.00 (max $225.00) =  ______
 100 to 149 computers ............................ ONE TIME $250.00 =  ______
 150 to 199 computers ............................ ONE TIME $275.00 =  ______
 200 to 999 computers ............................ ONE TIME $300.00 =  ______
1000 or more computers .......................... 10% of Sale Price = _______


                                                 TOTAL BONUS         ________