AGREEMENT TO EXTEND MATURITY OF DEBENTURE

This Agreement to Extend Maturity of Debenture  ("Agreement") is hereby executed
this 16TH day of October 1997 by and between CyberAmerica Corporation,  a Nevada
Corporation with principal  offices at 268 West 400 South,  Suite 300, Salt Lake
City, Utah 84101 ("Issuer"), and Legong Investments,  N.V. a foreign entity with
principal offices at International  Trade Center TMT26,  Piscadera  Bay,Curacao,
Netherlands Antilles ("Purchaser").

         WHEREAS,   Issuer  and   Purchaser   executed  a  Offshore   Securities
Subscription   Agreement  pursuant  to  which  Purchaser  purchased  a  $300,000
convertible  debenture  ("Debenture")  from Issuer pursuant to an exemption from
federal   registration   provided  under  Regulation  S  promulgated  under  the
Securities Act of 1933;

         WHEREAS,  the  unpaid  face  amount  of the  Debenture,  as well as all
accrued interest,  became due and payable on September 16, 1997, but has not yet
been paid by Issuer;

         WHEREAS,  the parties wish to extend the maturity date of the Debenture
subject to the terms and conditions outlined below;

         NOW, THEREFORE, in consideration of the mutual promises, covenants, and
agreements contained herein, and for other good and valuable consideration,  the
receipt and adequacy of which is expressly  acknowledged,  the parties  agree as
follows:

1. The face amount of the Debenture,  as well as all accrued interest,  shall be
due no later than December 16, 1997.

2.       The  Debenture  shall  continue to accrue  interest at a rate of 6% and
         according to the provisions of Paragraph 1 of the  Debenture.  Interest
         for the  period of  September  16,  1997 to the date of this  Agreement
         shall  be  deemed  to  have  accrued  as if the  maturity  date  of the
         Debenture was originally scheduled for December 16, 1997.

3.       The Purchaser shall waive its rights to any past late payment penalties
         provided under Paragraph 3.2(f) of the Debenture, Paragraph 5(f) of the
         Offshore Securities  Subscription  Agreement,  or any other contractual
         provision  applying a penalty for Issuer's late payment of principal or
         interest upon Purchaser's conversion of the Debenture or upon maturity.

4. Except as expressed to the contrary  herein,  the provisions of the Debenture
shall continue in force.

IN WITNESS WHEREOF,  the parties have executed this Agreement to Extend Maturity
of Debenture this 16TH day of October 1997



CyberAmerica Corporation                      Legong Investments, N.V.


/s/Richard Surber                             /s/Authorized Representative
- ---------------------------------             --------------------------------
 Richard Surber, President                    Representative