Recommended Offer by American Rivers

Alliance Resources PLC
8 December 1999


                AMERICAN RIVERS OIL COMPANY ('AROC')
                      RECOMMENDED OFFER FOR
               ALLIANCE RESOURCES PLC ('ALLIANCE')

AROC is pleased to announce that as at 3.00 p.m. on 7 December,199, pursuant to
the recommended offer made by AROC for the whole of the issued share capital of
Alliance (the 'Offer'), acceptances in respect of 38,-71,995 Alliance shares,
representing 80.2% of the issued share capital of Alliance, had been received. 
The Offer has now been declared unconditional in all respects.  Pursuant to the
terms of the Offer, AROC will continue to accept acceptances from Alliance
shareholders until further notice, although Alliance shareholders who have
accepted the Offer will no longer have a right of withdrawal.

As set out in the offer document dated 21st October, 1999 to Alliance
shareholders, Alliance intends to apply for its listing on the Official List of
the London Stock Exchange to be cancelled.  It is anticipated that such listing
will be cancelled with effect from 11 January, 2000.

The Directors of AROC and Alliance accept responsibility for the information
contained in this announcement.  To the best of the knowledge and belief of the
directors of AROC and Alliance (who have taken all reasonable care to ensure
that such is the case), the information contained in this announcement for which
they accept responsibility is in accordance with the facts and does not omit
anything likely to affect the import of such information.

For further details contact:

Alliance Resources Plc                    American Rivers Oil Company

Jak Keenan                                Karlton Terry
Chairman and Managing Director            President

4200 E Skelly Drive                       700 East 9th Street
Tulsa                                     Denver
Oklahoma                                  Colorado 80203
USA                                       USA

Tel: [phone]                     Tel: [phone]