Document:

FULL AND FINAL RELEASE

TO:               INFOCAST CORPORATION

AND TO:           INFOCAST CANADA CORPORATION

                  IN  CONSIDERATION  of the sum of ONE DOLLAR  ($1.00) of lawful
money of Canada now paid by you to the undersigned  (the receipt and adequacy of
which is hereby acknowledged by the undersigned) and for other good and valuable
consideration,  the undersigned hereby remises,  releases and forever discharges
you from all actions, causes of action, suits, debts, duties,  accounts,  bonds,
covenants,  contracts,  claims and demands  whatsoever which the undersigned now
has or  hereafter  can,  shall  or may have  for or by  reason  of or in any way
arising out of or in any way related tor referable to or connected with

         (a)      an agreement (the "Share Purchase  Agreement") made in writing
                  and being dated the 13th day of May,  1999,  between  Infocast
                  Corporation,  Infocast Canada Corporation,  Applied Courseware
                  Technology  Inc.,  Gerry  Costello,   Faye  Costello,   Joseph
                  Costello and Stephen Headford; and

         (b)      any  agreements,  documents  and  instruments  relating to the
                  Share Purchase Agreement  including,  without limitation,  the
                  Transaction  Documents  (as that term is  defined in the Share
                  Purchase Agreement).

                  The  undersigned  represents  and  warrants  that he has never
assigned or transferred,  or purported to assign or transfer, any claim or right
which is based on or referable to any matter  referred to or contemplated in any
either clause (a) or (b) in the preceding  paragraph and which he has had or may
have had at any time up or on the date hereof against you, and covenants that he
will not assign or  transfer,  or purport  to assign or  transfer,  any claim or
right which is based on or referable to any matter  referred to or  contemplated
in either clauses (a) or (b) of the preceding  paragraph and which he has had or
may have had at any time up to or on the  date  hereof  against  you and that he
shall indemnify,  defend and hold you harmless in respect of any such assignment
or transfer or purported assignment or transfer made by him.

                  The undersigned agrees not to make any claim or to commence or
maintain any proceedings  against any person,  firm or corporation in respect of
any matter,  claim or cause of action existing at the date hereof which is based
on or referable to any matter  referred to or contemplated in either clauses (a)
or (b) of the first paragraph hereof it such person,  firm or corporation  might
claim contribution or indemnity from you.

                  THE  PROVISIONS  hereof  shall  enure to the  benefit  of your
respective heirs, executors,  administrators, legal personal representatives and
successors and shall be binding upon

<PAGE>

the respective heirs, executors,  administrators, legal personal representatives
and successors of the undersigned.

                  AND IT IS AGREED that you do not by the payment  aforesaid  or
otherwise  admit any  liability to the  undersigned  and  liability is, in fact,
denied.

                  IN WITNESS WHEREOF the undersigned individual has hereunto set
his hand and seal this 6th day of January, 2000.

SIGNED, SEALED AND DELIVERED                )
in the presence of                          )
                                            )
                                            )
                                            )
________________________________            )        /s/ Stephen Headford
Witness                                     )        --------------------------
                                            )        Stephen Headford

                                       -2-SCHEDULE "D"

                                     RELEASE

                  APPLIED  COURSEWARE  TECHNOLOGY INC.,  GERARD  COSTELLO,  FAYE
COSTELLO and JOSEPH COSTELLO (the  "Releasors") in  consideration  of the sum of
TWO DOLLARS ($2.00) and other good and valuable  consideration,  the receipt and
sufficiency of which consideration is hereby acknowledged, do and subject to the
terms of a Settlement  Agreement dated January 7, 2000,  hereby remise,  release
and forever discharge INFOCAST CANADA CORPORATION and INFORCAST CORPORATION (the
"Releasees") its officers, directors,  employees, agents, successors and assigns
of and from all  manner  of  actions,  causes of  action,  suits,  debts,  dues,
accounts,  bonds,  covenants,  contracts,  claims and demands  whatsoever  which
against  the said  Releasees  the  Releasors  ever  had,  now has or  which  its
successors  or  assigns,  or any one of them,  can,  shall or may have for or by
reason of any cause,  matter or thing whatsoever existing up to the date of this
release,  whether known or unknown, and specifically including,  notwithstanding
the  generality  of the  foregoing,  all claims or  defences  arising  out of or
related to the Releasors'  claims for damages under a Share  Purchase  Agreement
dated May 13,  1999 (the "Share  Purchase  Agreement")  and an Escrow  Agreement
dated May 13, 1999, and all other agreements,  instruments and documents related
to the Share Purchase Agreement,  including, without limitation, the Transaction
Documents (as that term is defined in the Share Purchase Agreement).

                  The Releasors  further agree not to make any claims (including
any  cross-claim,  counter-claim,  third  party  claim,  action or  application)
against any person or  corporation  who might claim  contribution  or  indemnity
against the Releasees.

                  It is understood and agreed that the said payment is deemed to
be no admission whatsoever of liability on the part of said Releases.

<PAGE>

                  IN WITNESS  WHEREOF,  APPLIED  COURSEWARE  TECHNOLOGY INC. has
hereunto  affixed  its  corporate  seal  under the hands of its  proper  signing
officers duly  authorized  in that behalf and GERARD  COSTELLO and FAYE COSTELLO
have  hereunto  set their hands and seals in the  presence of a witness this 7th
day of January, 2000.

                                             APPLIED COURSEWARE TECHNOLOGY, INC.

                                             Per: /s/ Gerard Costello       c/s
                                                  -----------------------

/s/                                         /s/ Gerard Costello             c/s
-------------------------                   -----------------------------
Witness                                     GERARD COSTELLO

/s/                                         /s/ Faye Costello               c/s
-------------------------                   -----------------------------
Witness                                     FAYE COSTELLO

/s/                                         /s/ Joseph Costello             c/s
-------------------------                   -----------------------------
Witness                                     JOSEPH COSTELLO

                                       -2-RELEASE

                  INFOCAST  CANADA  CORPORATION  and INFOCAST  CORPORATION  (the
"Releasors") in  consideration  of the sum of TWO DOLLARS ($2.00) and other good
and valuable  consideration,  the receipt and sufficiency of which consideration
is hereby  acknowledged,  do and subject to the terms of a Settlement  Agreement
dated January 6, 2000,  hereby  remise,  release and forever  discharge  APPLIED
COURSEWARE  TECHNOLOGY INC., GERARD COSTELLO,  FAYE COSTELLO and JOSEPH COSTELLO
(the "Releasees") their officers,  directors,  employees, agents, successors and
assigns of and from all manner of actions, causes of action, suits, debts, dues,
accounts,  bonds,  covenants,  contracts,  claims and demands  whatsoever  which
against  the said  Releasees  the  Releasors  ever  had,  now has or  which  its
successors  or  assigns,  or any one of them,  can,  shall or may have for or by
reason of any cause,  matter or thing whatsoever existing up to the date of this
release,  whether known or unknown, and specifically including,  notwithstanding
the  generality  of the  foregoing,  all claims or  defences  arising  out of or
related to the Releasors'  claims for damages under a Share  Purchase  Agreement
dated May 13, 1999 and an Escrow Agreement dated May 13, 1999.

                  The Releasors  further agree not to make any claims (including
any  cross-claim,  counter-claim,  third  party  claim,  action or  application)
against any person or  corporation  who might claim  contribution  or  indemnity
against the Releasees.

                  It is understood and agreed that the said payment is deemed to
be no admission whatsoever of liability on the part of said Releasees.

                  IN WITNESS WHEREOF,  INFOCAST CANADA  CORPORATION and INFOCAST
CORPORATION  have hereunto  affixed their corporate seals under the hands of its
proper signing officers duly authorized in that behalf this 7th January, 2000.

                                        INFOCAST CANADA CORPORATION

                                        Per:/s/                             c./s
                                            -------------------------------

                                        INFOCAST CORPORATION

                                        Per:/s/                             c./s
                                            -------------------------------TERMINATION AGREEMENT

                  THIS AGREEMENT is made as of the 29th day of July, 1999.

B E T W E E N

                           CHEROKEE MINING COMPANY, INC., a
                           corporation incorporated under the laws of the State
                           of Wyoming,

                           (hereinafter called "Cherokee")

                                                              OF THE FIRST PART,

                           -and

                           INFOCAST CORPORATION, a corporation
                           incorporated under the laws of the State of Nevada,

                           (hereinafter called "Infocast")

                                                             OF THE SECOND PART.

                  WHEREAS   Cherokee  and  InfoCast   (formerly   Grant  Reserve
Corporation) entered into a pledge agreement made November 25, 1988 (the "Pledge
Agreement"),  a copy of which is attached  hereto as Schedule  "A",  pursuant to
which Cherokee agreed to pledge certain shares (collectively  referred to as the
"Shares") of Madison Mining Corporation and Gold King Mines  Corporation,  among
other things, to InfoCast.

                  AND WHEREAS Cherokee and Silver Wing Co., Inc. ("Silver Wing")
have entered into an agreement for the purchase and sale of the Shares  pursuant
to which  Cherokee will  receive,  among other  things,  a Promissory  Note from
Silver Wing for the principal amount of US$250,000.

                  AND WHEREAS in  consideration of the termination of the Pledge
Agreement, Cherokee has agreed to assign the Promissory Note to InfoCast and pay
to InfoCast the sum of US$22,670;

                  NOW THEREFORE THIS AGREEMENT  WITNESSETH that in consideration
of the  premises  and  the  mutual  covenants  and  agreements  of  the  parties
hereinafter contained, the parties hereto agree as follows:

<PAGE>

1. In  consideration of the assignment by Cherokee to InfoCast of the Promissory
Note the Pledge  Agreement is hereby  terminated and shall have no further force
or effect as of the date hereof.

2. Each of Cherokee and InfoCast  agree the  Promissory  Note dated November 23,
1998 in the  principal  amount of  $600,000  issued by  Cherokee  to InfoCast is
hereby cancelled and of no force and effect.

3. Each of Cherokee, its officers,  directors,  servants, agents, successors and
assigns, and InfoCast, its officers, directors, servants, agents, successors and
assigns  hereby remise,  release and forever  discharge each from the other from
any and all manner of actions, amounts owing, accruing, due or otherwise, causes
of  action,  suits,  debts,  duties,  accounts,  bonds,  covenants,  warranties,
contracts,  claims and demands of every  nature or kind arising out of or in any
way contained in or related to the Pledge Agreement.

4.  InfoCast  hereby  agrees and  consents  to  delivery  of share  certificates
representing the Shares to Silver Wing and the registration of the Shares in the
name of Silver Wing.

5. Any notice,  document or other  communication  required or  permitted by this
Termination  Agreement  to be given by a party hereto shall be in writing and is
sufficiently given if delivered personally,  or if sent by prepaid ordinary mail
posted in Canada, or if transmitted by any form of  telecommunication  (which is
tested prior to  transmission,  confirms to the sender the receipt of the entire
transmission  by the recipient and reproduces a complete  written version of the
transmission  at the point of reception)  to such party  addressed as set out on
the face page hereof. Notice so mailed shall be deemed to have been given on the
third business day after deposit in a post office or public  letterbox.  Neither
party shall mail any notice, request or other communication hereunder during any
period in which  Canadian  postal  workers  are on  strike or if such  strike is
imminent and may  reasonably  be  anticipated  to affect the normal  delivery of
mail. Notice transmitted by a form of recorded  telecommunication  during normal
business hours on a business day (9:00 a.m. to 5:00 p.m. local time at the place
of receipt) shall be deemed to have been given on the day of transmission or, in
the case of notice transmitted  outside of normal business hours shall be deemed
to have been  given on the  first  Business  Day after the day of  transmission.
Notice delivered personally shall be deemed to have been given on the day it was
delivered.  Any party  may from time to time  notify  the  others in the  manner
provided herein of any change of address which thereafter, until changed by like
notice, shall be the address of such party for all purposes hereof.

6. The  parties  agree  to  execute  and  deliver  to each  other  such  further
instruments  and  other  written  assurances  and to do or cause to be done such
further acts or things as may be necessary or  convenient  to carry out and give
effect to the intent of this  Agreement or as any of the parties may  reasonably
request in order to carry out the transactions contemplated herein.

7. This  Agreement  (including  the  Schedules  hereto)  sets  forth the  entire
agreement  among the parties  hereto  pertaining to the specific  subject matter
hereof and replaces and supersedes

                                       -2-

<PAGE>

all prior agreements, understandings, negotiations and discussions, whether oral
or written, of the parties hereto, and there are no warranties,  representations
or other agreements,  whether oral or written, express or implied,  statutory or
otherwise,  between the parties  hereto in  connection  with the subject  matter
hereof except as  specifically  set forth herein.  No supplement,  modification,
waiver or  termination of this  Agreement  shall be binding  unless  executed in
writing by the party to be bound thereby.

8. This  Agreement  shall be binding  upon and shall enure to the benefit of the
parties  hereto  and  their   respective   heirs,   executors,   administrators,
successors, assigns and legal representatives.

                  IN WITNESS WHEREOF the parties have executed this Agreement as
of the date first above written.

                                             CHEROKEE MINING COMPANY, INC.

                                             Per: /s/
                                                  ------------------------------

                                             INFOCAST CORPORATION

                                             Per: /s/
                                                  ------------------------------

                                       -3-

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