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March
18, 2003



Northern
Mining Explorations Ltd.

Place
du Canada

1010,
de la Gauchetiere Street West

Suite
M-110

Montreal,
Quebec

Canada
H3B 2N2



Attn:
 Mr. Carlos H. Bertoni, CEO



Dear
Sirs:



RE:  
Amendment to Letter of Intent dated January 20, 2003



This
will confirm that the Letter of Intent between Northern Mining Explorations Ltd.
(the "Optionee") and Tan Range Exploration Corporation for an Option
to acquire from Tanzanian American International Development Corporation 2000
("Tanzam 2000"), Kabahelele Mining Company Limited ("Kabahelele")
and Tancan Mining Company Limited ("Tancan") (collectively the "Optionors")
dated January 20, 2003 is hereby amended as follows:



(a)

By
adding the interest of the Optionors in Prospecting License PL 1319/99 ("PL
1319/99"), located in Tanzania, a copy of which is attached hereto as
Schedule "A".  We confirm that Tanzam 2000
holds an option to acquire a 70% undivided interest in PL 1319/99 pursuant to a
Prospecting and Mining Option Agreement with Zahabu Investment Limited ("Zahabu")
dated June 25, 1999, a copy of which is attached hereto as Schedule
"B";



(b)

By
amending paragraph 3.2 to read:  "In consideration of the grant of the
Option, the Optionee agrees to pay to the Optionor the sum of Seventy Thousand
Dollars ($70,000) immediately upon execution of the Letter of Intent by the
Optionee and in consideration of the grant of the Option of PL 1319/99, the
Optionee agrees to pay to the Optionor the sum of Ten Thousand Dollars ($10,000)
immediately upon execution of the Amendment to Letter of Intent by the Optionee.";



(c)

By
amending paragraph 4.1.4 table as attached hereto;

---





(d)

By
amending PL Appl. No. 590 ("PL 590") to correctly read PL Appl. No.
594 ("Appl. 594").



1.

This
Amendment to the Letter of Intent shall be deemed to be incorporated in and to
form part of the said Letter of Intent dated January 20, 2003 and which said PL
1319/99 shall be included in and referred to under the same terms and conditions
as the Letter of Intent, which, except as amended by this Amendment, shall
continue in full force and effect.



Kindly
indicate your acceptance of the foregoing by signing and returning one copy of
this Amendment to Letter of Intent together with your payment of $10,000 in
consideration of the grant of the option of PL 1319/99.



TAN
RANGE EXPLORATION CORPORATION







Per:

Signed
by Marek Kreczmer



MAREK
J. KRECZMER

President





AGREED
AND ACCEPTED THIS16th

DAY
OF  April   , 2003.





NORTHERN
MINING EXPLORATIONS LTD.







Per:

Signed
by Paul A. Girard for:



CARLOS
BERTONI, C.E.O.







---

4.1.4



|Date
      of Completion | Payment
      to Optionors
      Re:
      PL
      1319/99 | Payment
      to
      Optionors
      Re:
      PL
      427/96 | Payment
      to
      Optionors
      Re:
      PL
      1452/00 | Payment
       to Optionors Re:
      PL
      1946/02 | Payment
      to Optionors Re:
      Appl.
      594 | Payment
      to
      Optionors
      Re:
      PL
      1269/99 | Payment
      to
      Optionors
      Re:
      PL
      1275/99 | Payment
      to
      Optionors
      Re:
      PL
      1218/99 | Payment
      to
      Optionors
      Re:
      PL
      1947/02 | Exploration
      and Development Expenditures | Drilling
      Requirement                   
|------------------------ | ----------------------------------------------------------- | ---------------------------------------------------------------- | ----------------------------------------------------------------- | ------------------------------------------------------ | ---------------------------------------------------- | ----------------------------------------------------------------- | ----------------------------------------------------------------- | ----------------------------------------------------------------- | ----------------------------------------------------------------- | ---------------------------------------------- | ---------------------------------------------
|December
      31,2003   | $20,000                                                     | $20,000                                                          | $20,000                                                           | $20,000                                                | $20,000                                              | $20,000                                                           | $20,000                                                           | $20,000                                                           | $20,000                                                           | $200,000+                                      |                                              
|December
      31,2004   | $30,000                                                     | $30,000                                                          | $30,000                                                           | $30,000                                                | $30,000                                              | $30,000                                                           | $30,000                                                           | $30,000                                                           | $30,000                                                           | $250,000+                                      |                                              
|December
      31,2005   | $40,000                                                     | $40,000                                                          | $40,000                                                           | $40,000                                                | $40,000                                              | $40,000                                                           | $40,000                                                           | $40,000                                                           | $40,000                                                           | $300,000+                                      | 17,000m
      RAB or 7,000m RC or 3,500m DD  
|December
      31,2006   | $50,000                                                     | $50,000                                                          | $50,000                                                           | $50,000                                                | $50,000                                              | $50,000                                                           | $50,000                                                           | $50,000                                                           | $50,000                                                           | $350,000+                                      | 20,000m
      RAB or 8,500m RC or   4,600m DD
|December
      31,2007   | $60,000                                                     | $60,000                                                          | $60,000                                                           | $60,000                                                | $60,000                                              | $60,000                                                           | $60,000                                                           | $60,000                                                           | $60,000                                                           | $400,000+                                      | 23,000m
      RAB or 10,000m RC or 5,400m DD 
|TOTAL                    | $200,000                                                    | $200,000                                                         | $200,000                                                          | $200,000                                               | $200,000                                             | $200,000                                                          | $200,000                                                          | $200,000                                                          | $200,000                                                          | $1,500,000                                     |