AMENDMENT4/POTENCY RESERVE & POWER SUPPLY CONTRACT



 


Exhibit 10.13






	 	 	Addendum No. 04 to the Contract of Potency Reserve and
Supply of Electric Power, executed by and between
Companhia Hidro Elétrica do São Francisco - CHESF and
Trikem S/A, on 06/02/1998.




COMPANHIA HIDRO ELÉTRICA DO SÃO FRANCISCO, operator of electric power public
services, established in the City of Recife, State of Pernambuco, at Rua
Delmiro Gouveia number 333, District of Bongi, enrolled in the Taxpayers’
General Registry of the Ministry of Finance under number 33 541 368/0001-16 and
in the Fiscal Registry of the State of Pernambuco under number 18 1 001
0005584-6, hereinafter referred to as CHESF, and TRIKEM S/A, with its
industrial facilities in the Municipality of Maceió, State of Alagoas, enrolled
in the Taxpayers’ General Registry of the Ministry of Finance under number 13
558 226/0013-98 and in the Fiscal Registry of the State of Alagoas under number
240 07111-5, hereinafter referred to as CONSUMER, the parties being represented
by their Directors who signed “in-fine”, have mutually adjusted this ADDENDUM
TO THE CONTRACT OF POTENCY RESERVE AND SUPPLY OF ELECTRIC POWER, according to
the following clauses:




	 	 	 
	1st CLAUSE

	 	The subject matter of this Addendum is establishing, for all
contractual purposes, the quantities of reserved potency, according to the
values and periods included in the attached table, which is an integral
part of this Addendum.






The other clauses in the contract hereby appended, remain unchanged with
respect to all provisions that do not expressly or implicitly are conflicting
herewith.



Being thus agreed, the parties sign this instrument on 3 (three) copies of
equal content and configuration, in the presence of the witnesses indicated.




                
                         
                        
                        Recife, February 04, 2000




COMPANHIA HIDRO
ELÉTRICA DO SÃO FRANCISCO - CHESF




	 	 	 
	
 

	 	
 
	(Signed by)

	 	(Signed by)
	Mozart de Siqueira Campos Araujo,

	 	Paulo de Tarso da Costa,
	Director President

	 	Operations Director







TRIKEM S/A.




	 	 	 
	
 

	 	
 
	(Signed by)

	 	(Signed by)
	OSVALDO URDANIZ DEIRO,

	 	JOÃO CARLOS BRASIL FEIJÓ,
	Director

	 	Director
	 
	 	 
	WITNESSES:
	 	 
	
 

	 	
 
	(Signed by)

	 	(Signed by)
	Ricardo de Maya Gomes Simões,

	 	João Henrique de Araújo Franklin Neto







 









 






TABLE OF POTENCY RESERVE



Addendum No. 04 to the Contract of Potency Reserve and Supply of Electric
Power, executed by and between Companhia Hidro Elétrica do São Francisco -
CHESF and Trikem S/A, on 02/04/2000.




	 	 	 	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 
	 	 	 	 	PERIOD	 	MONTHLY
	PERIOD OF SUPPLY
	 	IN	 	(VALUES IN KW)

	Item
	 	Month/Year
	 	THE YEAR
	 	Peak
	 	Out of Peak

	01

	 	Jan/2000
	 	Wet
	 	 	165,000	 	 	 	165,000	 
	02

	 	Feb. 01 to 04/2000
	 	Wet
	 	 	165,000	 	 	 	165,000	 
	03

	 	Feb. 05 to 29/2000
	 	Wet
	 	 	170,000	 	 	 	170,000	 
	04

	 	04 Mar to Apr/2000
	 	Wet
	 	 	170,000	 	 	 	170,000	 
	05

	 	May to Nov/2000
	 	Dry
	 	 	170,000	 	 	 	170,000	 
	06

	 	Dec/2000
	 	Wet
	 	 	170,000	 	 	 	170,000	 
	07

	 	Jan to Apr/2001
	 	Wet
	 	 	170,000	 	 	 	170,000	 
	08

	 	May to Nov/2001
	 	Dry
	 	 	170,000	 	 	 	170,000	 
	09

	 	Dec/2001
	 	Wet
	 	 	170,000	 	 	 	170,000	 
	10

	 	Jan to Apr/2002
	 	Wet
	 	 	170,000	 	 	 	170,000	 
	11

	 	May to Nov/2002
	 	Dry
	 	 	170,000	 	 	 	170,000	 
	12

	 	Dec/2002
	 	Wet
	 	 	170,000	 	 	 	170,000	 
	13

	 	Jan to Apr/2003
	 	Wet
	 	 	170,000	 	 	 	170,000	 
	14

	 	May to Nov/2003
	 	Dry
	 	 	170,000	 	 	 	170,000	 
	15

	 	Dec/2003
	 	Wet
	 	 	170,000	 	 	 	170,000	 
	16

	 	Jan to Apr/2004
	 	Wet
	 	 	170,000	 	 	 	170,000	 
	17

	 	May to Nov/2004
	 	Dry
	 	 	170,000	 	 	 	170,000	 
	18

	 	Dec/2004
	 	Wet
	 	 	170,000	 	 	 	170,000	 







COMPANHIA HIDRO
ELÉTRICA DO SÃO FRANCISCO - CHESF




	 	 	 
	
 

	 	
 
	(Signed by)

	 	(Signed by)
	Mozart de Siqueira Campos Araujo,

	 	Paulo de Tarso da Costa,
	Director President

	 	Operations Director







TRIKEM S/A.