Exhibit
4.4

JOURNAL NO. 26,372-2003

SHARE
PURCHASE AGREEMENT

BY AND BETWEEN

INVERSIONES
PACIFICO II LIMITADA ET AL

AND

TELEFÓNICA
EMPRESAS CTC CHILE S.A.

In Santiago, Republic of Chile,
on August 27, 2003, before me, René Benavente Cash, attorney,
Notary Public, Titular of the Forty-Fifth Notarial Office of Santiago,
domiciled in this city at Paseo Huérfanos 979, 7th floor, there
appeared:

		
	1. 	INVERSIONES PACIFICO II LIMITADA,
taxpayer identification number 88,492,000-0, and


		
	2. 	INVERSIONES ATLANTICO LIMITADA, taxpayer
identification number 78,091,430-0,


both represented, as shall
be evidenced, by Mr. ANDRES NAVARRO HAEUSSLER, Chilean, married, civil
engineer, national identity card number 5,078,702-8, and by Mr. PABLO
NAVARRO HAEUSSLER, Chilean, married, civil engineer, national identity
card number 6,441,662-6, all domiciled for these purposes at Teatinos
500, borough and city of Santiago, hereinafter also called
"Pacifico" and
"Atlantico," respectively;

		
	3.         	INVERSIONES SANTA ISABEL LIMITADA,
taxpayer identification number 79,822,680-0, represented by Mr. ANDRES
NAVARRO HAEUSSLER, identified above, hereinafter also called
"Santa Isabel," of the same foregoing
domicile,


as one party, hereinafter collectively called
the "Buyers"; and as the other,

		
	4.         	TELEFONICA EMPRESAS CTC CHILE S.A.,
taxpayer identification number 90.430.000-4, represented by Mr. CLAUDIO
ARMANDO MUÑOZ ZUÑIGA, Chilean, married, civil industrial
engineer, national identity card number 9,618,122-1, both domiciled for
these purposes at Avenida Providencia No. 119, 29th floor, borough of
Providencia, hereinafter also called
"Telefónica" or the
"Seller."


The parties are of
age, evidenced their entities by the aforesaid identity cards and state
that they have agreed to enter into the following purchase
agreement:

WHEREAS:

		
	1. 	Telefónica is currently the sole owner and
holder of 35,000 shares in SOCIEDAD NACIONAL DE PROCESAMIENTO DE DATOS
S.A., hereinafter "SONDA" or the
"Company," equal to 35% of the shares
validly issued by the Company pursuant to Share Certificate No. 24
issued September 26, 2002;


		
	2. 	SONDA was
incorporated as a limited liability company by public deed executed
October 30, 1974, in the Santiago Notarial Office of Mr. Herman
Chadwick. It was transformed into a stock corporation by public deed
dated September 17, 1991, an abstract of which was registered on page
28,201, number 14,276, of the 1991 Commercial Registry of the Santiago
Real Estate Registrar and was published in the Official Gazette on
September 24th of the same year.


		
	3. 	Pacífico, Atlántico and Santa Isabel
taken as a whole are currently the controlling shareholders who have
actively participated in the administration of Sonda and know of its
actual financial, accounting, tax and legal condition wherefore they
expressly release Telefónica from the obligation to make any
representations in regard to Sonda.


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	4. 	On July 29, 2003, Santa
Isabel advised Telefónica of its decision to exercise its
purchase option for Sonda shares in advance, in accordance with the
stipulations in the second clause, letter C), of the option agreement
made between Santa Isabel and Telefónica by private deed dated
September 26, 2002. Santa Isabel expressed its decision in the same
notice to purchase and acquire the shares for itself and for
Atlántico and Pacífico, in the proportions indicated in
such letter.


		
	5. 	The parties have mutually agreed
to change the sale terms indicated in letter C) of the document dated
September 26, 2002, to which the preceding number refers, and they have
agreed to a total price of one million nine hundred and seventy-two
thousand two hundred and six unidades de fomento (U.F. 1, 972,206) for
35% of the shares in Sonda.


FIRST: Purchase of the
Shares

Telefónica, duly represented by Mr.
Claudio Muñoz Zuñiga, hereby sells, assigns and transfers
all of its 35,000 shares in Sonda to Pacífico, Atlántico
and Santa Isabel, who purchase, acquire and accept such shares for
theemselves in the following proportions:

		
	(i) 	Pacífico purchases and acquires
22,077 shares;


		
	(ii) 	Atlántico
purchases and acquires 5,385 shares; and


		
	(iii) 	Santa Isabel purchases and acquires
7,538 shares.


SECOND: Price

The total
purchase price for the shares indicated in the preceding point is the
sum of thirty three billion three hundred and eighty-eight million
three hundred and sixty-two thousand eight hundred and sixty-seven
pesos, (CH$33,388,262,867) equal in pesos, legal tender, to one
million nine hundred and seventy-two thousand two hundred and six
unidades de fomento (U.F. 1,972,206) paid by the Buyers at once, in
this act, by bank checks endorsed in the name of the Seller, in the
following proportions:

		
	(i) 	Pacífico pays
the sum of twenty-one billion sixty million four hundred and
twenty-five thousand three hundred and forty-three pesos (Ch$
21,060,425,343) through the delivery of the following bank checks:


			
		(a) 	Bank check No. 4134879, issued by BCI in the
amount of nine billion eight hundred and twenty-seven million one
hundred and twenty-five thousand eight hundred and eight pesos,
(Ch$9,827,125,808) and


			
		(b) 	Bank Check No.
1669230, issued by Banco del Estado in the amount of eleven billion two
hundred and thirty-three million two hundred and ninety-nine thousand
five hundred and thirty-five pesos (Ch$ 11,233,299,535);


		
	(ii) 	Atlántico pays the sum of five billion
one hundred and thirty-seven million thirty-eight thousand one hundred
and fifteen pesos (Ch$ 5,137,038,115) through the delivery of bank
check No. 691975-2, issued by Banco de Chile in such amount; and


		
	(iii) 	Santa Isabel pays the sum of seven billion
one hundred and ninety million eight hundred and ninety-nine thousand
four hundred and nine pesos (Ch$7,190,899,409) through delivery of
the following bank checks:


			
		(a) 	Bank check No.
4134877, issued by BCI in the amount of one billion six hundred and
eighty-four million nine hundred thousand one hundred and ninety-two
pesos (Ch$1,684,900,192);


			
		(b) 	Bank Check No.
973206, issued by Banco Security in the amount of four billion
fifty-three million nine hundred and ninety-three thousand eight
hundred and fifteen pesos (Ch$4,053,993,815); and


			
		(c) 	Bank Check No. 691974-4, issued by Banco de Chile
in the amount of one billion four hundred and fifty-two million five
thousand four hundred and two pesos (Ch$1,452,005,402).


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Telefónica declares receipt
of such sums to its full satisfaction and deems the price paid in its
entirety.

THIRD: Share Certificates

Telefónica hereby delivers the certificate for the
shares they have acquired and paid for herein to the Buyers, who
declare receipt thereof.

FOURTH: Return of Guarantees

As the obligations assumed by Santa Isabel in the Option
Agreement dated September 26, 2002 have been fulfilled opportunely in
full, Telefónica hereby returns the following bank bonds to
Santa Isabel:

		
	(i) 	Bond No. 0504583, issued by
Banco del Estado de Chile in the amount of seven hundred and
eighty-three thousand one hundred and eighty-five unidades de fomento,
to expire September 26, 2003;


		
	(ii) 	Bond No.
0085376, issued by Banco de Crédito e Inversiones in the amount
of nine hundred thousand unidades de fomento, to expire September 25,
2003; and


		
	(iii) 	Bond No. 18615, issued by Banco
Security in the amount of three hundred thousand unidades de fomento,
to expire September 25, 2003;


The representative of Santa
Isabel declares receipt of such documents to his full satisfaction.


FIFTH: Representations by the Parties


For purposes hereof, the parties represent the following:

		
	(a) 	Both the execution of this agreement as well as
performance of all obligations herein contained are within the
authority of the parties, have been approved by the management organs
of each thereof, and constitute a valid and binding contract.


		
	(b) 	The execution and performance of this agreement by
both parties does not breach nor conflict with their repsective by-laws
nor those of the Company, nor breach or violate any legal,
administrative, regulatory rule or judicial resolution notified and
binding upon the parties.


		
	(c) 	Telefónica
represents that the shares sold are free of any lien, prohibition,
attachment, debt or litigation.


		
	(d) 	The parties
declare the option agreement dated September 26, 2002 to be fulfilled
in full and grant each other an ample and complete discharge.


SIXTH: Termination of Agreement

Pacífico,
Atlántico and Telefónica hereby agreed to terminate and
annul all parts of the Shareholders' Agreement they signed as
shareholders in Sonda by private deed dated September 26, 2002, and to
grant each other a full and complete discharge in such regard. This
discharge does not include the obligations assumed by
Compañía de Telecomunicaciones de Chile S.A. in the
framework of such Shareholders' Agreement as the parent company
of Telefónica Empresas CTC Chile S.A., pursuant to an agreement
set out in the public deed dated September 26, 2002, executed before
Raúl Undurraga Laso, Notary of Santiago, which remain in full
force.

SEVENTH: Miscellaneous


Expenses: All fees, expenses and costs derived from
this agreement will be paid by the Buyers.


Governing
Law. This agreement is governed by the laws of the Republic of
Chile.


Domicile. For all legal purposes derived
herefrom, the parties elect their domicile as the city and borough of
Santiago.


Authorities. The authority of the
representative of Telefónica Empresas CTC Chile S.A. is
evidenced in the public deed dated July 30, 2002, executed before
Alvaro Bianchi Rosas, Notary Public of Santiago.

The
authority of the representatives of Inversiones Pacífico II
Limitada is evidenced in the public deed executed October 27, 1995 in
the Santiago Notarial Office of Mr. Andrés Rubio Flores.

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The authority of the representatives
of Inversiones Atlántico Limitada is evidenced in the public
deed executed October 27, 1995 in the Santiago Notarial Office of Mr.
Andrés Rubio Flores.

The authority of the
representative of Inversiones Santa Isabel Limitada is evidenced in the
public deed executed October 27, 1995 in the Santiago Notarial Office
of Mr. Andrés Rubio Flores.

In witness whereof,
the parties so execute and sign after reading, together with the
authenticating notary. A copy is given. I attest.


/s/ ANDRES NAVARRO HAEUSSLER


ANDRES NAVARRO HAEUSSLER

for INVERSIONES
PACIFICO II LIMITADA

for INVERSIONES ATLANTICO
LIMITADA

for INVERSIONES SANTA ISABEL LIMITADA


/s/ PABLO NAVARRO HAEUSSLER


PABLO NAVARRO HAEUSSLER

for INVERSIONES
PACIFICO II LIMITADA

for INVERSIONES ATLANTICO
LIMITADA


/s/ CLAUDIO MUÑOZ
ZUÑIGA


CLAUDIO MUÑOZ ZUÑIGA

for TELEFONICA EMPRESAS CTC CHILE S.A.

I do certify that this copy, consisting of

4 pages, is a true record of the original.

Santiago, August 27, 2003


/s/ RENE
BENAVENTE CASH


RENE BENAVENTE CASH

45th Notary Public of
Santiago

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