SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
 
FORM 6-K
 
Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 of the
Securities Exchange Act of 1934
 
For the month of July, 2007

Commission File Number 1-13758
 
 

PORTUGAL TELECOM, SGPS, S.A.
(Exact name of registrant as specified in its charter)
 

Av. Fontes Pereira de Melo, 40
1069 - 300 Lisboa, Portugal
(Address of principal executive office)
 

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. 

Form 20-F ___X___ Form 40-F _______

 Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes _______ No ___X____

RELEASE

Portugal Telecom, SGPS, S.A.
Portugal Telecom, SGPS, S.A.
Public Company
Registered Offices: Avenida Fontes Pereira de Melo, 40, Lisboa
Share Capital: Euro 33,865,695
Registered in the Commercial Registry Office of Lisbon
and Corporation no. 503 215 058

Acquisition of own shares through
financial derivative instruments

Lisbon, Portugal, 3 July 2007 – Portugal Telecom informs that, as part of the approved share buyback programme, it has contracted with several financial institutions equity swap agreements over a total of 56,697,311 shares, representing 5.02% of PT’s share capital.

This information is also available on PT’s IR website http://ir.telecom.pt.

Contact:    Nuno Prego, Investor Relations Director 
    nuno.prego@telecom.pt
 
    Portugal Telecom 
    Tel: +351 21 500 1701
    Fax: +351 21 500 0800

 
Portugal Telecom is listed on the Euronext and New York Stock Exchanges. Information may be accessed on the Reuters under the symbols PTC.LS and PT and on Bloomberg under the symbol PTC PL. 
 

 
SIGNATURE
 
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: July 3, 2007

 
PORTUGAL TELECOM, SGPS, S.A.
By:
/S/  Nuno Prego
Nuno Prego
Investor Relations Director
 

 

 
FORWARD-LOOKING STATEMENTS

This press release may contain forward-looking statements. These statements are statements that are not historical facts, and are based on management's current view and estimates of future economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes", "estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected events, trends or results will actually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual results to differ materially from current expectations.