RNS Number:5153O
Tyco International Ld
08 August 2003








       TYCO ANNOUNCES EFFECTIVENESS OF ITS SHELF REGISTRATION STATEMENT



Pembroke, Bermuda - August 8, 2003 - Tyco International Ltd. (NYSE - TYC, BSX -
TYC, LSE - TYI) today announced that its shelf registration statement on Form
S-3 has been declared effective by the U.S. Securities and Exchange Commission.
Tyco announced earlier today that it had requested that the Securities and
Exchange Commission accelerate the effectiveness of the registration statement.
The registration statement was filed pursuant to a registration rights agreement
entered into in January 2003 upon the private placement of Tyco International
Group S.A.'s 2.750% Series A Convertible Senior Debentures due 2018 and 3.125%
Series B Convertible Senior Debentures due 2023 under Rule 144A of the
Securities Act.



This press release shall not constitute an offer to sell or a solicitation of an
offer to buy, nor will there be any sale of these debentures in any state or
jurisdiction in which such an offer, solicitation or sale would be unlawful
prior to registration or qualification under the securities laws of any such
state or jurisdiction. Copies of the registration statement, including the
prospectus and prospectus supplement subject to completion contained therein,
are available on the SEC's web site at www.sec.gov and may also be obtained on
the Company's web site at www.tyco.com under Investor Relations.



ABOUT TYCO INTERNATIONAL



Tyco International Ltd. is a diversified manufacturing and service company.
Tyco is the world's largest manufacturer and servicer of electrical and
electronic components; the world's largest designer, manufacturer, installer and
servicer of undersea telecommunications systems; the world's largest
manufacturer, installer and provider of fire protection systems and electronic
security services and the world's largest manufacturer of specialty valves.
Tyco also holds strong leadership positions in medical device products, and
plastics and adhesives.  Tyco operates in more than 100 countries and had fiscal
2002 revenues from continuing operations of approximately $36 billion.



FORWARD-LOOKING INFORMATION



This release contains certain "forward-looking statements" within the meaning of
the United States Private Securities Litigation Reform Act of 1995. These
statements are based on management's current expectations and are subject to
risks, uncertainty and changes in circumstances, which may cause actual results,
performance or achievements to differ materially from anticipated results,
performance or achievements. All statements contained herein that are not
clearly historical in nature are forward looking and the words "anticipate," "
believe," "expect," "estimate," "project," and similar expressions are generally
intended to identify forward-looking statements. The forward-looking statements
in this release include statements addressing future financial condition and
operating results.



Economic, business, competitive and/or regulatory factors affecting Tyco's
businesses are examples of factors, among others, that could cause actual
results to differ materially from those described in the forward-looking
statements.

More detailed information about these and other factors is set forth in Tyco's
Annual Report on Form 10-K for the fiscal year ended September 30, 2002, as
amended, and its Quarterly Report on Form 10-Q for the quarter ended March 31,
2003, as amended. Tyco is under no obligation to (and expressly disclaims any
such obligation to) update or alter its forward-looking statements whether as a
result of new information, future events or otherwise.



Contacts:


Gary Holmes (Media)
212-424-1314



Ed Arditte (Investors)
212-424-1390


                      This information is provided by RNS
            The company news service from the London Stock Exchange
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