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Tyco To Report Third Quarter Results On July 29, 2003

03 3 2003

Pembroke, Bermuda, June 2, 2003 - Tyco International Ltd. (NYSE-TYC, LSE-TYI, BSX-TYC) will be reporting its third quarter results before the market opens on Tuesday, July 29, 2003. The Company will hold a conference call for investors at 8:30 am EDT. The call can be accessed in three ways:

· At the following website: http://investors.tyco.com/medialist.cfm. A replay of the call will be available through Tuesday, August 5, 2003 at the same website.

· By telephone dial-in with the capability to participate in the question and answer portion of the call. The telephone dial-in number for the participants in the United States is: (888) 428-4480. The telephone dial-in number for the participants in International locations is: (651) 291-5254. Due to capacity limitations on the part of our teleconference service provider, the number of lines available is limited. If these lines have reached their limit, investors will need to call the "listen-only" number provided below.

· By telephone dial-in to participate in a "listen-only" mode. The telephone dial-in number for the participants in the United States is: (866) 254-5938. The telephone dial-in number for the participants in International locations is: (612) 326-1008. The participants' code for all callers is: 687288. Investors who do not intend to ask questions should dial this number directly.

The replay is scheduled to be available at 3:30 pm on July 29, 2003 until 11:59 PM on August 5, 2003. The dial-in numbers for the replay are as follows: Domestic (U.S.) (800) 475-6701. International: (320) 365-3844. The replay access code for all callers is: 687286.

ABOUT TYCO INTERNATIONAL LTD.

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 disposable medical products, plastics and adhesives. Tyco operates in more than 100 countries and had fiscal 2002 revenues from continuing operations of approximately $36 billion.