The presentation will be simultaneously webcast at
http://www.1 million wireless subscribers.

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Centennial Communications Corp.com/,
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centennialwireless.

PRESS RELEASE Centennial Communications to Present at 2005 CIBC World Markets Communications +amp; Technology Conference

com/ and
http://www.

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Centennial Communications to Present at JPMorgan 2005 High Yield Conference

com/

asia top

com/,
http://www. (NASDAQ: CYCL)
announced today that Chief Financial Officer Thomas J.com/

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(NASDAQ: CYCL)
today announced that Chief Executive Officer Michael J. Fitzpatrick is
scheduled to speak at the 2005 CIBC World Markets Communications and
Technology Conference in New York on Wednesday, May 11th at 3:40 p. Centennial's Caribbean business
owns and operates wireless networks in Puerto Rico, the Dominican Republic
and the U.centennialrd .

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Centennial Communications Corp.ir.S.

city south

com/, shortly before the
scheduled presentation.S.

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For more information regarding Centennial, please visit our
websites http://www.com/webcasts/cibcwm/tech05 /65210112. business owns and operates wireless networks in the Midwest and
Southeast covering parts of six states. Welsh, Carson Anderson & Stowe and an
affiliate of the Blackstone Group are controlling shareholders of
Centennial. For more information regarding Centennial, please visit our
websites http://www.

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Small is scheduled
to speak at the JPMorgan High Yield Conference on Monday, January 31, 2005. Welsh, Carson Anderson & Stowe and an
affiliate of the Blackstone Group are controlling shareholders of
Centennial.centennialpr.centennialwireless.

regional oceania

Virgin Islands and provides facilities -based integrated voice,
data and Internet solutions.com/
and http://www.

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com/, via the "Investor Relations" page
shortly before the scheduled presentation.
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About Centennial

Centennial Communications (NASDAQ: CYCL), based in Wall, NJ, is a leading
provider of regional wireless and integrated communications services in the
United States and the Caribbean with over 1 million wireless subscribers.S. ET.

v europe

m. Virgin Islands and provides facilities-based integrated voice ,
data and Internet solutions.

caribbean v

business owns and operates wireless networks in the Midwest and
Southeast covering parts of six states.centennialrd.veracast.

europe islands

The presentation slides will be available on Centennial's website,
http://www.S. Centennial's Caribbean business
owns and operates wireless networks in Puerto Rico, the Dominican Republic
and the U. The
presentation slides will be available on Centennial's Investor Relations
website, http://www.

ABOUT CENTENNIAL

Centennial Communications (NASDAQ: CYCL), based in Wall, NJ, is a leading
provider of regional wireless and integrated communications services in the
United States and the Caribbean with over 1.centennialwireless .centennialpr.