Prospectus Summary
The following summary is qualified in its entirety by and should be read in conjunction with the more detailed information and Consolidated Financial Statements, including the Notes thereto, and other financial data appearing elsewhere in this Prospectus. Except as otherwise indicated, all information in this Prospectus (i) assumes an initial public offering price of $ per share of Common Stock and no exercise of the Underwriters' over-allotment option and (ii) has been adjusted to give effect to the conversion of all outstanding shares of the Company's non-voting Class A Common Stock, $.01 par value (the "Class A Common Stock") into shares of Common Stock. As used herein, the terms "Company" and "Viatel" refer to Viatel, Inc. and its subsidiaries and predecessor, and the term "Latin America" refers to the United Mexican States, Central America and South America, collectively. All industry data included in this Prospectus, including that of the International Telecommunications Union ("ITU"), has been presented as of 1994, the most recent year for which such data is available. See the "Glossary" appearing elsewhere herein for definitions of certain technical terms used in this Prospectus.