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February 3, 1999

Omnipoint's got you Covered!
Spearheads GSM Alliance's Efforts to Provide Coverage during Wireless '99


CEDAR KNOLLS, NJ - February 3, 1999-The North American GSM Alliance, a group of wireless PCS operators in the United States and Canada, announced today that Omnipoint Communications will supply a temporary GSM digital network dedicated to serving GSM customers attending the Cellular Telecommunications Industry Association's (CTIA) Wireless '99 convention in New Orleans. As a result, GSM wireless service will be available in locations around the city during CTIA's annual show. In cooperation with Nortel Networks and Ericsson, Omnipoint has installed equipment to provide GSM coverage at three primary venues, including the Ernest N. Morial Convention Center, the historic French Quarter and the New Orleans International Airport.

Omnipoint was granted Special Temporary Authority by the Federal Communications Commission to use a portion of radio spectrum in New Orleans for a specific period of time. Nortel Networks and Ericsson provided the necessary base station infrastructure equipment to support Omnipoint's engineering efforts. As a result, attendees to Wireless '99 from the United States and from around the world will be able to use their GSM service, including a full range of wireless data features such as Internet e-mail, two-way text messaging and fax capabilities while in New Orleans.

GSM wireless users from overseas can rent 1900 MHz handsets to use in New Orleans by calling the Omnipoint's World Rental program at +1-212-739-1761. Coverage questions from international GSM users can be addressed by calling the International Roaming Center at +1-610-317-7726.

GSM (Global System for Mobile) communications delivers crystal-clear conversation, complete caller privacy and a host of wireless data features. At Wireless '99, Omnipoint will be demonstrating various wireless data capabilities currently available to its subscribers on the 1900MHz network. GSM is used by 135 million people in 129 countries and destinations and is clearly the world's most popular wireless technology. Omnipoint customers can roam overseas in more than 40 countries including most of Europe, as well as parts of the Middle East, Africa, South America and the Pacific Rim. The international GSM Association predicts there will be approximately 250 million GSM customers worldwide by 2000. Currently, there are nearly three million GSM customers in the United States and Canada. As part of the North American GSM Alliance, Omnipoint provides domestic roaming to its customers in more than 2,500 cities in the U.S. and Canada.

Omnipoint Communications is a subsidiary of Omnipoint Corporation. Founded in 1987, the parent company is a leader in commercializing PCS. Omnipoint currently provides advanced wireless communications services in much of New York, New Jersey, Connecticut, Eastern Pennsylvania, Delaware, Massachusetts, New Hampshire, Rhode Island and Southern Florida; it intends to provide those services in additional areas. The company also develops technology and equipment for PCS and wireless local loop. The company's stock is traded on the NASDAQ National Market. Its trading symbol is OMPT.

Except for historical information contained herein, the matters discussed and the statements made in this release concerning Omnipoint's future prospects are "forward-looking statements" under the Federal securities laws that involve risks and uncertainties. There can be no assurance that future results will be achieved, and actual results could differ materially from the forecast and estimates. Important factors that could cause actual results to differ materially include, but are not limited to, Omnipoint's limited operating history, including a history of losses and the uncertainty of future operating results, dependence upon cash flow from its subsidiaries, high leverage, debt service requirements and restrictive covenants related to its outstanding Senior Notes, the emerging market for PCS service, the continued buildout of Omnipoint PCS markets, significant capital requirements, and its dependence upon key employees. Omnipoint's future results may be impacted by other risk factors listed in its Registration Statement filed on Form S-3 on June 30, 1998, and other factors listed from time to time in its SEC reports, including, but not limited to, the report on Form 10-K for the year ended December 31, 1997.

The North American GSM Alliance L.L.C. is a group of North America's leading digital wireless Personal Communication Services companies. Using Global System for Mobile (GSM) communications, Alliance companies provide superior voice clarity, unparalleled security and leading-edge wireless voice, data and fax features for customers, whether at home, away or abroad. GSM Alliance members include: Aerial Communications, Inc., Airadigm Communications, Inc.; BellSouth Mobility DCS; Conestoga Wireless Company; Cook Inlet PCS; DIGIPH PCS; Iowa Wireless Services, LP; Microcell Telecommunications Inc.; NPI Wireless; Omnipoint Communications LLC; Pacific Bell Wireless; Powertel, Inc.; TWS, Inc.; Western Total Communications; Western Wireless Corp.; and Wireless 2000 PCS. The GSM Alliance works in cooperation with North American GSM equipment manufacturers: Ericsson, Motorola, Nokia, Nortel and Siemens.

Ericsson is the leading provider in the new telecoms world, with communications solutions that combine telecom and datacom technologies with the freedom of mobility for the user. With more than 100,000 employees in 140 countries, Ericsson simplifies communications for its customers - networks operations, service providers, enterprises and consumers - the world over. Please visit Ericsson's Press Room at

Nortel Networks works with customers worldwide to design, build, and deliver telecommunications and IP-optimized networks. Customers include public and private enterprises and institutions; Internet service providers; local, long-distance, cellular and PCS communications companies, cable television carriers, and utilities.

Nortel Networks' common shares are listed on the New York, Toronto, Montreal, Vancouver, and London stock exchanges. Nortel Networks had 1998 revenues of US$ 17.6 billion and has approximately 75,000 employees worldwide. Visit the Nortel Networks' web-site at

Omnipoint: Ellen Webner Ericsson: Kathy Egan
(973) 290-2474 (212) 685-4030
GSM Alliance: Mike Houghton Nortel Networks: Paul Rubin
(703) 799-7383 (972) 685-6652

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