Plans Expansion to Meet Near-Term Growth, Long-Term Demand for Wireless 
    Internet

    DALLAS, Feb. 28 /CNW/ - Responding to continued, rapid subscriber growth
and anticipated demand for Wireless Internet services, Dobson Communications
has awarded Nortel Networks (NYSE/TSE: NT) a three-year, US$120 million
contract extension for expansion of its wireless networks in eleven states.
    Nortel Networks will supply and install analog and TDMA IS-136 digital
wireless network infrastructure equipment to expand capacity of existing
Dobson Communications networks in Maryland, Pennsylvania, New York, Ohio,
Missouri, Kansas, Oklahoma, Texas, Alaska, West Virginia and Michigan.
    "Our need for networks that are reliable and cost-effective remains
crucial as we continue to bring our customers the features and services they
need," said G. Edward Evans, president and chief operating officer, Dobson
Communications Corporation. "Nortel Networks allows us to meet both our
customer and business needs on a timely basis, while helping us to anticipate
future requirements for Wireless Internet services."
    "This continues a successful business relationship dating back to 1995,
and provides further evidence that our solutions and service are helping to
make our wireless customers successful," said John Vice, vice-president,
wireless solutions, Nortel Networks. "We expect to help Dobson Communications
continue their success as they prepare to make a new, high-performance
Internet available wirelessly to their customers."
    Dobson Communications Corporation provides rural and suburban cellular
telephone services and is headquartered in Oklahoma City, Oklahoma. Dobson's
networks are located in thirteen states and cover a total population of 5.9
million. Dobson Communications may be found on the World Wide Web at
www.dobson.net.
    Nortel Networks is a global leader in telephony, data, eBusiness, and
wireless solutions for the Internet. The Company had 1999 U.S. GAAP revenues
of US$21.3 billion and serves carrier, service provider and enterprise
customers globally. Today, Nortel Networks is creating a high-performance
Internet that is more reliable and faster than ever before. It is redefining
the economics and quality of networking and the Internet through Unified
Networks that promise a new era of collaboration, communications and commerce.
Visit us at www.nortelnetworks.com.



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For further information: Tori Van Orden, Springbok Technologies, 
(972) 480-9458, tvanorden@springbok.com; Paul Goyette, Nortel Networks
(905) 863-4702, goyette1@nortelnetworks.com
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