Mobile Communications Holdings Inc. (MCHI) announced today that The Boeing Company is to be the system integrator for design, development, construction and deployment of the Ellipso global mobile satellite communications system.

The estimated contract value for the space and ground segments,

including launch services and system operations, is more than $1.4

billion. Up to 300 Boeing employees will work on the project, which

will primarily be based in Southern California.

Boeing will be an equity partner and systems integrator

contractor with MCHI for Ellipso, which is to bring affordable fixed,

mobile and airborne voice and data telecommunications to new markets

worldwide. Ellipso will focus on telephone service, but also will

provide digital data transfer, fax, paging, voice mail, messaging and

geopositioning services.

The MCHI Ellipso constellation has a unique, patented elliptical

orbit configuration using two complementary sub-constellations

totaling 17 satellites, one of which will be an on-orbit spare. Use

of elliptical orbits requires fewer satellites and launch services,

significantly reducing costs. These distinctive orbits allow Ellipso

to maximize mobile personal communications coverage of highly

populated areas during peak daylight hours.

"Boeing leadership in the satellite industry offers tremendous

technological and project management expertise and will strongly

advance fulfillment of the Ellipso project," said David Castiel,

president and chief executive officer of MCHI. "This arrangement with

Boeing further validates the system's viability and signals the

industry enthusiasm generated by the unique Ellipso orbital

configuration bringing low-cost telephone and data service to the

world."

As a systems integrator contractor, Boeing will use its

capability as a large systems producer and integrator to achieve a

low-cost satellite-based communication system.

Boeing, as space segment prime contractor, will take advantage of

its experience with the production of the highly successful Global

Positioning System (GPS) satellites. The Ellipso space segment,

including satellites and launch services, will be managed by the

Boeing Satellite and Ground Control Systems organization located in

Seal Beach, Calif.

Besides providing the tracking telemetry and command system,

Boeing also will perform at least two launches.

"Our involvement with the Ellipso project demonstrates the

combined strengths of the new Boeing," said Jim Evatt, president of

Boeing Information & Communications Systems. "We will be an active

participant in a wide variety of satellite communications markets,

including the marketplace in which Ellipso will reside. It is

extremely important to our future."

The Ellipso system, designed by Mobile Communications Holdings

Inc. (MCHI), is a global, mobile satellite-based communications system

utilizing unique elliptical orbits to provide low-cost, high-quality

mobile and fixed telephone and data services.

Patented Elliptical Orbits

Ellipso, a licensed Big LEO (low earth orbit) satellite system,

uses a unique elliptical configuration that tailors satellite coverage

to match population distribution. Ellipso also offers greater

capacity during daylight hours with sun-synchronous orbits that can

be adjusted to the time of day.

Orbital Configuration Dramatically Reduces Capital Requirements

The elliptical architecture of Ellipso's system dramatically

reduces the level of capital required for the system and therefore

reduces consumer per-minute cost. Due to its unique configuration,

the Ellipso system:

— Minimizes the number of satellites needed to serve markets by

focusing specifically on areas of greatest market demand.

— Achieves global coverage with just 14 satellites and can be revenue

generating with only six satellites in orbit.

— Requires only 17 satellites (including spares) to complete its

entire constellation, reducing total system costs by two to four times

that of competitors.

— Integrates the spare satellites into the operational orbits,

allowing their capacity to be fully utilized by the system.

Unique Orbits Drive Strategy for Market Entry

Due to its efficient design and thus low per-minute cost, the

Ellipso system is strategically positioned to meet the needs of

developing countries, small businesses, and "middle market" users

worldwide. The system is particularly well suited for rural

communities seeking to expand or initiate telecommunications without

the installation of a cost-prohibitive traditional infrastructure.

Ellipso sees its greatest market opportunity in developing

countries that are poorly served by existing telecom networks or

presently lack an established telecommunications infrastructure

altogether. With the help of satellite-based communications, the total

market for worldwide subscriber terminals is estimated to reach 42

million by 2006 (12.8 million fixed and 29.2 million mobile).

Partners Facilitate Market Entry

Ellipso is committed to building relationships with regional

operators to facilitate effective distribution and marketing of

services worldwide. Currently, Ellipso has partnerships with:

Vula Communications of South Africa: Sub-Saharan Africa & Spectrum

Network Systems Ltd.: Australia, Indonesia, New Zealand, Papua New

Guinea.

Ellipso

Boeing