STEREOSCOPIC VIDEO SETS NEW STANDARD FOR CORPORATE PRESENTATIONS

The IRIDIUM satellite project gets in-depth, virtual realism from Three
Dimensional Imagination using StereoGraphics CrystalEyes 3D technologies

San Rafael, CA -- July 25, 1994 -- A new corporate video created on behalf
of Iridium, Inc.'s proposed IRIDIUM satellite network has proven as
pioneering as the project itself. The video was produced in true
stereoscopic 3D by Three Dimensional Imagination, Inc. (3DI), a marketing
and film production company with offices in Los Angeles, CA and
Gothenburg, Sweden, using equipment from StereoGraphics Corp., the world's
largest supplier of three-dimensional electronic stereo display products.

At the video's April premia at Africa Telecom in Cairo, Egypt, about half
of the show's 10,000 attendees viewed the presentation in two 20-person
theaters using StereoGraphics' CrystalEyes VideoSystem. 'Viewers were
fascinated," said Katherine Stormont, of Iridium, Inc. "The realism of 3D
takes the presentation far past the realm of ordinary corporate media.
This treatment truly reflects the progressive nature of our satellite
communications system.'

The presentation will now travel the globe, helping to garner investor
support for the $3.4 billion satellite communications project, which will
provide subscribers with a universal telephone number that can reach them
anywhere in the world.

"Our client was looking for a way to gather the right audience and tell
their story in a dramatic new way in an era where even Star Wars no longer
raises eyebrows," said Tom White, president of 3DI. "Our responsibility is
to help our clients realize their goals and objectives. We are helping to
pioneer the use of 'multi-sensory environments,' and we believe that
stereoscopic imagery is an outstanding vehicle for delivering realism,
clarity, and impact."

3DI has developed a unique combination of corporate marketing strategy,
Hollywood production techniques, and special effects environments to
attract and hold an audience's attention. "Stereoscopic 3D is especially
effective in a trade show venue where the audience's time and attention
are premium commodities, and you need to tell a technical story very
quickly," White said. "The same story that might have taken five minutes
to convey using traditional media can now be done in two minutes because
the visual effects are so startling and communicate so clearly."

The video's storyline follows Jay, a globe-trotting businessman who never
misses a call even though he moves from Prague to Los Angeles, to South
America, China and Africa. Along the way, Jay receives vital calls and
faxes from people back home, each of whom dials the same number to reach
him. The video uses stereoscopic computer-generated images to show how the
calls would be routed through the IRIDIUM satellite network.

The stereoscopic images make actors, locations, and graphics in the video
look as realistic as if the screen surface had dissolved. "Our aim was to
take the viewer on a believable trip to these distant locations," White
said. "This leap into the world of imagination happens much quicker in a
3D medium than it does with conventional media. Rather than taking a few
minutes for the story to kick in, the virtual realism makes it happen
instantaneously."

Stereo images on conventional tape. 3DI shot the live action video using a
proprietary production system that included two synchronized Sony DXC-930
video cameras and an off-the-shelf design package. The final presentation
is stored on commercial grade Beta video tape, but could also be written
to laser discs or other digital media. Viewers wear StereoGraphics'
lightweight, wireless CrystalEyes eyewear and view the presentation on a
stereo ready, 37-inch Mitsubishi monitor.

The Iridium production makes use of StereoGraphics' CrystalEyes VideoSystem
technology developed by StereoGraphics and used in such diverse
applications as medical, engineering, virtual reality, and aerospace. The
system simulates the way human beings view their everyday surroundings.
Ordinarily, each eye takes in the world from a slightly different
perspective. The brain then fuses these images into a single image that
has depth in a process known as "stereopsis."

To replicate this effect on a video monitor, CrystalEyes incorporates
liquid crystal shutters that turn opaque, transparent, and opaque again in
rapid succession. Hence, when the left image is displayed for a fraction
of a second on the monitor, the left lens opens up as the right lens
closes, thereby directing the image to the left eye. A similar sequence
occurs with the right hand image and the combination results in a
full-color, stereoscopic image.

Three Dimensional Imagination has more than 20 years experience developing
multi-sensory environments for Fortune 500 companies. The firm's film on
launching Motorola's Microtech Flip Phone won the gold medal at the New
York International Film Festival for the best consumer electronics
promotion of 1992. Its trade display, on behalf of Lockheed, Boeing and
General Dynamics, helped win the $60 billion contract for the F22 fighter
jet. On behalf of Phillips, the firm produced the first live 3D
holographic rock concert to tour Europe.

Iridium, Inc. is developing the IRIDIUM System, a constellation of 66
satellites in low earth orbit that will be electronically interconnected
to provide continuous worldwide coverage. The system is being financed by
a private international consortium of telecommunications and industrial
companies, and is expected to become operational in 1998. Development
partners and subcontractors include Motorola's Satellite Communications
Division, Lockheed Corporation, Raytheon Corporation and McDonnell Douglas
Corporation.

StereoGraphics Corp., founded in 1980, invented and developed the market
for modern stereo imaging hardware. Due to its capability, reasonable
price and state-of-the-art technology backed by 14 patents, CrystalEyes
systems are accepted as the industry standard for stereo viewing.
StereoGraphics is located at 2171 East Francisco Boulevard, San Rafael,
California 94901, phone 415/459-4500, fax 415/459-3020, email
stereo@well.sf.ca.us.

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