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VITEX SYSTEMS SIGNS LICENSING AGREEMENT WITH MICROEMISSIVE DISPLAY FOR ITS BARIX™
THIN-FILM ENCAPSULATION TECHNOLOGY

New Licensing Model Continues to Gain Traction

SAN JOSE, Calif., May. 30, 2007
– Vitex Systems, Inc., a leading technology developer, licensor and
engineering service provider for thin-film encapsulation and moisture barrier films, today announced that it has
signed a license and material supply agreement with MicroEmissive Displays Group plc (AIM: MED) of the United
Kingdom. MED is the world leader in designing and manufacturing low-power, light-emitting polymer displays.
The license gives MED the non-exclusive rights to use Vitex’s proprietary Barix™ thin-film encapsulation
technology on MED’s next-generation microdisplays.

Today’s announcement is the latest example of Vitex’s success in executing its new licensing business model,
which it established in early 2006. Commenting on this agreement with MED, Chyi-Shan Suen, director of sales
and marketing for Vitex, said, “This is another significant milestone for Vitex. MED will be one of the first
companies to apply Vitex’s proprietary Barix™ thin-film encapsulation technology in mass production. Top
emission microdisplays on silicon are extremely difficult to encapsulate since the encapsulation must be highly
uniform and transparent with extremely narrow-edge sealing spaces—all at very high yields. MED’s use of our
Barix technology demonstrates that Vitex’s thin-film solution can satisfy the most demanding encapsulation
applications.”

John McEachran, director of operations of MED, said, “This agreement represents a major step forward for MED,
as the introduction of Barix™ into our manufacturing process will result in significant improvements to the
quality and reliability of our next-generation displays.”

MED’s full-color P-OLED microdisplay products combine high-quality still and moving images with extremely-low-
power consumption and ease-of-electronic integration—making them particularly suitable for portable and
personal battery-powered consumer products such as digital still cameras, video cameras and wearable displays.
The eyescreen™ provides a complete digital microdisplay solution with a high level of electronic and optical
integration, and offers a superior image quality coupled with ultra-low-power consumption. The emissive
polymer organic light emitting diode (P-OLED) technology, which requires no backlight components, together
with the integrated display driver electronics and digital video interface, allows straightforward glue-less
integration into a wide range of systems and enables product designers to develop smaller and lighter weight
products. The eyescreen is ideal for: electronic viewfinders (EVF) for digital cameras, video cameras and night
scopes; head-mounted displays (HMD) for personal media players; portable gaming consoles; and digital
video/TV broadcasting on mobile phones.

Vitex’s proprietary Barix™ thin-film encapsulation is an ultra-high barrier suitable for encapsulating OLED
displays and devices that are sensitive to moisture and oxygen, such as organic and inorganic photovoltaics,
organic solid state lighting and thin-film batteries. The Barix™ thin-film barrier is coated directly onto the device
surface. As a result, electronic devices utilizing the Barix™ encapsulation can eliminate costly and bulky
mechanical encapsulation, enabling them to be made up to 50 percent thinner and lighter. When Barix™ is
combined with Flexible Glass, weight and thickness can be reduced up to 90 percent.

About MicroEmissive Displays Group plc.
MicroEmissive Displays Group plc, headquartered in Edinburgh, UK, is the world’s leading developer of polymer
organic light emitting diode (P-OLED) based microdisplays. MED’s full-color microdisplay products combine high
quality still and moving images with extremely low power consumption and ease of electronic integration making
them particularly suitable for portable and personal battery-powered consumer products such as digital still
cameras, video cameras and wearable displays. For more information on MED, visit www.microemissive.com

About Vitex Systems
Vitex Systems, Inc., headquartered in San Jose, Calif., licenses a proprietary encapsulation solution, Barix™, as
well as deposition systems and next-generation flexible barrier substrates, that enable the cost-effective
production of organic light-emitting diode (OLED) displays that are lighter and thinner than any other
commercially available displays. Vitex's technology can also be used to address a wide array of photovoltaic and
optoelectronic applications. The company was incubated at Battelle, the world's largest independent private non-
profit research foundation, and was spun off as an independent company.
For more information on Vitex Systems, visit www.vitexsys.com.

Contacts:
Chyi-Shan Suen
Vitex Systems, Inc.
Phone: 408.325.0366
Fax: 408.519.4470
Email: csuen@vitexsys.com

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Vitex Signs License