Monte Carlo, France - June 6, 2001 - Parthus Technologies
(Nasdaq: PRTH, LSE: PRH), a leading developer of platform-level
intellectual property (IP), and STMicroelectronics (NYSE: STM) announced
ultra-high performance levels at the first live demonstration of the
co-developed single-chip "Rainbow" Bluetooth™ radio at the Bluetooth
Congress.

The demonstration at the STMicroelectronics stand includes the Parthus
BlueStream baseband and protocol stack running a chat and browsing
applications over a radio link between the co-developed Bluetooth radio
device and a third party radio. The demonstration highlights the
interoperability and the excellent performance characteristics of the
co-developed Bluetooth radio, first announced in April this year.

"By demonstrating our Rainbow Bluetooth radio in a live environment we
can highlight the characteristics that make this such an important
breakthrough for the wireless connectivity market," said Marie-Hélène
Sibille, general manager of ST's Wireless Communication Division. "The
combination of low power and very high transmission robustness will make
the Rainbow radio the most obvious choice for mass deployment of Bluetooth
product and services."

Exploiting STM's 0.35um SiGe BiCMOS process, the Rainbow ST/Parthus
radio is optimized for highly demanding applications, such as mobile
phones or printers requiring longer transmit/receive distances, but with
low power consumption and low bit error rates (BER). The radio combines
very high sensitivity rates of between -81dBm at a BER of 1e-3, the
Bluetooth specification, to 78dBm at BER of 1e-6, delivering sensitivity
levels above the Bluetooth specification. The ST/Parthus radio is the only
radio that is fully specified at BER of 1e-6, which delivers a throughput
performance of only one error in every million of data bits transmitted
versus one error in a thousand data bits for current specification
Bluetooth radios. Achieving a BER of 1e-6 is critical to robust,
uninterrupted Bluetooth communications making the radio ideal for highly
challenging data environments where either maximum throughput (e.g.
printer, laptop or encrypted m-commerce transactions) or long distances
(e.g. WLAN or cordless phone) are required. Moreover, this highly robust
radio delivers industry highest levels of sensitivity and performance at
low power requirement (35mA in transmit and 35mA in receive).

The ST/Parthus radio incorporates additional key features including

An integrated VCO and tank, reducing the number of required
external components and thereby reducing the cost of deployment.

A fast settling fractional-N frequency synthesizer.

Ability to combine with an external power amplifier in Class 1
Bluetooth radio operations enabling a range of 100 meters.

In
addition the SiGe radio fully supports with the BlueRF baseband
interface standard, in both unidirectional and bi-directional mode, thus
easing interoperability with any baseband device compatible with the
BlueRF interface.

"We are extremely pleased that ST has decided to demonstrate the
co-developed radio chip at such an important event," said Kevin Fielding,
president of Parthus. "The interoperability and the performance metrics of
the radio chip are now demonstrable and lay the foundations for mass
adoption of the Bluetooth standard. I am also delighted that such a high
performing radio could be demonstrated live in such a short timeframe
which can be attributed to a combination of ST's silicon germanium
technology and advanced design methodology based on the use of the latest
system modeling and simulation tools."

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A PDF copy of this press release is also available here

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This document may contain "forward looking
statements" within the meaning of Section 27A of the Securities Act of
1933, as amended, and Section 21E of the Securities Exchange Act of 1934,
as amended. Any "forward looking statements" in this document are subject
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results to differ from those indicated by such forward-looking statements
include uncertainties relating to the acceptance of semiconductor
intellectual property offerings, expansion of our business, quarterly
variations in results, and other uncertainties that are discussed in the
"Risk Factors" section of our prospectus dated November 8, 2000, which is
on file with the SEC and the Registrar of Companies in the Republic of
Ireland.

The Bluetooth trademarks are owned by
Bluetooth™ SIG, Inc., U.S.A.