30, 2005. On April 30, 2003, then-U. In addition, UC has 358 members in the National Academy of Sciences , and
UC affiliated researchers have received 48 Medals of Science since Congress
created the award in 1959. UC manages three national laboratories on behalf of
the Department of Energy. Today, Lawrence Livermore and Los Alamos national
laboratories each employ more then 8,000 UC staff and have combined annual
budgets exceeding $3.synchrotron.

accelerator synchrotronstrahlung

CVD diamond opens up
many new application areas outside the traditional abrasive uses of synthetic
diamond.

BACKGROUND ON THE COMPETITION PROCESS
Los Alamos National Laboratory -- The contract to manage LANL expires
Sept.

UNIVERSITY OF CALIFORNIA
The University of California, chartered in 1868, is a system of 10
campuses with a mission of teaching, research and public service. BNI is also a partner in management of NNSA 's Y-12 National
Security Complex in Tennessee and the Pantex Plant in Texas, as well as the
Savannah River Site in South Carolina. Department of Energy and its
predecessor agencies since the Manhattan Project, Washington Group is a leader
in providing safe, disciplined operations, risk management and comprehensive
environmental services for its customers. RedHawk achieves real-time performance by
replacing the Red Hat kernel with a multithreaded, fully-preemptable
kernel with low-latency enhancements. We undertake no obligation to
publicly update or revise any forward-looking statement , whether as a
result of future events, new information, or otherwise.ccur.

dubna argonne

Element Six has pioneered the
development of CVD diamond technology since the 1980s, with a world-renowned
research centre at Ascot dedicated to this activity., The University of California and a
Bechtel-led industrial team announced an historic agreement today (Wednesday)
to prepare for the Department of Energy competition to manage the Los Alamos
National Laboratory in New Mexico. On Dec. With 208,000
undergraduate and graduate students, UC is the world's premier public
university.S.
BNI's national security work includes managing and operating the Nevada
Test Site and its affiliated facilities for the National Nuclear Security
Administration. Its long history of successful DOE
operations continues today with: management and operation contracts at the
Savannah River Site, the Waste Isolation Pilot Plant , the West Valley
Demonstration Project and its partnership in the Battelle Energy Alliance for
operation of the Idaho National Laboratory.
Concurrent's RedHawk real-time Linux operating system is a key
component to the solution. Its proven technology is based on open standards and
provides a flexible , comprehensive and robust solution for HFC, DSL,
and IP-based networks. Readers can also access
information through the company's Web site at www.

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We believe that this product will
stimulate awareness of diamond as a new engineering material and we are
committed to making this the first of many new electronic products. A
final RFP is expected in the near future.
For more news and information about Bechtel National, Inc. (BWXT), headquartered in Lynchburg, VA, is the
nation's premier manager of complex, high-consequence nuclear and national
security operations."
The Australian Synchrotron is scheduled to open in 2007. For
more information, go to www.vic.

elettra brookhaven

University of California and Bechtel Announce Agreement to Prepare for Los Alamos National Laboratory Competition

intelligence and defense
efforts, developing new technologies to fight terrorism, monitoring the
consequences of terrorist acts, designing emergency response programs, and
training both military and civilian responders nationwide. A supplier of nuclear products and
services to the U.com/
BWXT Public Relations: 1-434-522-5076 / 1-434-522-5158.S.wgint.2 million to the project. When used or incorporated by reference
in this release, the words "believes," "expects," "estimates,"
"anticipates," and similar expressions are intended to identify
forward-looking statements.

A cyclotron in which the electric field is maintained at a constant frequency .

argonne synchrotrons

"This new management team builds on the
strengths of each organization and applies them to the important national
security work at the lab."
In late March, UC announced it would also partner with a consortium of New
Mexico institutions to form the Advanced Studies Institute at Los Alamos
National Laboratory. Call toll free in the U.

synchrotrons daresbury

WASHINGTON GROUP INTERNATIONAL
Washington Group International, with headquarters in Boise , ID, provides
the talent, innovation, and proven performance to deliver integrated
engineering , construction, and management solutions for businesses and
governments worldwide.

synchrotronstrahlung microfabrication

High Frequency Diamond Transistor Announced by Element Six

We are
convinced this will result in significant new advanced electronic products,
of which the MESFET is only the first.
"This agreement brings together the expertise of the largest public
research institution in the world with a seasoned team of contractors , led by
Bechtel, to put in place a strong management and operations team that will
ensure the continued excellence of the laboratory's scientific mission," said
UC President Robert C. These institutions include the University of New Mexico,
New Mexico State University and New Mexico Institute for Mining and
Technology.
While UC continues to prepare for the competition, the university's final
decision regarding participation will be made by the UC Board of Regents
following the release of the final request for proposals.universityofcalifornia.
For more news and information about BWX Technologies, Inc.: http://www.

Major Projects Victoria Selects Concurrent's iHawk-Based Control Systems for The Australian Synchrotron Project

A synchrotron is a powerful machine (about the size of a football
field), which uses beams of light a million times brighter than
sunlight to probe the physical structure of materials down to the
level of atoms and molecules.
After an extensive review and selection process, Concurrent was
chosen as the preferred supplier due to the company 's ability to fully
comply with all aspects of the strict commercial requirements and
detailed technical specification, while meeting the budgetary
requirements, as a condition of the evaluation criteria.au

About Concurrent

Since 1966, Concurrent (www. Concurrent has nearly four decades of
experience in high-performance, on-demand, mission-critical solutions
and provides its best of breed solutions through offices in North
America, Europe, Asia, and Australia.

anka thereof

of Electron Devices and Circuits on diamond devices has started as
early as 1990 and has lead to many new device concepts including the
demonstration of world record device performances in proof of concept
experiments .
Together, the UC-Bechtel led team will combine unparalleled scientific
achievement with efficient business management, while ensuring safe, secure
and effective nuclear facilities operations. Dynes .
For more news and information about Washington Group International:
http://www.com

Synchrotrons are essential tools for
research and development in many industries, including: biotechnology
and drug design; advanced manufacturing; and medical research and
diagnosis; as well as meeting requirements for the Australian Defence
Force to extend the life of engine components and provide improved
ceramic coatings in military jet engines.
"Deterministic response time and high precision control is pivotal
to the operation of the Australian synchrotron," said Richard
Farnsworth , Lead Control Systems Engineer for the ASP.S.

accelerators parameters

E6 has now demonstrated that there is an opportunity for
diamond technology to "leap-frog" over GaN and SiC solid-state devices by
fabricating high performance single crystal CVD diamond transistors., and Washington Group International, brings a
best-in-class business management and industrial operations lineup to Los
Alamos National Laboratory (LANL). Going forward, this partnership
will provide Los Alamos National Laboratory with strong management that
delivers superb quality, accountability and dedication, demonstrated by
experience, to both management and scientific operations. This partnership
allows strong management to be in place, ensuring that critical science and
technology remains the underpinning of the laboratory's mission. Forty-nine researchers affiliated with
UC have been awarded Nobel Prizes; 16 of the Nobel Prizes have been won since
1995.
The national laboratories are major sources of scientific and technical
strength for the nation in fields ranging from national security, to basic
physics, biotechnology, climate studies, computer development, materials
science, energy, and the environment. Privately owned, with headquarters in San Francisco,
the company has 40,000 employees working in 50 countries. Concurrent has successfully ported the
EPICS IOC software to make use of RedHawk's facilities, which has
improved the performance of the core EPICS components.
Concurrent is also a recognized leader in the digital cable market,
with video-on-demand systems deployed worldwide by major broadband
operators. and Canada at
(877) 978-7363, fax (678) 258-4199.

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The rf power handling capability of solid-state devices using current
semiconducting materials, such as silicon and gallium arsenide is limited by
the properties of the materials. The growth of diamond of the
highest crystalline quality has had to be combined with the application of
nano-technology to precisely deposit electronic structures only a few atomic
layers thick."
In a joint statement, BWXT President and COO John Fees and President of
Washington Group Energy and Environment Preston Rahe said, "As we improve
operations -- including safeguards and security, nuclear operations, and
environment, safety, and health -- we believe the university will be able to
take the science and technology, as well as national security programs at the
laboratory to the next level of performance. Responsible for the operations of the Pantex Plant in
Texas and Y-12 National Security Complex in Tennessee, along with nuclear
operations at the Idaho National Laboratory, BWXT has a long history in
nuclear manufacturing and operations , both in the Department of Energy (DOE)
and at its unique, highly secure, privately owned and operated nuclear
manufacturing and laboratory facilities. The risks and uncertainties which could affect our
financial condition or results of operations include, without
limitation: our ability to keep our customers satisfied; availability
of video-on-demand content; delays or cancellations of customer
orders; changes in product demand; economic conditions; various
inventory risks due to changes in market conditions; uncertainties
relating to the development and ownership of intellectual property;
uncertainties relating to our ability and the ability of other
companies to enforce their intellectual property rights; the pricing
and availability of equipment, materials and inventories; the
concentration of our customers; failure to effectively manage change;
delays in testing and introductions of new products; rapid technology
changes; system errors or failures; reliance on a limited number of
suppliers; uncertainties associated with international business
activities, including foreign regulations, trade controls, taxes, and
currency fluctuations; the highly competitive environment in which we
operate and predatory pricing pressures; failure to effectively
service the installed base; the entry of new well-capitalized
competitors into our markets; the success of new products in both the
VOD and ISD divisions; the availability of Linux software in light of
issues raised by SCO Group; capital spending patterns by a limited
customer base; and obligations that could impact revenue recognition .com
Concurrent Computer Corporation, its logo, iHawk, and RedHawk are
registered and unregistered trademarks of Concurrent Computer
Corporation.

microworlds synchrotrons

The draft RFP was amended on Feb. For more news and information about the University of California:
http://www.edu

BECHTEL
Bechtel is a global engineering, construction and project management
company with more than a century of experience mastering complex projects in
challenging locations. iHawk, powered by Concurrent's
RedHawk (TM) real-time Linux(R), was selected for its highly
deterministic response and high performance capabilities to respond to
ASP's data acquisition and I/O control (IOC) system requirements.
These high performance and distributed IOCs will provide the
foundation control system for the synchrotron light beam storage ring. Concurrent's
Special Systems Group was able to meet the exact technical
requirements using industry best-in-class, commercial off-the-shelf
(COTS) hardware, complemented by enhanced Linux drivers for all
proposed I/O boards, to ensure reliable real-time performance. RedHawk Linux, compatible with the popular Red Hat(R) Linux
distribution, provides high I/O throughput, guaranteed fast response
to external events, and optimized interprocess communication.

dubna thereof

Diamond, with its
extreme physical properties, is now entering the world of high frequency
electronics, making real the possibility of replacing high-power vacuum tube
devices with solid-state diamond components. As premier managers of complex, high-consequence
nuclear and national security operations, BWXT and Washington Group will
ensure safe and secure, effective and efficient nuclear facilities operations. RedHawk's true symmetric
multiprocessing support includes load-balancing and CPU shielding to
maximize determinism and real-time performance in mission-critical
solutions.

Certain statements made or incorporated by reference in this
release may constitute "forward-looking statements" within the meaning
of the federal securities laws.

parameters villigen

It is only by mastering this demanding technology that we have
been able to release the huge potential of diamond as an electronic material"
Element Six's Managing Director, Christian Hultner, said, "Making this
MESFET is exciting proof that the dawn of diamond electronics has arrived and
that our considerable investment in this area is paying dividends.
"Through this new management structure, Bechtel National, with its
substantial experience throughout the DOE and NNSA complex, will implement the
necessary changes, policies and procedures to support world-class science at
LANL," Bechtel National President Thomas Hash said.
Note to Editors: For additional company or product information
from Concurrent, please contact Concurrent, 4375 River Green Parkway,
Suite 100, Duluth, GA 30096.

sls dubna

The intrinsic theoretical
performance of diamond, coupled with this latest device, suggest that diamond
could capture the entire rf device market for frequencies between 10 and 100
GHz, with devices capable of producing over 100 Watts at X-band frequencies . High power devices, as required for a range
of advanced applications including satellite communications , telecoms base
stations and compact, high resolution phased-array radars, need materials
such as GaN, SiC and diamond. Uses of CVD diamond include laser exit windows, cutting tools,
surgical blades, windows for high-power gyrotrons, heat-spreaders for
electronic devices as well as active electronic devices. Secretary of Energy Spencer
Abraham announced that the DOE would compete the management and operations
contract for Los Alamos National Laboratory. Additionally, BNI
has broad capabilities and extensive experience in the management of complex,
multisite, environmental programs , including environmental cleanup projects at
several DOE sites in the United States.
The main application control software specified by the ASP is the
Experimental Physics and Industrial Control System (EPICS), which is
an open-source set of software tools, libraries and applications
developed collaboratively by scientific organizations around the world
and used to create distributed real -time control systems for
scientific instruments such as particle accelerators, telescopes and
other large scientific equipment. The
Victorian Government has committed $157. All other product names are trademarks or registered
trademarks of their respective owners.

scherrer radiation

Element Six's Research Manager, Steve Coe, said "Development of these
devices has presented huge technical challenges.

The laboratories contribute to the
country's economic competitiveness through research partnerships with industry
and engage in math and science education for students and teachers at all
levels .:
http://www.
BWX Technologies, Inc. "Concurrent's
commitment to high performance, mission -critical solutions is
evidenced by the company's history of real-time application successes,
and its RedHawk Linux platform clearly demonstrated the ability to
meet and exceed the strict technical standards required by the
operation. All
forward-looking statements are subject to certain risks and
uncertainties that could cause actual events to differ materially from
those projected.

villigen gev

1 , 2004, the DOE's
National Nuclear Security Administration released the draft request for
proposals (RFP). 18 and April 5, 2005. UC has five medical schools, three law schools, and the nation's
largest continuing education program.
The university was recently awarded a five-year contract from DOE to continue
management of Lawrence Berkeley National Laboratory. BNI's portfolio also includes over 15 years of government
laboratory management and support experience.Bechtel.bwxt. The Australian synchrotron
will act as an essential new tool for groundbreaking scientific and
industrial research .

radiation accelerators

"
About Element Six
Element Six is the world leader in the production of all forms of
synthetic diamond for industrial use. Research in
the Dept. "Operations run in a safe
and secure manner will ensure that the premier science and technology that has
come from this lab for the past 60 years will continue.
"Concurrent's RedHawk Linux delivers deterministic response time that
customers around the globe trust and depend on, and we are proud that
Major Projects Victoria has chosen Concurrent to play a key role in
this milestone science infrastructure project.

About The Australian Synchrotron Project

The State Government of Victoria in Australia has taken the
initiative to construct Australia's first Synchrotron Project, located
at Clayton, Melbourne. Major Projects Victoria
has been tasked by the Secretary of the Department of Infrastructure
(DOI) under the provisions of the Project Development and Construction
Management Act 1994, to build the Synchrotron on behalf of the
Department of Innovation, Industry and Regional Development.gov.com), headquartered in Duluth,
Georgia, has been a premier provider of solutions that fulfill
real-time expectations for commercial and government markets. 7, 2004 and may
be discussed in subsequent filings with the SEC.

microworlds gev

The University of Ulm
The Engineering Faculty of Ulm and its Microelectronics Technology Center
was established in 1989 with one of the focal points being research and
development of advanced high speed devices and materials for electronic and
photonic applications based on GaAs , InP, SiGe, GaN and diamond.
With a proven track record of excellence in science and technology , the
University of California (UC) has 60 years of experience in leading the
nation's nuclear weapons research and development programs.S.

Business Editors

ATLANTA----

Concurrent's iHawk(TM) Powered by RedHawk(TM) Real-Time
Linux(R) Delivers the Guaranteed Response for Time-Sensitive,
Mission-Critical, Data Acquisition and Control Application

Concurrent Computer Corporation (NASDAQ: CCUR), a leading provider
of integrated computer solutions for mission-critical applications,
today announced that its Australian subsidiary has delivered the first
of multiple iHawk(TM) systems to Major Projects Victoria for the
Australian Synchrotron Project (ASP). The
company's high performance computing solutions and software are
utilized in strategic market areas that include hardware-in-the-loop
and man-in-the-loop simulation, process control, and data acquisition.

radiation photon

ASCOT, England, Element Six (E6) announces
that in collaboration with the University of Ulm in Germany it has produced
preliminary microwave devices (MESFET transistors ) using synthetic single
crystal diamond made by chemical vapour deposition (CVD). Bechtel National ,
joined by BWX Technologies Inc. The agreement with these institutions solidifies the role of New
Mexico universities as part of a bid to compete for the LANL contract. The deadline for submission of bids
is expected to be 90 days after the release of the final RFP. is supporting national security and U.com

BWX TECHNOLOGIES, INC. Washington Group also is involved
in closure contracts at the Weldon Spring Remedial Action Project, Miamisburg
Closure Project, Rocky Flats Environmental Technology Site and the recently
awarded Hanford River Closure and Idaho Cleanup Project, as well as technical
support and consulting projects at Los Alamos, Lawrence Livermore and Sandia
national laboratories, DOE's Hanford Site, Pantex Plant and Oak Ridge complex." said Warren Neuburger, Concurrent Chief Operating Officer.

Concurrent's RedHawk Real-Time Linux

Concurrent's RedHawk Linux is an industry-standard,
POSIX-compliant, real-time version of the open source Linux operating
system .
Other important risk factors are discussed in our Form 10-K filed
with the Securities and Exchange Commission on Sept.

desy sls

"The university recognized it needed to make major changes in how it
manages LANL, and bringing in industrial partners with the skill sets of
Bechtel National, Washington Group , and BWXT will accomplish this," Dynes
added. Bechtel National,
Inc."
"The Australian synchrotron project represents enormous potential
for innovative advancements in biotechnology, pharmaceuticals ,
environmental sciences and advanced manufacturing for researchers and
the creation of a leading national science facility in Melbourne,
Victoria. The synchrotron will have a 25-year operational
life and is scheduled to open in March 2007. The risk factors
discussed in such Form 10-K under the heading "Risk Factors" are
specifically incorporated by reference in this press release.

brookhaven scherrer

Here diamond has by far the best material
characteristics.
Bechtel National provides world-class program and project management,
facilities management, safety and environmental management, and robust
government business systems.
RedHawk Linux user-level commands, utilities and system administration
are standard Red Hat.

argonne synchrotronstrahlung

A contractor for the U. RedHawk
is an ideal Linux environment for the complex real-time applications
found in simulation, data acquisition, and industrial systems control. Our
forward-looking statements are based on current expectations and speak
only as of the date of such statements.

daresbury sls

8 billion, while Lawrence Berkeley National Laboratory
has approximately 4,000 employees and an annual budget of nearly $500 million.S.

brookhaven scherrer

OAKLAND, Calif. According to
DOE, a source evaluation board made up of DOE technical and business experts
will review the proposals submitted and provide recommendations to the source
selection official. Among its Department of Defense
contracts, BNI manages the Kwajalein missile range and supports non-
proliferation efforts in the former Soviet Union for the Defense Threat
Reduction Agency. government and commercial clients for over 50 years , BWXT
has unparalleled experience in nuclear safeguards and security and has been
recognized as a model by the DOE. With more than 11,000 employees nationwide,
BWXT manages complex, high-consequence nuclear and national security
production facilities and is a principal supplier of nuclear components and
advanced energy products, delivering both value and customer confidence.
Concurrent will also provide custom EPICS drivers and support for all
I/O.ccur. Statements regarding future events and
developments and our future performance, as well as our expectations,
beliefs, plans, estimates , or projections relating to the future, are
forward-looking statements within the meaning of these laws.

sls gev

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