ORLANDO, July 21 --

- Individuals Certified in 43 Countries, Organizations Sending Employees in
Large Numbers

LONDON and PLANO, Texas, July 21 --

- A Leading Global Telecom Company Renews Outsourcing Deal

Perot Systems Corporation (NYSE: PER) (http://www.perotsystems.com) has
announced that it has been awarded a three year extension to its current IT
services agreement with the 3 Group, Hutchison Whampoa’s 3G mobile
telecoms business. The agreement further strengthens the three year-old
relationship between the two companies, building on Perot Systems’
outstanding track record of meeting its service level agreement objectives.
Financial terms of the contract were not disclosed.

BERN, Switzerland, July 21 --

- Field-proven interoperability between IntraSwitch(c) VoIP application
software and SmartNode(TM) VoIP gateways delivers convenient, cost-saving
unified communications with rapid, trouble-free deployment for large businesses.

- SmartNode(TM) VoIP... more than just talk.

Patton-Inalp Networks AG -- creator of SmartNode(TM) industry-leading VoIP
gateways-- together with Centile -- creator of IntraSwitch(c) VoIP application
software -- announced today they are working together to provide integrated
unified communications (UC) solutions for large enterprises.

LONDON, July 20 --

Northrop Grumman Corporation (NYSE: NOC) will be participating in the UV Europe
conference and exhibition where it will highlight its industry leading
capabilities in unmanned aircraft systems and unmanned ground systems, and their
effectiveness in combating piracy and irregular warfare.

Northrop Grumman has a 60-year history of providing more than 100,000 unmanned
aircraft systems to military customers in the US and around the world.

UV Europe takes place 22-23 July 2009 at the Celtic Manor Hotel, Newport, Wales
and will address military and civil unmanned systems operating in all three
environments - air, land and sea.

HSINCHU, Taiwan, R.O.C., July 21 --

- New iDRC and iLVS Data Formats Ensure Data Accuracy and Enable Extensive EDA
Support of Physical Verification Related Applications in TSMC 40nm Process

Taiwan Semiconductor Manufacturing Company, Ltd. (TWSE: 2330, NYSE: TSM) today
unveiled interoperable design rule check (iDRC) and layout-versus-schematic
(iLVS), two unified electronic design automation (EDA) data formats, for TSMC 40
nanometer (nm) process technology.

BOZEN, Italy, July 20 -- Health Robotics today announced that it has signed a
definitive agreement with Charite-Universitatsmedizin Berlin. Charite will
install an i.v.STATION robot at its Centrum 14 during the second half of 2009.

BROOMFIELD, Colorado, July 21 --

Digi-Data Corporation, a leader in the software-as-a-service industry,
announced today that the company’s subscriber base has just surpassed one
million customers.

Brought to market through telecommunications providers, Digi-Data
Corporation’s cloud storage solutions allow customers to securely store,
share, backup and remotely access digital assets from any computer with an
Internet connection.

BIRMINGHAM, England, July 21 --

- National Business Awards 2009 Regional Programme Sponsored by Orange

Over 350 business leaders and guests attended The National Business Awards
Regional Programme, sponsored by Orange, in Birmingham, Thursday 16th July, to
celebrate the success of the most innovative, ethical and successful businesses
in Wales, The Midlands and East Anglia.

ROCKVILLE, Maryland and LONDON, July 20 --

- BENLYSTA (belimumab) met its primary efficacy endpoint by achieving a
statistically significant improvement in patient response rate versus placebo in
BLISS-52 -

- First drug for lupus to reach this advanced stage of clinical development and
achieve positive results, in the largest randomized placebo-controlled clinical
trial ever completed in SLE patients -

PLEASANTON, California, July 21 --

- Vote Takes Place This Fall

Matthew Gast, chief strategist in the office of the Chief Technology Officer,
has announced on his blog
(http://blog.matthewgast.com/2009/07/20/80211n-is-almost-done/ ) that the final
vote to ratify 802.11n could take place as early as September 11, 2009. It has
taken exactly seven years to specify and approve 802.11n. Already, the 802.11
working group is already on the next step. Two task groups (TGac and TGad) are
researching and debating methods to create gigabit-capable physical layers.

About Matthew Gast