For immediate release

Dublin, Republic of Ireland — Jun 30, 2005 — Lismore Software Systems
(http://www.lismoresystems.com) announced today the release and immediate
availability of an updated version of Guest PC 1.5

What is Guest PC?

Guest PC is a Mac OS X application that allows you to easily create and
manage virtual x86 computer on your Mac. You can install Windows operating
system and access applications available only for Windows compatible
computers.

What’s new in Guest PC 1.5?

Networking improvements are the major features of this update. File
exchange speed between Mac and Guest OS increased up to 20 times. Overall
networking speed is increased. Guest PC 1.5 fixes AirPort Express/Extreme
Base Station DHCP addressing problem what prevents Windows from accessing
the network.

Bug Fixes

– Incorrect additional virtual hard drives handling
– DHCP addressing with AirPort Extreme/Express Base Station
– Inability to install Windows 98/Me Update
– Windows 98 crash while installation
– BeOS 5 crash after installation
– Incorrect GRUB CD boot up
– Minor BIOS changes

Enhancements

– Windows installation up to 30% faster
– Improved overall networking speed
– Improved file transfer speed up to 20 times between Guest OS and Mac
– Improved sound output in Windows ME/2000/XP
– Better stability and compatibility

Availability and Pricing

Guest PC 1.5 is available immediately from our online store –
http://www.lismoresystems.com at US$69.99
The price includes Family License and free support. Family License allows
you to install Guest PC on all computers in your family.

All current customers get a new Guest PC 1.5 version at no charge.

For all registered users of any previous Blue Label PowerEmulator version,
Guest PC is available at US$34.99

System requirements

Hardware: Apple Macintosh with PowerPC G3, G4 or G5 processor
Operating system: Mac OS X 10.3 or later or Mac OS X 10.4 or later
Free Hard Disk Space: 2 GB or more
RAM: 256 MB or more
Display: 1024 x 768 color display
Storage: CD or DVD drive
Peripherals: Keyboard, Mouse or compatible pointing device

About Lismore Software Systems

Lismore Software Systems, Ltd. was founded in 1996. The first product was
the Blue Label Power Emulator which emulates an x86 computer on classic Mac
OS. Blue Label Power Emulator was rewritten for Mac OS X and now is called
Guest PC.

To learn more about Guest PC, please visit Lismore Software Systems web
site at http://www.lismoresystems.com