For immediate release

Dublin, Republic of Ireland – March 30, 2005 – Lismore Software Systems
(http://www.lismoresystems.com) announced today the release and immediate
availability of an updated version of Guest PC 1.2

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.

The Guest PC has a build-in Windows Setup Assistant that allows to create
your virtual computer promptly and easily and install Windows on it. Guest
PC bundled with DOS and ready to install Windows.

For more details how to use Guest PC, please visit
http://www.lismoresystems.com

What’s new in Guest PC 1.2?

The most important thing about Guest PC 1.2 is 2x performance boost on G5s
plus better support for dual-headed machines. Serial port support added. It
became possible to communicate with serial devices such as modems, PDAs and
cell phones. USB-to-Serial adapter is supported as well. Extended
peripheral devices support. This feature allows to separately select modem
and printer for every virtual computer.

Bug Fixes

– DR-DOS 7 hangs
– SLAX crash
– Some VisualBasic application crash

Enhancements

– 2x performance improvement on G5 processors
– Better stability and compatibility
– Windows Setup Assistant can use non-bootable Windows Installation CDs
– DVD disk reading support
– Better Modem support
– Serial Port support for RS-232 and USB-to-Serial adapters
– VESA VBE 2.0 support
– Manual Modem selection enabled
– Manual Printer selection enabled
– Manual Serial Port selection enabled
– Support for .vfi, .flp, .144, .ima floppy images

Availability and Pricing

Guest PC 1.2 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 1.2 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: Apple Mac OS X version 10.3 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