SMITH MICRO SOFTWARE'S CONSUMER GROUP RELEASES INTERNET CLEANUP 5 FOR THE MAC

Internet Cleanup 5.0 Provides Greater Protection From The Latest Internet
Threats And Enhanced Privacy Protection

ALISO VIEJO, Calif. - February 6, 2008 - Smith Micro Software, Inc.
(NASDAQ: SMSI) Consumer Group today announced the release of Internet
Cleanup 5.0 for the Mac, the newest version of its popular privacy
protection software. In addition to existing features such as SpyAlert and
NetBlockade, Internet Cleanup 5 now boasts Device Sentry, a new solution
that stops pod-slurping and other forms of data theft by preventing thieves
from mounting iPods, thumb drives, or other external USB or Firewire
devices to a machine without authorization, as well as a revised interface
designed for ease-of-use and full compatibility with Mac OS 10.5 Leopard.
For more information about Internet Cleanup 5.0, please visit
http://www.smithmicro.com/mac/cleanup.

Internet Cleanup 5.0 is a comprehensive collection of tools that help
protect privacy and improve the Internet experience. Other new tools
include Bookmark Manager, which allows users to synchronize all bookmarks
between web browsers and has the ability to validate bookmarks to ensure
each link is still alive and active. Simple File Hider protects privacy by
hiding any file or folder from snoopers. Internet cleanup 5 also offers the
ability to automatically e-mail detailed results of scheduled tasks to an
e-mail address.

Internet Cleanup is compatible with both Intel and PowerPC Macintosh
computers. Existing tools including SpyAlert, Network SpyAlert and
NetBlockade have many new enhancements making them more effective and
easier to use. Internet Cleanup 5 also now offers burn-to-disc and
duplicate to StuffIt archive capabilities, and Move to StuffIt Archive
actions have been added for applying to search results.

"With powerful new features designed to keep your Mac safe, organized, and
running at its best, Internet Cleanup 5 makes managing your important files
and maintaining your privacy easier and faster than ever," said Fletcher
Wu, Product Manager, Smith Micro Software, Inc. "Smith Micro has built upon
its popular and affordable Internet Cleanup software to offer advanced
protection tools for the Mac such as Device Sentry and Simple File Hider to
stop potential thieves and hide folders from snoopers. We've also added new
functionality to simplify the process of managing files on your Mac,
including features like BookMark Manager, Connection Viewer and Automatic
Schedule Email that help streamline the user experience."

New Features:

* NEW! Device Sentry - Stops pod-slurping and other forms of data theft by
preventing thieves from mounting iPods, thumb drives, or other external USB
or Firewire devices without authorization

* NEW! Bookmark Manager - Easily synchronizes bookmarks for all web
browsers on the Mac

* NEW! Simple File Hider- Protects privacy by hiding any file or folder in
Finder from snoopers

* NEW! Connection Viewer - Ability to take control and stop suspicious
programs from phoning home by determining what information is being sent
and received from any program that is attempting to connect to the Internet.

* NEW! E-mail results for Schedule - Includes the ability to automatically
e-mail detailed results of scheduled tasks to an e-mail address

Significant Enhancements and Improvements:

* Newly designed interface makes using Internet Cleanup easier than ever

* Provides full support for Mac OS X 10.5 "Leopard"

* SpyAlert feature blocks over 30 new additions of keyloggers and other
types of spyware programs

* MailCleaner function fully supports Mozilla Thunderbird 2 email client

* Internet File Finder now supports the latest versions of all supported
web browsers

* Scheduled tasks now have the ability to notify the user of any missed
tasks and provides options that allow the ability to automatically
reschedule

* Users now have the ability to get answers to questions with ease through
the Contextual Help feature

* IM Log Cleaner supports the newest versions of all supported instant
message clients

* Improved NetBlockade feature blocks more ads and pop ups

Pricing and Availability:

The MSRP for Internet Cleanup 5.0 is $29.99. The application is available
at the Smith Micro web store at:
http://mysmithmicro.com/mac/cleanup/updates.html and popular retailers,
catalogs and distribution partners worldwide.

Registered users of any version of Internet Cleanup can upgrade to Internet
Cleanup 5.0 for $19.99. This offer is available for a limited time. To
upgrade, please visit: http://mysmithmicro.com/store/upgrades.html.

Download a Free trial version at http://mysmithmicro.com/mac/cleanup/trial.html

To learn more about and our product lines visit: http://www.mysmithmicro.com

System Requirements:

Internet Cleanup 5.0 requires Mac OS 10.4.1(Tiger) or higher, fully
compatible with Mac OS 10.5.x (Leopard). Internet Cleanup 5 is Universal
Binary, compatible with both Intel and PowerPC Macintosh computers.

About Smith Micro Software, Inc.

Smith Micro Software, Inc., headquartered in Aliso Viejo, California, with
offices in Europe and Asia, develops and markets wireless multimedia and
communications solutions, mobile device management products, image and data
compression solutions and many award winning software products. Smith
Micro's complete line of products is available through Smith Micro's
Enterprise, Channel and OEM Sales Groups, and direct from our websites,
retail and value-added resellers (VARs) partners. Smith Micro's common
stock trades on the NASDAQ Global Market under the symbol SMSI.