ALLUME RELEASES FRENCH, GERMAN, AND JAPANESE VERSIONS OF INTERNET CLEANUP 3.0

Enhanced Version Sports New Anti-Spyware, New User Interface, New Forms
Cleaner, More Cleaning Options, and support for Apple Mail.

Aliso Viejo, CA — October 31, 2005 -Allume Systems, Inc., a division of
Smith Micro Inc. (NASDAQ: SMSI), today announced the release of the French,
German and Japanese versions of Internet Cleanup 3.0 for Macintosh. Now
users in these countries can benefit from our popular privacy tool that
protects them from unscrupulous monitoring of their private information.
Internet Cleanup allows users to schedule the cleaning of forms’ auto-fill
data, e-mail attachments, instant messaging log files, web files, and more.
Internet Cleanup 3.0 also monitors transmissions of data over the Internet,
protection from Spyware, provides secure file deletion, and browser cookie
management.

Internet Cleanup 3.0 contains a powerful array of features for Mac users:

* NEW! SCHEDULE TASKS — The new Scheduler tool lets users create scheduled
tasks to automatically perform searches and clean their system.

* NEW! USER INTERFACE – Internet Cleanup 3.0’s redesigned user interface
makes the software more intuitive and easier to use than ever before! The
new Preview Pane displays a thumbnail of your PDF and graphic files for
easy recognition.

* NEW! APPLE MAIL SUPPORT — MailCleaner adds supports for Apple Mail and
now sports incredibly fast Entourage email attachment searching. Clean out
attachments in Eudora, Entourage, Outlook, and now Apple Mail without
deleting the original e-mail’s text.

* NEW! FULL TIGER COMPATIBILITY — NetBlockade and Network SpyAlert have
been updated for Mac OS 10.4 Tiger and now fully support fast-user
switching.

* NEW! INTERNET FILE FINDER TOOL NOW ADDS:

– Support for 5 new web browsers, including Firefox, Camino, Mozilla,
Shiira and OmniWeb as well as strengthened support for Safari, Internet
Explorer, AOL Netscape, iCab, Opera, and Sherlock.

– New Forms Auto-Fill Data Cleaner search to help find and remove any
auto-fill data collected by web browsers.

– Direct control over which browsers’ files are searched for and where.

– Improved Cookie Editor simplifies automatically getting rid of the
browser cookies you don’t want and keeping the ones you do.

* NEW! RUN MULTIPLE FUNCTIONS AT THE SAME – Internet Cleanup 3.0’s
multi-threaded implementation allows users to conduct multiple tasks
without having to wait for searches or other time-consuming operations to
complete. Users can see the progress of all searches and tasks in the
activity viewer window.

* NEW! MORE CLEANING OPTIONS – Internet Cleanup 3.0 adds two new cleaning
actions: Move To Trash and Move To Folder.

* NEW! IT’S NOT ALL OR NOTHING ANYMORE – Internet Cleanup 3.0 now allows
cleaning actions to be applied to individual files returned by searches.

* UPDATED! SAFEGUARD IM PRIVACY – Instant Messenger Log Cleaner finds and
deletes instant messaging chat logs for major IM applications to keep
conversations private.

* UPDATED! DETECT THE LATEST SPYWARE – SpyAlert scans the computer for
evidence of surveillance Spyware and safely removes it.

* PROTECT AGAINST SECRET MONITORING – Network SpyAlert immediately stops
programs from sending data to the Internet without the user’s permission.

* BLOCK WEB–BASED SPIES- NetBlockade blocks unwanted cookies, ads, pop-ups
as well as URL referrers that tell websites about the previous web page a
user visited.

* ELIMINATE DISTRACTING POP-UPS AND BANNERS – NetBlockade accelerates web
surfing by blocking annoying banner ads and pop-up and pop-under windows.

* SHRED CONFIDENTIAL FILES SECURELY – SecureDelete acts like a digital
document shredder, completely removing private files so they cannot be
recovered from a hard disk, even with special disk recovery tools.

* KEEP YOUR SURFING HABITS PRIVATE – Internet Cleanup 3.0 clears away
hidden files that show outsiders which Web pages, sites, and images were
viewed. It can automatically delete unwanted cookies and protect the
cookies you do want.

Pricing and Availability

The MSRP for Internet Cleanup 3.0 is $29.99 and is available directly from
Allume and popular retailers and catalogs. The French, German and Japanese
version are available from our in country distribution partners for
information visit http://www.allume.com/store/intlpartners.html.

Internet Cleanup Mac users can upgrade for $14.99 — Visit
http://www.allume.com/store/upgrades.html for details.

Download a Free English trial version at http://www.allume.com/mac/cleanup.

System Requirements:
Internet Cleanup 3.0 works on Mac OS 10.3.and requires 8 MB RAM.

About Smith Micro Software:

Smith Micro Software, Inc., headquartered in Aliso Viejo, CA, is a
developer and marketer of wireless communication, broadband and utility
software products for multiple OS platforms. The company designs integrated
cross platform, easy-to-use software for personal computing and business
solutions around the world. With a focus on Wireless and Broadband
technologies and the Internet, the company’s products and services enable
wireless communications, file compression, eCommerce, eBusiness, Internet
communications (voice-over-IP), video conferencing, network fax, and
traditional computer telephony. Allume Systems, Inc., a Smith Micro
company, develops and publishes award-winning software solutions for
Windows and Macintosh. Leading brands are StuffIt, Internet Cleanup and
Spring Cleaning. Allume’s software offers a range of solutions, empowering
users in the areas of information access, removal, recovery, security, and
Internet distribution. Smith Micro’s and Allume’s complete line of products
are available primarily online at the company’s websites, through our
enterprise direct sales efforts, retailers, and through original equipment
manufacturers (OEMs),. Smith Micro’s common stock trades on The Nasdaq
Stock Market under the symbol SMSI. For more information, contact Smith
Micro at (949) 362-5800 or visit the company’s Web site at
www.smithmicro.com.