Aladdin Knowledge Systems to Participate in Two Upcoming Investor Conferences

CHICAGO, January 26, 2006 - Aladdin Knowledge Systems (NASDAQ: ALDN), the worldwide leader in Software Digital Rights Management (DRM) and USB-based authentication solutions, and a leading innovator in enterprise secure content management, today announced it is scheduled to participate in two investor conferences, including:

• The Brean Murray, Carret Small Cap Institutional Investor Conference '06 - New York, New York -- Wednesday, February 1st at 1 PM

  Speaker: Yanki Margalit, Chief Executive Officer, Aladdin Knowledge Systems

• Merrill Lynch Software and Services Conference - Las Vegas, Nevada -- Thursday, February 2nd at 10:20 AM

  Speaker: Yanki Margalit, Chief Executive Officer, Aladdin Knowledge Systems

About Aladdin

Aladdin Knowledge Systems, Ltd. is a global provider of security solutions that reduce software theft, authenticate network users and protect against unwanted Internet and e-mail content, including spam, viruses and spyware. Its security products are organized into two segments: Software Digital Rights Management (DRM) and Enterprise Security. Aladdin's Software DRM products allow software publishers to protect their intellectual property and increase revenues by reducing losses from software theft and piracy. Its Enterprise Security solutions enable organizations to secure their information technology assets by controlling who has access to their networks (authentication) and what content their users can utilize (content security). Visit the Aladdin Web site at www.Aladdin.com.

©2002-2006 Aladdin Knowledge Systems, Ltd. All rights reserved. Aladdin Knowledge Systems and the Aladdin logo are trademarks or registered trademarks of Aladdin Knowledge Systems, Ltd. All other product and brand names mentioned in this document are trademarks or registered trademarks of their respective owners

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