Aladdin Knowledge Systems Reports First Quarter 2008 Financial Results

Record Quarterly Revenues of $30.0 Million, Up 19 Percent Year-Over-Year

TEL AVIV, ISRAEL, April 21, 2008 - Aladdin Knowledge Systems Ltd. (NASDAQ: ALDN), an information security leader specializing in authentication, software DRM and content security, today announced financial results for the first quarter of fiscal year 2008, ended March 31, 2008.

Revenues for the first quarter 2008 were a record $30.0 million, an increase of 19 percent from $25.2 million for the same period in 2007. Software DRM revenues for the first quarter of 2008 were a record $19.0 million, an increase of 12 percent from $17.0 million in the same period in 2007. Enterprise Security revenues for the first quarter were $11.0 million, a 35 percent increase from $8.2 million recorded in the same period in 2007.

Net income in accordance with Generally Accepted Accounting Principles (GAAP) for the first quarter of 2008 was $3.7 million, or $0.27 per basic and $0.26 per diluted share, compared to first quarter of 2007 GAAP net income of $3.9 million or $0.26 per basic share and diluted share. GAAP net income for the first quarter of 2008 included $0.4 million for stock-based compensation expenses, in line with the $0.4 million reported in the first quarter of 2007.

Excluding stock-based compensation expenses, the Company reported non-GAAP net income for the first quarter of 2008 of $4.0 million, or $0.29 per basic share and diluted share, compared to first quarter of 2007 non-GAAP net income of $4.3 million or $0.29 per basic share and diluted share. Refer to the "Use of Non-GAAP Measures" section and accompanying financial table for a reconciliation of GAAP financial information to non-GAAP.

Cash, cash equivalents and marketable securities totaled $95.0 million at March 31, 2008, up $4.7 million from $90.3 million reported at the end of 2007. The Company generated cash flow from operations of $2.2 million during the first quarter of 2008 and recorded proceeds of $2.9 million related to the partial sale of an investment stake in another company.

Yanki Margalit, Chairman and CEO of Aladdin Knowledge Systems, said, "Aladdin's strong first quarter results, highlighted by record quarterly revenues, provide an excellent foundation for growth in 2008. We continued to experience increased demand across both Software DRM and Enterprise Security markets throughout all geographic regions. However, our results were negatively impacted by currency exchange rates with a strong Israeli shekel raising our operating expenses.

"Overall, we are very pleased with the start to the year. In the first quarter we have consolidated the financial results of Athena Smartcards into Aladdin's results. This ongoing partnership provides our customers with additional security and value as well as complements our broad portfolio of IT security solutions. We believe our first quarter results reflect our market position as a worldwide leader in Enterprise Security and reaffirm our spot as the number one provider of Software DRM solutions. With an expanding global footprint, Aladdin's continued growth reflects the rising demand from customers worldwide for protection against major IT security threats," concluded Margalit.

Financial and Operating Highlights

• Record quarterly revenues of $30.0 million.
• Consolidation of Athena Smartcards financial results of operation beginning February 1, 2008.
• Aladdin is expanding its global presence by establishing an office in Mexico to support its ongoing growth in the Central and South American region.

Quarterly Product Highlights

• Aladdin eSafe received a perfect five-star rating in every category of SC Magazine's March 2008 anti-malware group test, recognizing Aladdin eSafe's real-time protection and "full gambit of email and Web safeguards."
• Aladdin eSafe 6 was released, featuring dual anti-spam engines for zero-hour, best-of-breed anti-spam and malware outbreak prevention, in addition to enhanced content security.
• ZTE Corporation, the largest listed Chinese provider of telecommunications equipment and network solutions, chose the Aladdin eToken strong authentication solution to enhance its telecom class VPN access system.
• Aladdin HASP SRM, the industry's leading software protection and licensing solution that enables software publishers to grow their business and maximize profits, stands as a finalist for the Software & Information Industry Association's (SIIA) esteemed Codie Awards in the Best Digital Rights Management category.
• Aladdin announced a significant partnership with Unisys Corporation, a worldwide technology services and security solutions company. The partnership builds upon Unisys' internal use of the Aladdin eToken strong authentication solution. Through the partnership, Unisys will expand its relationship with Aladdin to offer the Aladdin eToken and Aladdin eSafe secure Web gateway solutions to its global base of government and commercial customers.

For further information on product highlights, refer to the press room on the Company's Web site at http://www.Aladdin.com/about/pressroom.asp.

Future Business Outlook

Based on current business conditions and expectations, Aladdin management reiterates its top line revenue target as previously stated for fiscal year 2008. Revenues for fiscal year 2008 are expected to be between $123.0 million and $130.0 million as compared to the $105.9 million in revenues reported for fiscal year 2007.

The company is lowering its fiscal year 2008 GAAP diluted earnings per share guidance to be in the new range of $1.08 to $1.18. The Company reported GAAP diluted earnings per share of $1.02 in fiscal year 2007.

Fiscal year 2008 non-GAAP diluted earnings per share are now expected to be in the range of $1.20 to $1.30. The Company reported non-GAAP earnings per diluted share of $1.20 in fiscal year 2007, which excluded stock-based compensation expense and the impact of the $2.0 million non-recurring up-front cost associated with production of video-based training. Non-GAAP earnings per share guidance excludes the projected impact of stock-based compensation expenses.

The company undertakes no obligation to update its estimates.

Use of Non-GAAP Measures

This press release provides financial measures for net income, basic and diluted earnings per share that exclude stock-based compensation expense which are not calculated in accordance with U.S. generally accepted accounting principles (GAAP). Management believes that these non-GAAP financial measures provide meaningful supplemental information regarding the Company's performance that enhances management's and investors' ability to evaluate the Company's net income and earnings per share as well as to compare it with historical net income and earnings per share.

Earnings Teleconference

The Company will hold a teleconference today, April 21st, at 9:00 a.m. EDT to discuss the quarterly results. To participate in the call, dial +1 (888) 668-9141 in North America, or +972 (3) 918-0610 internationally, approximately five minutes prior to the scheduled call start time. The call is being simultaneously Web cast and can be accessed on the Aladdin Web site at www.Aladdin.com/investor. Please visit the Web site at least 15 minutes prior to the scheduled call time to register for the Web cast and download any necessary audio software.

A replay of the call can also be accessed via telephone from 12:00 p.m. EDT on April 21st through 11:59 p.m. EDT on May 21st by calling +1 (888) 782-4291 in North America, or +972 (3) 925-5943 internationally. A Web cast replay of the call will also be made and can be accessed on the Aladdin Web site at www.Aladdin.com/investor.

About Aladdin Knowledge Systems

Aladdin Knowledge Systems' Software Rights Management products are the #1 choice of software developers and publishers to protect intellectual property, increase revenues, and reduce losses from software piracy. Aladdin eToken is the world's #1 USB-based authentication solution. The Aladdin eSafe secure Web gateway provides the most advanced protection against the latest Web-based threats and attacks. Aladdin has offices in 12 countries, a worldwide network of channel partners, and has won numerous awards for innovation. For more information, visit the Aladdin Web site at www.Aladdin.com.

©2008 Aladdin Knowledge Systems, Ltd. All rights reserved. HASP, eToken, eSafe, 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.

Safe Harbor Statement

Certain information presented herein constitutes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements are subject to known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of the company to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. Such factors include general economic and business conditions, risks relating to our recent acquisition of Athena Smartcards, including the failure to realize expected synergies, failure to effectively integrate the business of Athena Smartcards into our business and increasing unexpected liabilities, the loss of market share, changes in the competitive landscape and other factors over which the company has little or no control. For more information, please refer to the Company's filings with the Securities and Exchange Commission, which are available on the Commission's website at www.sec.gov.

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