RESTON, VA (September 4, 2008) Learning Tree International (NASDAQ NM: LTRE) today announced the addition of a new 4-day course to its hands-on IT security curriculum. Entitled Windows Server 2008 Security Infrastructure: Hands-On, the course offers attendees the opportunity to gain practical experience in designing and implementing a secure network infrastructure through intensive exercises led by an expert instructor.

Participants also receive instruction in:

• Applying Windows Server 2008 features to secure their infrastructure
• Deploying a Windows-based Public Key Infrastructure (PKI) as a foundation for security services
• Enhancing access controls with policy-based multifactor authentication
• Building a scalable encryption solution that assures recovery of protected data
• Installing and configuring Network Access Protection (NAP) to exclude unhealthy computers

“IT security professionals who take this course will become acquainted first-hand with the technologies Windows Server 2008 offers for decreasing network risk and improving policy compliance within their organizations,” said Jennifer Urick, Vice President of Product Development for Learning Tree International.

Windows Server 2008 Security Infrastructure: Hands-On is valuable for anyone who designs, implements or supports network security in a Windows Server 2008 environment, including system administrators responsible for network security; system administrators who deploy, configure and maintain key infrastructure servers; system administrators who design and implement security-related Group Policies; information security personnel, information system security analysts and auditors who certify and accredit information systems; key managers needing an in-depth understanding of available enterprise security technologies.

Windows Server 2008 Security Infrastructure: Hands-On augments existing Learning Tree courses, including:

• Windows Server 2008 Administration: Hands-On
• Securing Exchange 2007: Hands-On
• Internet Information Services 7 for Windows Server 2008: Hands-On
• Windows Server 2008: A Comprehensive Hands-On Introduction
• Windows Server 2008 Group Policy Management: Hands-On
• Windows Server 2008 Active Directory Domain Services: Hands-On
• Controlling Network Access: Hands-On
• Securing Wireless Networks: Hands-On
• UNIX and Linux Security: Hands-On
• Windows PowerShell Hands-On: Automating Administrative Tasks
• Automating Windows Administration with VBScript

Learning Tree intends to begin presenting Windows Server 2008 Security Infrastructure: Hands-On at its U.S. and London Education Centers in October 2008, and in Canada in January 2009.

The initial schedule includes:

• New York, NY — October 28-31, 2008
• London, England — October 28-31, 2008
• Washington, DC (Reston, VA) — November 18-21, 2008
• Washington, DC (Alexandria, VA) — December 9-12, 2008

This schedule is subject to change. For further information and the latest course dates and locations, call 1-800-THE-TREE (1-800-843-8733) or visit www.learningtree.com.

About Learning Tree International

Learning Tree International is a leading global provider of truly effective training to management, business and information technology professionals. Since 1974, over 65,000 public and private organizations have trusted Learning Tree to enhance the professional skills of more than 1.8 million employees. The Company develops, markets and delivers a broad, proprietary library of instructor-led courses focused on project management; leadership and key business skills; web development; operating systems; programming languages; databases; computer networks; IT/IS security; and object-oriented technology. The Company also tests and certifies IT and business professionals, and Learning Tree Courses are recommended for college credit by the American Council on Education and several leading Universities. In addition, Learning Tree is accredited by the International Institute of Business Analysis, the National Association of State Boards of Accountancy National Registry of CPE sponsors, and is a Registered Education Provider of the Project Management Institute (PMI). Courses are presented at Learning Tree Education Centers throughout the world and delivered globally, on-site at client facilities. For more information about Learning Tree products and services, call 1-800-THE-TREE (1-800-843-8733), or visit our Web site at www.learningtree.com.