RESTON, VA (November 9, 2006) Learning Tree International (NASDAQ NM: LTRE) has added a new course to its extensive IT curriculum entitled Windows Vista: An Introduction. During the 4-day course, an expert instructor will lead participants in extensive hands-on exercises designed to provide practical experience in managing and configuring Windows Vista operating systems.

Attendees will also receive instruction in:

• Installing and maintaining Windows Vista in a professional environment
• Navigating and configuring Windows Vista
• Creating and managing users and groups
• Protecting resources with rights, access control and encryption
• Implementing and troubleshooting network and Internet connectivity

Jennifer Urick, Vice President of Product Development for Learning Tree International, said, “This course provides attendees with the opportunity to acquire the knowledge and skills necessary to implement and sustain Windows Vista operating systems for their organizations.”

Windows Vista: An Introduction is valuable for PC technicians, IT and desktop support staff, systems administrators and power users.

Windows Vista: An Introduction augments existing Learning Tree courses in the Windows 2003 curriculum, including Hands-On Windows Server 2003, Windows Server 2003 Active Directory and Migration: Hands-On, Deploying and Managing a Windows Server 2003 Environment: Hands-On, Optimizing and Troubleshooting Windows Server 2003 and XP: Hands-On, Securing Windows Server 2003: Hands-On, Scripting Windows Administrative Tasks: Hands-On and Windows Active Directory Troubleshooting: Hands-On.

Learning Tree intends to begin presenting Windows Vista: An Introduction in North America in January 2007 and at its London Education Center in February 2007.

The initial course schedule includes:

• Washington, DC (Reston, VA) — January 23-26, 2007
• New York, NY — February 13-16, 2007
• London, England — February 20-23, 2007
• Toronto, ON — February 27-March 2, 2007
• Chicago, IL (Schaumburg) — March 27-30, 2007

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 worldwide provider of vendor-independent education and training to IT professionals and managers in business and government organizations. The Company develops, markets and delivers a broad, proprietary library of instructor-led courses focused on Web development, operating systems, programming languages, databases, computer networks, computer and network security, object-oriented technology, applied management, project management and key business skills. 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. In addition, Learning Tree is on 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). 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.