RESTON, VA (June 29, 2006) Learning Tree International (NASDAQ NM: LTRE) has introduced a new course, entitled Network Configuration and Troubleshooting: Hands-On, that provides attendees with instruction in configuring, maintaining and troubleshooting networks using a comprehensive set of tools and techniques.

Over 4 days, an expert instructor will lead course participants in exercises designed to help them gain experience in:

• Configuring, maintaining and troubleshooting multiple network configurations
• Selecting and maintaining a cabling infrastructure
• Configuring and testing network adapters for optimum LAN performance
• Installing a switched network with VLANs
• Managing IP address assignments and subnetting
• Identifying and resolving application layer issues using protocol analysis

"Professionals who are required to configure networks and resolve related problems will have the opportunity during this course to gain the skills they need to do their jobs more effectively in support of their organizations," said Jennifer Urick, Vice President of Product Development for Learning Tree International.

Network Configuration and Troubleshooting: Hands-On is valuable for anyone involved in designing, configuring, installing or maintaining a network. The concepts taught in this course benefit those from any size organization, from LAN support staff in large enterprises to end users in smaller ones that do not support a LAN staff.

Network Configuration and Troubleshooting: Hands-On augments existing Learning Tree courses, including Introduction to Networking, Hands-On PC Configuration and Troubleshooting and Advanced PC Configuration, Troubleshooting and Data Recovery: Hands-On.

Learning Tree intends to begin presenting Network Configuration and Troubleshooting: Hands-On in North America in July 2006 and at its London Education Center in August 2006.

The initial course schedule includes:

• Washington, DC (Reston, VA) — July 18-21, 2006
• New York, NY — August 8-11, 2006
• Boston, MA — August 29-September 1, 2006
• Ottawa, ON — August 29-September 1, 2006
• London, England — August 29-September 1, 2006

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.