Discovery Education to Launch New Science Education Product Designed by NavigationArts

MCLEAN, VIRGINIA, January 18, 2006 — NavigationArts, a leading user experience design consultancy, today announced that Discovery Communications has selected the company to provide user experience design services in support of a new online science education effort. Discovery Education Science Connection is targeted toward middle school students and will deliver educational materials in physical science, earth and life science and space science.

NavigationArts is providing information architecture and interface design services to optimize the site’s features, content, and navigation.

“We are very excited to be working with Discovery Education on this new product offering,” said NavigationArts’ CEO Leo Mullen. “Discovery is a leader in providing online services, and we think our best-practices approach to user experience design makes us a good partner for them.”

Design and development will begin immediately and continue through a launch in the fall of 2006.

About NavigationArts

NavigationArts (navigationarts.com) is a strategic consultancy providing expert advisory, design and development services that optimize the online user experience for their clients’ Internet applications to drive business value for marketing, communications and commerce.

About Discovery Education

Discovery Education is a division of Discovery Communications, the leading global real-world and knowledge-based media company. The leader in digital video-based learning, Discovery Education produces and distributes high-quality digital video content in easy-to-use formats, in all core-curricular subject areas. Discovery Education is committed to creating scientifically proven, standards-based digital resources for teachers, students, and parents that make a positive impact on student learning. Through strategic partnerships with over 25 public television stations across the country, its public service initiatives, products, and joint business ventures, Discovery Education helps educators around the world harness the power of broadband and media to connect their students to a world of learning. For more information, visit discoveryeducation.com.

About Discovery Communications

Discovery Communications, Inc. is the leading global real-world media company. Discovery has grown from its core property, the Discovery Channel, first launched in the United States in 1985, to current global operations in 170 countries and territories with nearly 1.4 billion cumulative subscribers. DCI’s over 100 networks of distinctive programming represent 27 network entertainment brands including TLC, Animal Planet, Travel Channel, Discovery Health Channel, Discovery Kids, Discovery Times Channel, The Science Channel, Military Channel, Discovery Home Channel, Discovery en Español, Discovery Kids en Español, Discovery HD Theater, FitTV, Discovery Travel & Living (Viajar y Vivir), Discovery Home & Health and Discovery Real Time. DCI’s other properties consist of Discovery Education and Discovery Commerce, which operates more than 100 Discovery Channel Stores in the U.S. DCI also distributes BBC America in the United States. DCI’s ownership consists of four shareholders: Discovery Holding Company (NASDAQ: DISCA, DISCB), Cox Communications, Inc., Advance/Newhouse Communications and John S. Hendricks, the Company’s Founder and Chairman.