October 5, 1998 — PRIMEDIA Inc., a leader in supplementary educational publishing in the United States with products including Weekly Reader, announced that the Company has acquired American Guidance Service, the leading publisher of assessments, textbooks and instructional materials for students with special educational needs.

About American Guidance Service Inc.

American Guidance Service, Inc. specializes in publishing individually administered tests to measure cognitive ability, achievement, behavior, speech and language skills, and personal and social adjustment. Its group-administered tests for reading and math provide information on individual ability.

About Primedia Inc.

PRIMEDIA is the leading targeted media company in the United States. With 2005 revenue of $990 million, its properties comprise over 100 brands that connect buyers and sellers through print publications, Internet, events, merchandise and video programs in three market segments.