MANCHESTER, CT -- (MARKET WIRE) -- 06/21/2006 -- Lydall, Inc. (NYSE: LDL) - Lydall Filtration/Separation, Inc. today announced a general price increase effective with orders shipped after August 4, 2006. This increase is necessary as a result of the continuing increases in energy and raw materials prices, especially microglass fiber and petroleum based resins.

This price increase will cover all products and areas of Lydall Filtration/Separation's business. Key customers will be notified of the specifics in the next few days. Lydall continues to focus on cost and efficiency improvements to keep our customers competitive and Lydall strong.

Lydall, Inc. is a New York Stock Exchange listed company, headquartered in Manchester, Connecticut. The Company, with operations in the U.S., France, and Germany and sales offices in Europe and Asia, focuses on specialty engineered products for the thermal/acoustical and filtration/separation markets. Lydall Filtration/Separation designs and manufactures technically advanced air and liquid filtration products ranging from microglass media to a variety of synthetic and membrane composites.