SOURCE: LYDALL, INC.

April 20, 2006 17:00 ET

Lydall First Quarter Ended March 31, 2006 Earnings Release and Conference Call Scheduled for May 1, 2006

MANCHESTER, CT -- (MARKET WIRE) -- April 20, 2006 -- Lydall, Inc. (NYSE: LDL) announced today that it will release its financial results for the first quarter ended March 31, 2006 before the Market opens on Monday, May 1, 2006. A conference call, hosted by David Freeman, Chief Executive Officer, and Thomas P. Smith, Vice President, Chief Financial Officer and Treasurer, will be held at 10:00 a.m. Eastern Time on that day.

Those interested may listen to the conference call by calling (800) 946-0705. In addition, the audio of the call will be webcast live and will be available for replay at www.lydall.com in the Investor Relations section.

A recording of the call will be available from 1:00 p.m. ET on May 1, 2006 through midnight, Monday, May 8, 2006 at (719) 457-0820 or (888) 203-1112, pass code 4916432.

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 the U.S., Europe, and Asia, focuses on specialty engineered products for the thermal/acoustical and filtration/separation markets.

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