X0303 4 2008-12-03 0000060977 LYDALL INC /DE/ LDL 0001227816 DUFFY W LESLIE C/O CAHILL GORDON & REINDEL 80 PINE STREET, 19TH FLOOR NEW YORK NY 10005 1 0 0 0 Common Stock 2008-12-03 4 A 0 2500 4.5836 A 27824 D Mr. Duffy acquired 2,500 shares at $4.5836 per share on December 3, 2008. Kathleen J. Carroll, Attorney-in-fact for W. Leslie Duffy 2008-12-04