X0303 4 2010-12-07 0000060977 LYDALL INC /DE/ LDL 0001410837 BARNHART DALE G C/O LYDALL, INC. ONE COLONIAL ROAD, P.O. BOX 151 MANCHESTER CT 06045-0151 1 1 0 0 President & CEO Common Stock 2010-12-07 4 F 0 787 7.56 D 158776 D Common Stock 2010-12-07 4 F 0 787 7.56 D 157989 D In conjunction with the vesting on December 7, 2010 of 2,500 shares of restricted stock from the restricted stock award granted on December 3, 2007, 787 shares of common stock were surrendered to satisfy tax obligations of the reporting person. In conjunction with the vesting on December 7, 2010 of 2,500 shares of restricted stock from the restricted stock award granted on December 9, 2008, 787 shares of common stock were surrendered to satisfy tax obligations of the reporting person. Includes: (i) 12,500 unvested shares subject to time-based restricted stock awards and (ii) 124,000 unvested shares subject to a performance-based restricted stock award. Paul G. Igoe, Attorney-in-fact, for Dale G. Barnhart 2010-12-09