X0303 4 2010-12-16 0000878079 BON TON STORES INC BONT 0000938690 GRUMBACHER M THOMAS C/O THE BON-TON STORES, INC. 2801 EAST MARKET STREET YORK PA 17402 1 1 1 Executive Chairman Common Stock 2010-12-16 5 G 0 E 68750 0 D 1169477 D Common Stock 2010-12-17 5 G 0 E 34374 0 D 1135103 D Common Stock 0.9 I By 401(k) Plan Common Stock 337307 I By IRA These shares are held under The Bon-Ton Stores, Inc. Profit Sharing/Retirement Savings Plan. Effective March 16, 2010, 337,307 shares previously owned through The Bon-Ton Stores, Inc. Profit Sharing/Retirement Savings Plan were rolled over into an IRA. This rollover did not constitute a change in Mr. Grumbacher's pecuniary interest in the shares rolled over. /s/ Keith E. Plowman, attorney-in-fact 2011-01-06