X0304 4 2011-12-14 0 0001171014 COSI INC COSI 0001093739 EDWARDS STEPHEN F C/O COSI, INC. 1751 LAKE COOK ROAD, SUITE 600 DEERFIELD IL 60015 1 1 0 0 Executive Chair Common Stock par value $0.01 2011-12-14 4 P 0 6375 0.67 A 439508 D Common Stock par value $0.01 2011-12-15 4 P 0 20000 0.67 A 459508 D Common Stock par value $0.01 2011-12-16 4 P 0 25000 0.68 A 484508 D Common Stock par value $0.01 324 I as Custodian The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.66 to $0.67, inclusive. The reporting person has provided to Cosi, Inc., and undertakes to provide to any security holder of Cosi, Inc., or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.6675 to $0.67, inclusive. The reporting person has provided to Cosi, Inc., and undertakes to provide to any security holder of Cosi, Inc., or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (2) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.67 to $0.69, inclusive. The reporting person has provided to Cosi, Inc., and undertakes to provide to any security holder of Cosi, Inc., or the staff of the SEC, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (3) to this Form 4. /s/ Vicki J. Baue, Attorney in Fact 2011-12-16