X0202 4/A 2005-02-03 2003-02-04 0 0001171014 COSI INC COSI 0001209021 ZAM HOLDINGS L P C/O PBK HOLDINGS, INC. 283 GREENWICH AVENUE GREENWICH CT 06830 0 0 1 0 0001059932 PBK HOLDINGS INC 283 GREENWICH AVENUE GREENWICH CT 06830 0 0 1 0 0001271455 KORSANT PHILIP B C/O PBK HOLDINGS, INC. 283 GREENWICH AVENUE GREENWICH CT 06830 0 0 1 0 Warrant 0.0153 2005-02-03 4 J 0 559 A 2001-11-08 2006-11-06 Common Stock 21989 1 D Due to issuances of shares by the Issuer, the antidilution provisions of this previously reported warrant have increased the number of shares underlying the warrant by 559 shares from 21,430 to 21,989 shares. Additionally, due to the issuance of shares by the Issuer, the antidilution provisions of this warrant have reduced the exercise price from $.0157 to $.0153. As of December 31, 2004, ZAM Holdings is the beneficial owner of 5,034,779 shares of the Issuer's Common Stock. ZAM Holdings owns 4,573,080 shares of such Common Stock directly. 461,699 shares may be obtained upon exercise of warrants. The securities reported are directly owned only by ZAM Holdings. PBK Holdings, Inc. ("PBK Holdings"), as the general partner of ZAM Holdings, and Philip B. Korsant ("Korsant"), as the sole shareholder of PBK Holdings, may be deemed indirect beneficial owners under Rule 16a-1(a)(1) of the Securities Exchange Act of 1934, as amended (the "Act"), of securities of the Issuer beneficially owned by ZAM Holdings. Other than with respect to their direct or indirect ownership interest in ZAM Holdings, PBK Holdings and Korsant are not beneficial owners pursuant to Rule 16a-1(a)(1) of the Act of any securities of the Issuer. PBK Holdings, as the general partner of ZAM Holdings and as the general partner of certain limited partners of ZAM Holdings, and Korsant, as sole shareholder of PBK Holdings, may be deemed indirect beneficial owners under Rule 16a-1(a)(2) of the Act of securities of the Issuer beneficially owned by ZAM Holdings. Other than with respect to their direct or indirect ownership interest in ZAM Holdings, PBK Holdings and Korsant are not beneficial owners pursuant to Rule 16a-1(a)(2) of the Act of any securities of the Issuer. This Form 4/A is being filed as a fourth amendment to the Form 4 filed on February 4, 2003. A first amendment was filed on November 26, 2003. A second amendment was filed on December 24, 2003. A third amendment was filed on December 30, 2003. This Form 4/A also supplements the Form 5 filed by the reporting persons on February 13, 2003. /s/ David Gray, Vice President of PBK Holdings, Inc., the General Partner of ZAM Holdings, L.P. 2005-02-03 David Gray, Vice President of PBK Holdings, Inc. 2005-02-03 Philip B. Korsant 2005-02-03