X0201 4 2003-12-23 1 0001024787 MODEM MEDIA INC MMPT 0000051644 INTERPUBLIC GROUP OF COMPANIES INC 1271 AVENUE OF THE AMERICAS 44TH FLOOR NEW YORK NY 10020 0 0 1 0 Common Stock, par value $0.001 per share 2003-12-23 4 S 0 728078 5.405 D 1603305 D Common Stock, par value $0.001 per share 2003-12-23 4 S 0 927124 5.405 D 0 I See "Explanation of Responses" below Common Stock, par value $0.001 per share 2003-12-23 4 S 0 7844798 5.405 D 0 I See "Explanation of Responses" below Common Stock, par value $0.001 per share 2003-12-29 4 S 0 1455000 5.405 D 148305 D The Interpublic Group of Companies, Inc. indirectly beneficially owned 927,124 shares of Modem Media, Inc. through its wholly-owned indirect subsidiary R/GA Media Group, Inc. The Interpublic Group of Companies, Inc. indirectly beneficially owned 7,844,798 shares of Modem Media, Inc. through its wholly-owned indirect subsidiary TN Technologies Inc. Steven Berns, Senior Vice President and Treasurer 2003-12-29