X0202 4 2004-11-01 0 0001268671 TNS INC TNS 0001262806 GTCR CO INVEST LP C/O GTCR GOLDER RAUNER LLC SEARS TOWER #6100 CHICAGO IL 60606-6402 0 0 1 0 0001105021 GTCR GOLDER RAUNER LLC 6100 SEARS TOWER CHICAGO IL 60606-6402 0 0 1 0 Common Stock, par value $0.001 per share 2004-11-01 4 S 0 375 20 D 136532 D GTCR Co-Invest, L.P. ("Co-Invest") is the direct beneficial owner of the shares reported in Table I. GTCR Golder Rauner, L.L.C. ("GTCR") is the general partner of Co-Invest. As such, GTCR may be deemed to be a beneficial owner of the shares reported in Table I. GTCR expressly disclaims beneficial ownership of the shares reported in Table I. The filing of this form shall not be deemed an admission that GTCR is, for Section 16 purposes or otherwise, the beneficial owner of such shares. /s/ Thomas N. Blanchard under Powers of Attorney dated 03/16/04 2004-11-02