X0202 4 2005-09-21 1 0001268671 TNS INC TNS 0001104997 GTCR FUND VII LP C/O GTCR GOLDER RAUNER LLC SEARS TOWER #6100 CHICAGO IL 60606-6402 0 0 1 0 0001262949 GTCR PARTNERS VII L P 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 2005-09-21 4 S 0 4382080 23.25 D 0 D GTCR Fund VII, L.P. ("Fund VII") was the direct beneficial owner of the shares reported in Table I. GTCR Partners VII, L.P. ("GTCR Partners VII") is the general partner of Fund VII and GTCR Golder Rauner, L.L.C. ("GTCR") is the general partner of GTCR Partners VII. As such, GTCR Partners VII and GTCR may be deemed to have been beneficial owners of the shares reported in Table I. GTCR Partners VII and GTCR expressly disclaim beneficial ownership of the shares reported in Table I. The filing of this form shall not be deemed an admission that GTCR Partners VII or GTCR was, for Section 16 purposes or otherwise, the beneficial owner of such shares. /s/ Thomas N. Blanchard under Powers of Attorney dated 03/16/04 2005-09-22