X0202 4 2005-02-16 0 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 2005-02-16 4 J 0 2019000 0 D 8420080 D Reflects a pro rata distribution of such shares by GTCR Fund VII, L.P. to its partners, including 271,321 shares distributed to GTCR Partners VII, L.P. ("GTCR Partners VII"). Does not include the 271,321 shares distributed to GTCR Partners VII, which are beneficially owned by GTCR Partners VII. GTCR Fund VII, L.P. ("Fund VII") is the direct beneficial owner of the shares reported in Table I. 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 be 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 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 2005-02-16