X0306 4 2014-04-23 0 0000889936 PRIVATEBANCORP, INC PVTB 0001358714 GTCR FUND IX/B L P 300 N. LASALLE STREET SUITE 5600 CHICAGO IL 60654 1 0 0 0 0001421266 GTCR Partners IX, L.P. 300 N. LASALLE STREET SUITE 5600 CHICAGO IL 60654 1 0 0 0 0001262953 GTCR GOLDER RAUNER II LLC 300 N. LASALLE STREET SUITE 5600 CHICAGO IL 60654 1 0 0 0 Common Stock 2014-04-23 4 S 0 319484 28.38 D 270293 D GTCR FUND IX/B, L.P. ("FUND IX/B") is the direct beneficial owner of shares reported in Table I. GTCR Partners IX, L.P. ("GTCR Partners IX") is the general partner of FUND IX/B and GTCR Golder Rauner II, L.L.C. ("GTCR") is the general partner of GTCR Partners IX. As such, GTCR Partners IX and GTCR may be deemed to be beneficial owners of the shares reported in Table I. The filing of this form shall not be deemed an admission that GTCR Partners IX or GTCR is, for Section 16 purposes or otherwise, the beneficial owner of those shares. FUND IX/B, collectively with GTCR FUND IX/A, L.P. and GTCR CO-INVEST III, L.P., has the right to appoint a representative to serve as a Director of Private Bancorp, Inc. Mr. Collin E. Roche currently serves as its representative on the board of PrivateBancorp, Inc. /s/ Dennis M. Myers under a Power of Attorney 2014-04-25 /s/ Dennis M. Myers under a Power of Attorney 2014-04-25 /s/ Dennis M. Myers under a Power of Attorney 2014-04-25