X0303 4 2010-07-18 0000018396 CDI CORP CDI 0000903921 GARRISON WALTER R C/O CDI CORP. 1717 ARCH ST., 35TH FLOOR PHILADELPHIA PA 19103-2768 1 0 0 1 Chairman of the Board Common Stock 2010-07-18 4 M 0 2583 0 A 1126519 D Common Stock 2010-07-18 4 A 0 254 15.65 A 1126773 D Common Stock 20677 I Trustee of trust for spouse Common Stock 45438 I By spouse Common Stock 37740 I Co-Trustee of trusts for grandchildren Common Stock 84 I By spouse as trustee Time-Vested Deferred Stock 2010-07-18 4 M 0 2583 0 D 2010-07-18 2010-07-18 Common Stock 2583 0 D Under the terms of the Time-Vested Deferred Stock (TVDS) granted to the Reporting Person, if dividends were paid on Common Stock between the grant date and the vesting date of the TVDS, then upon vesting of the TVDS the Reporting Person is entitled to receive additional shares of Common Stock equal to the aggregate value of the dividends relating to those shares. The price set forth in this column represents the market price of Common Stock on the date that shares of TVDS owned by the Reporting Person vested and therefore the date that additional shares of Common Stock relating to dividends were earned. Each share of Time-Vested Deferred Stock (TVDS) represents a contingent right to receive one share of CDI Common Stock. All of the shares of Deferred Stock vest on the third anniversary of the date of grant, which was July 18, 2007. Walter R. Garrison 2010-07-19