X0306 4 2013-03-21 0000018396 CDI CORP CDI 0001521157 Giorgio Robert J C/O CDI CORP. 1717 ARCH ST., 35TH FLOOR PHILADELPHIA PA 19103-2768 0 1 0 0 Exec VP, Global Engineering Common Stock 2013-03-21 4 M 0 2500 9.38 A 54359 D Common Stock 2013-03-21 4 D 0 1352 9.38 D 53007 D Common Stock 2013-03-21 4 F 0 354 17.50 D 52653 D Stock-Settled Stock Apprecation Rights (SARs) 9.38 2013-03-21 4 M 0 2500 0 D 2016-03-19 Common Stock 2500 7419 D This is the market price of Common Stock on the day prior to the date the SARs were exercised and was therefore the price used to calculate the number of shares deducted to satisfy tax withholding obligations. The SARs vest 20% per year on each of the first five anniversaries of the date of grant (03/19/09). Craig H. Lewis as attorney-in-fact for Robert J. Giorgio (pursuant to Power of Attorney previously filed) 2013-03-25