X0306 4 2013-04-18 0 0001299033 Calamos Asset Management, Inc. /DE/ CLMS 0001248580 CALAMOS JOHN P SR 2020 CALAMOS COURT NAPERVILLE IL 60563 1 1 1 0 Chairman, CEO, Global Co-CIO 0001307316 Calamos Family Partners, Inc. 2020 CALAMOS COURT NAPERVILLE IL 60563 0 0 1 0 Class A Common Stock 2013-04-18 4 P 0 500 10.97 A 1166685.676 D Class A Common Stock 2013-04-18 4 P 0 300 10.99 A 1166985.676 D Class A Common Stock 2013-04-18 4 P 0 3056 11 A 1170041.676 D Class A Common Stock 6649.117 I By Spouse Shares purchased by Calamos Investments LLC primarily to manage dilution resulting from, and potentially to fulfill the requirements of, Calamos Asset Management's equity compensation plan. Calamos Investments LLC, which is 77.9% owned by Calamos Family Partners and 22.1% owned and solely managed by Calamos Asset Management, is the company through which Calamos Asset Management conducts substantially all of its operations. The reporting persons disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein and this report shall not be deemed an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose. Total represents 654,176.676 shares of Class A Common Stock and 515,865 Restricted Stock Units (which will be settled solely in shares of Class A Common Stock). /s/ William J. Takahashi, Attorney-in-Fact 2013-04-18