X0303 4 2009-02-27 0001047884 ANWORTH MORTGAGE ASSET CORP ANH 0001209607 BLACK CHARLES C/O ANWORTH MORTGAGE ASSET CORPORATION 1299 OCEAN AVENUE, SECOND FLOOR SANTA MONICA CA 90401 1 0 0 0 Common Stock 2009-02-27 4 M 0 1250 4.60 A 14250 D Common Stock 2009-02-27 4 X 0 72 A 14322 D Common Stock 10199 I By spouse Stock Option (right to buy) 4.60 2009-02-27 4 M 0 1250 D 2002-04-16 2009-04-16 Common Stock 1250 0 D Dividend Equivalent Rights 2009-02-27 4 X 0 72 D 2009-04-16 Common Stock 72 0 D Stock Option (right to buy) 6.70 2002-01-23 2011-07-23 Common Stock 260 260 D Stock Option (right to buy) 7.10 2002-02-10 2011-08-10 Common Stock 3000 3260 D Stock Option (right to buy) 11.20 2003-10-04 2012-10-04 Common Stock 10000 13260 D Stock Option (right to buy) 13.80 2004-05-01 2013-05-01 Common Stock 12100 25360 D Shares received pursuant to exercise of an option granted April 16, 1999. Settlement of dividend equivalent rights in connection with exercise of option. Mr. Black's spouse, Bonnie N. Black, owns 10,199 shares directly and Mr. Black disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mr. Black is the beneficial owner of the securities for purposes of Section 16 or any other purpose. Not applicable. The dividend equivalent rights convert to common stock on a 1-for-1 basis. /s/ Charles H. Black 2009-03-03