SCHAUMBURG, Ill., Oct. 15 /PRNewswire-FirstCall/ -- American Pharmaceutical Partners, Inc. (Nasdaq: APPX) said that on Thursday, October 23, 2003, the company will release its financial results for its 2003 third quarter. The company also said that Patrick Soon-Shiong, M.D., the company's Chairman, President and Chief Executive Officer, Nicole Williams, Chief Financial Officer, Derek Brown, Co-Chief Operating Officer, and Jeffrey Yordon, Co-Chief Operating Officer, will host an investor conference call that same day at 8:30 a.m. Pacific (11:30 a.m. Eastern) to review the company's financial results and operations.

The conference call will be available to interested parties through a live audio Internet broadcast at www.appdrugs.com and www.fulldisclosure.com . The call will be archived and accessible at both sites for one year.

About American Pharmaceutical Partners, Inc.

American Pharmaceutical Partners, Inc. is a specialty drug company that develops, manufactures and markets injectable pharmaceutical products, focusing on the oncology, anti-infective and critical care markets. APP has acquired the exclusive North American rights to manufacture and market ABRAXANE(TM), a proprietary nanoparticle injectable oncology product that has completed Phase III clinical trials for metastatic breast cancer and for which the FDA has granted "Fast Track" designation. The NDA submission has commenced and the submission is now ongoing. The company believes that it has established the only commercial scale protein-engineered nanoparticle manufacturing capability in the United States. For more information, visit APP's website at www.appdrugs.com .

SOURCE American Pharmaceutical Partners, Inc.

CONTACT:
Nicole Williams
Executive Vice President & CFO of American Pharmaceutical Partners, Inc.

847-969-2700
or Robert Jaffe
or Rob Whetstone, both of PondelWilkinson MS&L for American Pharmaceutical Partners, Inc.
323-866-6060
/Web site: http://www.appdrugs.com
http://www.fulldisclosure.com