This announcement is for informational purposes only and does not constitute an offer to purchase or a solicitation of an offer to sell securities. The tender offer is being made pursuant to a tender offer statement on Schedule TO (including the offer to purchase, letter of transmittal and other related tender offer materials) that was filed by Johnson & Johnson and Kite Merger Sub, Inc., with the Securities and Exchange Commission (SEC) on June 5, 2009. In addition, on June 5, 2009, Cougar Biotechnology filed a Solicitation/Recommendation Statement on Schedule 14D-9 with the SEC related to the tender offer. These materials, as they may be amended from time to time, contain important information, including the terms and conditions of the offer, that should be read carefully before any decision is made with respect to the tender offer. Investors and stockholders can obtain a free copy of these materials and other documents filed by Johnson & Johnson, Kite Merger Sub, Inc., and Cougar Biotechnology with the SEC at the website maintained by the SEC at www.sec.gov. The tender offer materials may also be obtained free of charge by contacting the information agent for the tender offer, Georgeson, at 1-212-440-9800 for banks and brokers and 1-877-278-9667 for stockholders and all others, or by writing to 199 Water Street, 26th floor, New York, NY 10038.

Except for the historical information contained herein, the matters set forth in this press release, including statements as to research and development, commercialization of products and the pending acquisition of Cougar Biotechnology, are forward-looking statements within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are subject to risks and uncertainties that may cause actual results to differ materially, including operating losses and fluctuations in operating results; capital requirements; regulatory review and approval of our products; the conduct and timing of clinical trials; commercialization of products; market acceptance of products; product labeling; concentrated customer base; reliance on strategic partnerships and collaborations; uncertainties in drug development; uncertainties regarding intellectual property, failure to satisfy conditions to the closing of the acquisition and other risks detailed from time to time in Cougar Biotechnology's SEC reports, including its Annual Report on Form 10-K for the year ended December 31, 2008. Cougar Biotechnology disclaims any intent or obligation to update these forward-looking statements.