ASCO Annual Meeting

Annual Meeting of American Society of Clinical Oncology (ASCO), Atlanta, June 2 - 6, 2006

At 2006 ASCO in Atlanta Roche and its collaborators presented more than 90 abstracts on its broad oncology portfolio. Please find news provided during ASCO below:

Investor Update - New data show impressive survival benefit for Herceptin in early-stage HER2-positive breast cancer

Investor Update - Largest ever data set shows consistent benefits with Avastin when used in combination with different chemotherapy treatments

Investor Update - New Xeloda combination allows patients with stomach cancer to live significantly longer

Investor Update - New study suggests combining breakthrough therapies Tarceva and Avastin may provide more hope for lung cancer patients

Additionally, a summary of key data presented at ASCO by Roche and its collaborators was provided at the Oncology Event for Investors which was held on June 19 in Zurich.