"The acquisition of ViroPharma will immediately benefit Shire and is entirely consistent with our clear strategic objective of strengthening our rare disease portfolio. It brings us a new growth driving product which augments our already strong growth prospects."Shire is uniquely positioned to drive the continued success of CINRYZE for the benefit of patients through our knowledge of the rare disease space, our international infrastructure and our biologics manufacturing expertise. "Shire is also excited by the prospect of being able to offer two complementary treatments, FIRAZYR for the treatment of acute HAE attacks and CINRYZE for prophylactic treatment of patients suffering from HAE. Shire's priority will be to ensure CINRYZE patients continue to enjoy high standards of service. "Shire has conducted a thorough and collaborative due diligence process over the last few months and, following completion of the transaction, the integration process will be focused on delivering value to all stakeholders. This acquisition is expected to create a $2 billion [ 1] rare disease revenue base and delivers further strong growth prospects." Vincent J. Milano, ViroPharma's Chief Executive Officer, stated: "We are pleased to announce our merger with Shire, which like ViroPharma, is focused on developing products for patients suffering from rare diseases. "After thoroughly evaluating our strategic options we determined that this transaction is in the best interests of ViroPharma, our shareholders and our patients. "By joining with Shire, ViroPharma will become part of a larger, more diverse biopharmaceutical company and will benefit from Shire's innovation, scale and global reach. We will have access to resources to expand product distribution, giving us a platform to provide our crucial therapies, such as CINRYZE, to more patients than ever before. We look forward to working with Shire's team and to being part of an even stronger, more geographically diverse organization."