Promega Corporation is a leader in providing innovative solutions and technical support to the life sciences industry. The company’s 2,000 products enable scientists worldwide to advance their knowledge in genomics, proteomics, cellular analysis, molecular diagnostics and human identification. Founded in 1978, the company is headquartered in Madison, WI, USA with branches in 15 countries and over 50 global distributors. For more information about Promega, visit [http://www.promega.com www.promega.com].

Merck is a global pharmaceutical and chemical company with total revenues of € 10.3 billion in 2011, a history that began in 1668, and a future shaped by more than 40,000 employees in 68 countries. Its success is characterized by innovations from entrepreneurial employees. Merck's operating activities come under the umbrella of Merck KGaA, in which the Merck family holds an approximately 70% interest and free shareholders own the remaining approximately 30%. In 1917 the U.S. subsidiary Merck & Co. was expropriated and has been an independent company ever since. For more information about Merck, visit [http://www.merckgroup.com www.merckgroup.com].