BILLERICA, Mass.--(BUSINESS WIRE)--Feb. 22, 2006--Millipore Corporation (NYSE:MIL), a leading provider of products and services that improve productivity in the laboratory and in biopharmaceutical manufacturing, today announced it has been added to KLD’s Domini 400 Social Index. The Index consists of 400 U.S. companies and is used by professional investors to identify organizations that exhibit positive social and environmental records. Millipore was chosen for inclusion in the Index based on a variety of factors, including its leadership in community relations, corporate governance, and product quality and safety.