3M (NYSE:MMM) announced today that it has completed its acquisition of Ceradyne, Inc. effective as of November 28, 2012, pursuant to the previously announced merger agreement among Ceradyne, 3M, and 3M’s wholly owned subsidiary, Cyborg Acquisition Corporation, through the merger of Cyborg Acquisition Corporation with and into Ceradyne. As a result of the merger, Ceradyne is now a wholly owned subsidiary of 3M. The combination of Ceradyne and 3M will enable new technologies and innovation for uniquely tailored materials requiring advanced ceramics. Ceradyne will join the 3M Advanced Materials Division within 3M’s Industrial Business Group. The 3M Advanced Materials Division provides valued materials for lightweight solutions and materials for performance in harsh environments to customers in a broad array of growth industries. Forward-Looking Statements This news release contains forward-looking information about 3M’s financial results and estimates and business prospects that involve substantial risks and uncertainties. You can identify these statements by the use of words such as “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” “will,” “target,” “forecast” and other words and terms of similar meaning in connection with any discussion of future operating or financial performance or business plans or prospects. Among the factors that could cause actual results to differ materially are the following: (1) worldwide economic and capital markets conditions and other factors beyond 3M’s control, including natural and other disasters affecting the operations of the Company or its customers and suppliers; (2) 3M’s credit ratings and its cost of capital; (3) competitive conditions and customer preferences; (4) foreign currency exchange rates and fluctuations in those rates; (5) the timing and market acceptance of new product offerings; (6) the availability and cost of purchased components, compounds, raw materials and energy (including oil and natural gas and their derivatives) due to shortages, increased demand or supply interruptions (including those caused by natural and other disasters and other events); (7) the impact of acquisitions, strategic alliances, divestitures, and other unusual events resulting from portfolio management actions and other evolving business strategies, and possible organizational restructuring; (8) generating fewer productivity improvements than estimated; (9) security breaches and other disruptions to 3M’s information technology infrastructure; and (10) legal proceedings, including significant developments that could occur in the legal and regulatory proceedings described in 3M’s Annual Report on Form 10-K for the year ended December 31, 2011 and its subsequent quarterly reports on Form 10-Q (the “Reports”). Changes in such assumptions or factors could produce significantly different results. A further description of these factors is located in the Reports under “Cautionary Note Concerning Factors That May Affect Future Results” and “Risk Factors” in Part I, Items 1 and 1A (Annual Report) and in Part I, Item 2 and Part II, Item 1A (Quarterly Report). The information contained in this news release is as of the date indicated. 3M assumes no obligation to update any forward-looking statements contained in this news release as a result of new information or future events or developments.