It is important to note that Caterpillar's actual results may differ materially from those described or implied in its forward-looking statements based on a number of factors, including, but not limited to: (i) global economic conditions and economic conditions in the industries and markets Caterpillar serves; (ii) government monetary or fiscal policies and government spending on infrastructure; (iii) commodity or component price increases and/or limited availability of raw materials and component products, including steel; (iv) Caterpillar's and its customers', dealers' and suppliers' ability to access and manage liquidity; (v) political and economic risks associated with our global operations, including changes in laws, regulations or government policies, currency restrictions, restrictions on repatriation of earnings, burdensome tariffs or quotas, national and international conflict, including terrorist acts and political and economic instability or civil unrest in the countries in which Caterpillar operates; (vi) Caterpillar's and Cat Financial's ability to maintain their respective credit ratings, material increases in either company's cost of borrowing or an inability of either company to access capital markets; (vii) financial condition and credit worthiness of Cat Financial's customers; (viii) inability to realize expected benefits from acquisitions and divestitures, including the acquisition of Bucyrus International, Inc.; (ix) the possibility that the acquisition by Caterpillar of Bucyrus International, Inc. does not close for any reason, including, but not limited to, a failure to obtain required regulatory approvals; (x) international trade and investment policies, such as import quotas, capital controls or tariffs; (xi) the possibility that Caterpillar's introduction of Tier 4 emissions compliant machines and engines is not successful; (xii) market acceptance of Caterpillar's products and services; (xiii) effects of changes in the competitive environment, which may include decreased market share, lack of acceptance of price increases, and/or negative changes to our geographic and product mix of sales; (xiv) union disputes or other employee relations issues; (xv) Caterpillar's ability to successfully implement the Caterpillar Production System or other productivity initiatives; (xvi) adverse changes in sourcing practices of our dealers or original equipment manufacturers; (xvii) compliance costs associated with environmental laws and regulations; (xviii) alleged or actual violations of trade or anti-corruption laws and regulations; (xix) additional tax expense or exposure; (xx) currency fluctuations, particularly increases and decreases in the U.S. dollar against other currencies; (xxi) failure of Caterpillar or Cat Financial to comply with financial covenants in their respective credit facilities; (xxii) increased funding obligations under our pension plans; (xxiii) significant legal proceedings, claims, lawsuits or investigations; (xxiv) imposition of operational restrictions or compliance requirements if carbon emissions legislation and/or regulations are adopted; (xxv) changes in accounting standards or adoption of new accounting standards; (xxvi) adverse effects of natural disasters; and (xxvii) other factors described in more detail under "Item 1A. Risk Factors" in Part I of our Form 10-K filed with the SEC on February 22, 2011 for the year ended December 31, 2010. This filing is available on our website at www.caterpillar.com/secfilings.Caution Concerning Forward-Looking Statements Relating to Bucyrus Statements in this communication that relate to Bucyrus's future plans, objectives, expectations, performance, events and the like may constitute "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Future events, risks and uncertainties, individually or in the aggregate, could cause our actual results to differ materially from those expressed or implied in these forward-looking statements. These forward-looking statements may be identified by the use of predictive, future tense or forward-looking terminology, such as "believes," "anticipates," "expects," "estimates," "intends," "may," "will" or similar terms. The material factors and assumptions that could cause actual results to differ materially from current expectations include, without limitation, the following: (1) the inability to close the merger in a timely manner; (2) the inability to complete the merger due to the failure to obtain stockholder approval and adoption of the merger agreement and approval of the merger or the failure to satisfy other conditions to completion of the merger, including required regulatory approvals; (3) the failure of the transaction to close for any other reason; (4) the effect of the announcement of the transaction on Bucyrus's business relationships, operating results and business generally; (5) the possibility that the anticipated synergies and cost savings of the merger will not be realized, or will not be realized within the expected time period; (6) the possibility that the merger may be more expensive to complete than anticipated, including as a result of unexpected factors or events; (7) diversion of management's attention from ongoing business concerns; (8) general competitive, economic, political and market conditions and fluctuations; (9) actions taken or conditions imposed by the governmental or regulatory authorities; (10) adverse outcomes of pending or threatened litigation or government investigations; (11) the impact of competition in the industries and in the specific markets in which Bucyrus operates; and (12) other factors that may affect future results of the combined company described in the section entitled "Risk Factors" in the proxy statement to be mailed to Bucyrus's stockholders Bucyrus's filings with the SEC that are available on the SEC's web site located at http://www.sec.gov, including the section entitled "Risk Factors" in Bucyrus's Annual Report on Form 10-K for the fiscal year ended December 31, 2009. Readers are strongly urged to read the full cautionary statements contained in those materials. All forward-looking statements attributable to Bucyrus are expressly qualified in their entirety by the foregoing cautionary statements. We assume no obligation to update any forward-looking statements to reflect events that occur or circumstances that exist after the date on which they were made. SOURCE Caterpillar Inc.