Bucyrus International, Inc. (Nasdaq: BUCY) Announces Fourth Quarter 2006 Earnings Release and Conference Call

SOUTH MILWAUKEE, Wis., Jan. 22 /PRNewswire-FirstCall/ — Bucyrus International, Inc. (NASDAQ:BUCY) , a world leader in the design and manufacture of equipment for the surface mining industry, will release its fourth quarter 2006 earnings report after the close of business on Thursday, February 15, 2007. Bucyrus’ quarterly teleconference to discuss fourth quarter 2006 results will be held on Friday, February 16, 2007, at 11:00a.m. Eastern Time (10:00a.m. Central Time).

Those wishing to participate in the teleconference, and calling from within the United States, can dial 866.510.0705. International participants can access the teleconference by dialing 617.597.5363. The “Participant Passcode” is 11387595. A replay of the teleconference will be available until March 2, 2007 and can be accessed in the United States by dialing 888.286.8010 or at 617.801.6888 from outside of the United States. The “Passcode” for the replay is 37329694.

This teleconference will also be available as a live audio “webcast”. To access the webcast please go to http://www.bucyrus.com/invest.jsp or find the link under the Investor Relations / Investor Conferences section of http://www.bucyrus.com/ . (Windows Media Player is required to play the webcast.) A replay of the webcast will be available until March 16, 2007.

Bucyrus International, Inc. designs, manufactures and markets walking draglines, electric mining shovels and rotary blasthole drills used throughout the world for the surface mining of copper, coal, oil sands, iron ore and other minerals. In addition, Bucyrus provides OEM parts and services for those machines. Bucyrus’ corporate offices are located in South Milwaukee, Wisconsin, USA. For additional information please go to http://www.bucyrus.com/ .

Statements contained in this press release that are not based on current or historical fact are forward-looking in nature. Such forward-looking statements are based on current plans, estimates and expectations and are made pursuant to the Private Securities Litigation Reform Act of 1995. Forward- looking statements are based on known and unknown risks, assumptions, uncertainties and other factors. The factors that could adversely affect Bucyrus’ actual results and performance are discussed in Bucyrus’ Form 10-K for the year ended December 31, 2005 and subsequent reports filed with the Securities and Exchange Commission, which interested parties are urged to review. Bucyrus’ actual results, performance, or achievements may differ materially from any future results, performance, or achievements expressed or implied by such forward-looking statements. Bucyrus undertakes no obligation to publicly update or revise any forward-looking statements.