U.S. Mine Makers, Inc. Corrects Previous Announcement of Dividend Details

PALM DESERT, Calif., Jan. 22, 2008 (PRIME NEWSWIRE) -- U.S. Mine Makers, Inc.
(Pink Sheets:UCMC) (formerly Uranium City Mining Corporation) announces
correction of its January 17, 2008 press release regarding the spinout of the
company's wholly owned subsidiary "Nitro Lube Canada, Ltd." (a British Columbia
corporation) as a partial self-liquidating dividend to its shareholders. The
Shareholders will receive one share of Nitro Lube Canada, Ltd. for each share
owned (I for 1) in Uranium City Mining Corporation (UCMC), now U.S. Mine Makers,
Inc. The record date for this dividend is the close of business on January 25,
2008. This corrects the misstatement previously issued in connection with the
partial self-liquidating dividend.

About Nitro Canada, Ltd.

Nitro Lube Canada, Ltd. is engaged in the business of manufacturing and
worldwide marketing of ultra performance lubricants and fuel conditioners
designed to perform in extreme temperatures. All products produced and sold by
the company contain the revolutionary "PMF 2000" formula. Nitro Lube Canada,
Ltd. has offices in Langley, B.C. and maintains a website at:
http://www.nitrolube.com

U.S. Mine Makers, Inc. (formerly Uranium City Mining Corporation)

U.S. Mine Makers, Inc. is a mining and exploration company with executive
offices in Palm Desert, California. Besides its own precious metals mining
operations, the company also prides itself as an 'eco-friendly' mine restoration
company that uses its own modern technology to clean up toxic mine sites. The
company motto is, "We Clean the Planet - One Mine Site at a Time." U.S Mine
Makers, Inc. maintains a web site at: www.usminemakers.com

This press release contains statements which may constitute "forward-looking
statements" within the meaning of the Securities Act of 1933 and the Securities
Exchange Act of 1934, as amended by the Private Securities Litigation Reform Act
of 1995. Those statements include statements regarding the intent, belief or
current expectations of Nitro Lube, Inc., and members of management as well as
the assumptions on which such statements are based. Prospective investors are
cautioned that any such forward-looking statements are not guarantees of future
performance and involve risks and uncertainties, and actual results may differ
materially from those contemplated by such forward-looking statements. These
risks and uncertainties include, among other things, volatility of market
prices, product demand, market competition, risks inherent in the Company's
international operations, and the Company's ability to expand. Important factors
currently known to management that could cause actual results to differ
materially from those in forward-statements include fluctuation of operating
results, the ability to compete successfully and the ability to complete
before-mentioned transactions. The company undertakes no obligation to update or
revise forward-looking statements to reflect changed assumptions, the occurrence
of unanticipated events or changes to future operating results.

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CONTACT: U.S. Mine Makers, Inc.
Ron Bell
(760) 360-9547