<PAGE>
File No. 333-44677
Rule 424(b)(3)
PROSPECTUS SUPPLEMENT
TO
PROSPECTUS DATED FEBRUARY 6, 1998
KEY ENERGY SERVICES, INC.
30,000 SHARES
COMMON STOCK
Nabors Acquisition Corp. IV, as the selling shareholder is hereby offering
for resale thirty thousand (30,000) shares of Common Stock of Key Energy
Services, Inc., a Maryland corporation. All of the shares are being offered
at $9.625 per share. The shares are being offered by, and are being sold
through ordinary brokerage transactions, with customary commissions being
paid by the selling shareholder in connection with such resale. Key Energy
will not receive any of the proceeds from the resale of the Shares offered
hereby.
The Common Stock is listed on the New York Stock Exchange (the "NYSE") under
the symbol KEG. On July 5, 2000, the closing price of the common stock, as
reported on the exchange, was $8.9375 per share.
FOR A DISCUSSION OF CERTAIN FACTORS THAT SHOULD BE CONSIDERED BY PROSPECTIVE
INVESTORS, SEE "RISK FACTORS" ON PAGE 4 OF OUR PROSPECTUS DATED FEBRUARY 6,
1998.
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Neither the SEC nor any state securities commission has approved these
securities or determined that this prospectus supplement is accurate or
complete. Any representation to the contrary is illegal.
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The date of this prospectus supplement is July 6, 2000.
