SUPPLEMENT DATED FEBRUARY 4, 1999
TO SUPPLEMENTS DATED OCTOBER 26, OCTOBER 13, AUGUST 17,
JULY 16, MAY 22, MAY 4, APRIL 3, APRIL 1, MARCH 23,
FEBRUARY 25, AND JANUARY 21, 1998, AND DECEMBER 19, 1997,
TO PROSPECTUS DATED NOVEMBER 26, 1997
COSTCO COMPANIES, INC.
The following table sets forth certain information as of February 4,
1999 concerning additional securities that were acquired by Goldman, Sachs & Co.
since it was last named as a Selling Securityholder in the Prospectus or the
Prospectus Supplements.
Face Amount of Notes Shares of Common Stock
Owned Prior to Offering($) Owned Prior to Offering 1
Selling Securityholder
Goldman, Sachs & Co. $5,750,000 2 65,288 2
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1 Includes the Shares into which the Notes are convertible.
2 Includes securities previously registered, without adjustment for
securities that may have been sold.
The date of this Prospectus Supplement is February 4, 1999.
