FILED PURSUANT TO RULE 424(b)(3) AND (c)
FILE NUMBER 333-61413
EIGHTEENTH PROSPECTUS SUPPLEMENT TO PROSPECTUS DATED AUGUST 24, 1998
4,185,124 SHARES
LYCOS, INC.
COMMON STOCK
This Eighteenth Prospectus Supplement (the "Seventeenth Prospectus Supplement")
supplements the Prospectus dated August 24, 1998 (the "Prospectus"), the
Prospectus Supplement dated September 15, 1998 (the "First Prospectus
Supplement"), the Second Prospectus Supplement dated October 28, 1998 (the
"Second Prospectus Supplement"), the Third Prospectus Supplement dated November
12, 1998 (the "Third Prospectus Supplement"), the Fourth Prospectus Supplement
dated November 18, 1998 (the "Fourth Prospectus Supplement"), the Fifth
Prospectus Supplement dated November 19, 1998 (the "Fifth Prospectus
Supplement"), the Sixth Prospectus Supplement dated December 1, 1998 (the "Sixth
Prospectus Supplement"), the Seventh Prospectus Supplement dated December 2,
1998 (the "Seventh Prospectus Supplement"), the Eighth Prospectus Supplement
dated December 4, 1998 (the "Eighth Prospectus Supplement"), the Ninth
Supplement dated December 21, 1998 (the "Ninth Prospectus Supplement"), the
Tenth Prospectus Supplement dated December 28, 1998 (the "Tenth Prospectus
Supplement"), the Eleventh Prospectus Supplement dated January 14, 1999 (the
"Eleventh Prospectus"), the Twelfth Prospectus Supplement dated February 12,
1999 (the "Twelfth Prospectus Supplement"), the Thirteenth Prospectus Supplement
dated March 2, 1999 (the "Thirteenth Prospectus Supplement"), the Fourteenth
Prospectus Supplement dated March 25, 1999 (the "Fourteenth Prospectus
Supplement"), the Fifteenth Prospectus Supplement dated April 27, 1999 (the
"Fifteenth Prospectus"), the Sixteenth Prospectus Supplement dated June 16, 1999
(the "Sixteenth Prospectus Supplement") and the Seventeenth Prospectus
Supplement dated July 6, 1999 (the "Seventeenth Prospectus Supplement") of
Lycos, Inc. ("Lycos" or the "Company") relating to the public offering, which is
not being underwritten, and sale of up to 4,185,124 shares of Common Stock, par
value $0.01 per share (the "Shares") of the Company, which may be offered and
sold from time to time by certain stockholders of the Company or by pledgees,
donees, transferees or other successors in interest that receive such shares as
a gift, partnership distribution or other non-sale related transfer (the
"Selling Stockholders"). The Company will receive no part of the proceeds of
such sales. The Shares were originally issued or reserved for issuance by the
Company in connection with the Company's acquisition of WhoWhere? Inc., a
California corporation, by and through a merger of a wholly-owned subsidiary of
Lycos, What Acquisition Corp., with and into WhoWhere? Inc. (the "Acquisition").
The "Selling Stockholders" Section of the Prospectus, the First Prospectus
Supplement, the Second Prospectus Supplement, the Third Prospectus Supplement,
the Fourth Prospectus Supplement, the Fifth Prospectus Supplement, the
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Sixth Prospectus Supplement, the Seventh Prospectus Supplement, the Eighth
Prospectus Supplement, the Ninth Prospectus Supplement, the Tenth Prospectus
Supplement, the Eleventh Prospectus Supplement, the Twelfth Prospectus
Supplement, the Thirteenth Prospectus Supplement, the Fourteenth Prospectus
Supplement, the Fifteenth Prospectus Supplement, the Sixteenth Prospectus
Supplement and the Seventeenth Prospectus Supplement are hereby supplemented to
reflect the gift made by Safi Qureshey Family Trust to International Islamic
Educational Institute in the amount of 700 shares after the date of the
Prospectus, the First Prospectus Supplement, the Second Prospectus Supplement,
the Third Prospectus Supplement, the Fourth Prospectus Supplement, the Fifth
Prospectus Supplement, the Sixth Prospectus Supplement, the Seventh Prospectus
Supplement, the Eighth Prospectus Supplement, the Ninth Prospectus Supplement,
the Tenth Prospectus Supplement, the Eleventh Prospectus Supplement, the Twelfth
Prospectus Supplement, the Thirteenth Prospectus Supplement, the Fourteenth
Prospectus Supplement, the Fifteenth Prospectus Supplement, the Sixteenth
Prospectus Supplement and the Seventeenth Prospectus Supplement. This Eighteenth
Prospectus Supplement should be read in conjunction with the Prospectus, the
First Prospectus Supplement, the Second Prospectus Supplement, the Third
Prospectus Supplement, the Fourth Prospectus Supplement, the Fifth Prospectus
Supplement, the Sixth Prospectus Supplement, the Seventh Prospectus Supplement,
the Eighth Prospectus Supplement, the Ninth Prospectus Supplement, the Tenth
Prospectus Supplement, the Eleventh Prospectus Supplement, the Twelfth
Prospectus Supplement, the Thirteenth Prospectus Supplement, the Fourteenth
Prospectus Supplement, the Fifteenth Prospectus Supplement, the Sixteenth
Prospectus Supplement and the Seventeenth Prospectus Supplement, and is
qualified by reference to the Prospectus, the First Prospectus Supplement, the
Second Prospectus Supplement, the Third Prospectus Supplement, the Fourth
Prospectus Supplement, the Fifth Prospectus Supplement, the Sixth Prospectus
Supplement, the Seventh Prospectus Supplement, the Eighth Prospectus Supplement,
the Ninth Prospectus Supplement, the Tenth Prospectus Supplement, the Eleventh
Prospectus Supplement, the Twelfth Prospectus Supplement, the Thirteenth
Prospectus Supplement, the Fourteenth Prospectus Supplement, the Fifteenth
Prospectus Supplement, the Sixteenth Prospectus Supplement and the Seventeenth
Prospectus Supplement, except to the extent that the information herein
contained supersedes the information contained in the Prospectus, the First
Prospectus Supplement, the Second Prospectus Supplement, the Third Prospectus
Supplement, the Fourth Prospectus Supplement, the Fifth Prospectus Supplement,
the Sixth Prospectus Supplement, the Seventh Prospectus Supplement, the Eighth
Prospectus Supplement, the Ninth Prospectus Supplement, the Tenth Prospectus
Supplement, the Eleventh Prospectus Supplement, the Twelfth Prospectus, the
Thirteenth Prospectus Supplement, the Fourteenth Prospectus Supplement, the
Fifteenth Prospectus Supplement, the Sixteenth Prospectus Supplement and the
Seventeenth Prospectus Supplement. Capitalized terms used in this Eighteenth
Prospectus Supplement and not otherwise defined herein have the meanings
specified in the Prospectus.
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THE DATE OF THIS EIGHTEENTH PROSPECTUS SUPPLEMENT IS JULY 8, 1999
SELLING STOCKHOLDERS
On June 17, 1999, seven hundred (700) of the Shares beneficially owned
by Safi Qureshey Family Trust reflected in the Prospectus and the supplements
thereto were gifted to International Islamic Educational Institute. The table of
Selling Stockholders in the Prospectus and the supplements thereto are hereby
amended to reflect such gift and supplemented to specifically include Shares
received in such gift.
