FILED PURSUANT TO RULE 424(b)(3) AND (c)
FILE NUMBER 333-61413
TWENTIETH PROSPECTUS SUPPLEMENT TO PROSPECTUS DATED AUGUST 24, 1998
8,370,248 SHARES
LYCOS, INC.
COMMON STOCK
This Twentieth Prospectus Supplement (the "Nineteenth 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"), the Seventeenth Prospectus Supplement
dated July 6, 1999 (the "Seventeenth Prospectus Supplement"), the Eighteenth
Prospectus Supplement dated July 8, 1999 (the "Eighteenth Prospectus
Supplement") and the Nineteenth Prospectus Supplement dated July 19, 1999 (the
"Nineteenth Prospectus Supplement") of Lycos, Inc. ("Lycos" or the "Company")
relating to the public offering, which is not being underwritten, and sale of up
to 8,370,248 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 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, the Seventeenth Prospectus
Supplement, the Eighteenth Prospectus Supplement and the Nineteenth Prospectus
are hereby supplemented to reflect distribution made by FW Whowhere Investors,
L.P. to (i) Capital Partnership in the amount of 12,557 shares; (ii) David G.
Brown in the amount of 2,854 shares; (iii) Group 31, Inc. in the amount of 713
shares; (iv) J. Taylor Crandall in the amount of 2,140 shares; (v) Mark A.
Wolfson in the amount of 2,854 shares; and (vi) Robert M. Bass in the amount of
50,226 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, the Seventeenth
Prospectus Supplement, the Eighteenth Prospectus Supplement and the Nineteenth
Prospectus Supplement. This Twentieth 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, the Seventeenth Prospectus
Supplement, the Eighteenth Prospectus Supplement and the Nineteenth Prospectus,
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, the
Seventeenth Prospectus Supplement, the Eighteenth Prospectus Supplement and the
Nineteenth 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, the Seventeenth Prospectus Supplement, the Eighteenth Prospectus
Supplement and the Nineteenth Prospectus Supplement. Capitalized terms used in
this Twentieth Prospectus Supplement and not otherwise defined herein have the
meanings specified in the Prospectus.
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THE DATE OF THIS TWENTIETH PROSPECTUS SUPPLEMENT IS AUGUST 26, 1999
SELLING STOCKHOLDERS
On August 25, 1999, of the Shares beneficially owned by FW Whowhere
Investors, L.P. reflected in the Prospectus and the supplements thereto, (i)
12,557 of which were distributed to Capital Partnership; (ii) 2,854 of which
were distributed to David G. Brown; (iii) 713 of which were distributed to Group
31, Inc.; (iv) 2,140 of which were distributed to J. Taylor Crandall; (v) 2,854
of which were distributed to Mark A. Wolfson; and (vi) 50,226 of which were
distributed to Robert M. Bass. The table of Selling Stockholders in the
Prospectus and the supplements thereto are hereby amended to reflect such
distributions and supplemented to specifically include Shares received in such
distributions.
