FILED PURSUANT TO RULE 424(b)(3) AND (c)
FILE NUMBER 333-61413
TWELFTH PROSPECTUS SUPPLEMENT TO PROSPECTUS DATED AUGUST 24, 1998
4,185,124 SHARES
LYCOS, INC.
COMMON STOCK
This Twelfth Prospectus Supplement (the "Twelfth 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") and the Eleventh Prospectus Supplement dated January 14, 1999 (the
"Eleventh Prospectus") 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 Sixth Prospectus Supplement, the Seventh Prospectus
Supplement, the Eighth Prospectus Supplement, the Ninth Prospectus Supplement,
the Tenth Prospectus Supplement and the Eleventh Prospectus Supplement are
hereby supplemented to reflect the gift made by Kenneth Goldman/Susan Valeriote
Goldman Trustees of the Goldman/Valeriote Family Trust to Philips Brooks School,
Inc. in the amount of 1,000 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 and the Eleventh Prospectus Supplement. This Twelfth 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 and the Eleventh 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 and the Eleventh 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 and
the Eleventh Prospectus Supplement. Capitalized terms used in this Twelfth
Prospectus Supplement and not otherwise defined herein have the meanings
specified in the Prospectus.
THE DATE OF THIS TWELFTH PROSPECTUS SUPPLEMENT IS FEBRUARY 12, 1999
SELLING STOCKHOLDERS
On February 11, 1999, one thousand (1,000) of the Shares beneficially
owned by Kenneth Goldman/Susan Valeriote Goldman Trustees of the
Goldman/Valeriote Family Trust reflected in the Prospectus and the supplements
thereto were gifted to Philip Brooks School, Inc. in the amount of 1,000 Shares.
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.
