Supplement, dated January 2, 2002, to the separate Prospectus, dated
     May 1, 2001, of Seligman Global Technology Portfolio (the "Portfolio")
                   of Seligman Portfolios, Inc. (the "Series")
                          offering Class 2 shares only


     The following supersedes and replaces the information set forth on page P-4
of the Portfolio's Prospectus under the caption "Portfolio Management."

     Seligman's Global Technology Group manages the Global Technology Portfolio.
Mr. Richard M. Parower,  Vice  President,  Investment  Officer of Seligman since
April  2000,  is  Co-Portfolio  Manager  of  the  Global  Technology  Portfolio,
responsible for the Fund's US investments.  Prior to joining Seligman, from June
1998 to April 2000, Mr. Parower was a Senior Analyst with Citibank  Global Asset
Management  cover  Global IT Services.  From  September  1995 to June 1998,  Mr.
Parower was a Senior Analyst with Montgomery Asset Management and from June 1993
to September 1995, he was a securities analyst for G.T. Capital Management.  Mr.
Parower is also  Co-Portfolio  Manager of the Seligman Global Technology Fund of
Seligman Global Fund Series, Inc.

     Mr. Steven A. Werber,  who joined  Seligman on January 10, 2000 as a Senior
Vice  President,  is  Co-Portfolio  Manager of the Global  Technology  Portfolio
responsible  for its non-US  investments.  He is a Vice  President  of  Seligman
Portfolios,  Inc.  Prior to joining  Seligman,  Mr.  Werber  was an Analyst  and
Portfolio  Manager at  Fidelity  Investments  International  since  1996.  Prior
thereto,  he was an Associate at Goldman Sachs  International from 1992 to 1996.
Mr.  Werber is also a Vice  President of Seligman  Global Fund Series,  Inc. and
Co-Portfolio Manager of its Seligman Global Technology Fund.

SPGT1S1-1/02-C2