Supplement, dated January 18, 2007, to the
             Statement of Additional Information, dated May 1, 2006,
                   for Seligman Portfolios, Inc. (the "Fund")
                                on behalf of its
                  Seligman Capital Portfolio (the "Portfolio")


This Supplement supersedes and replaces the supplement, dated November 16, 2006,
to the  Fund's  Statement  of  Additional  Information,  dated  May 1, 2006 (the
"SAI"). The change described below is effective immediately.

Capitalized  terms  used  but not  defined  in this  Supplement  shall  have the
meanings given to such terms in the Fund's SAI.

The first sentence under the caption  "Investment  Strategies and Risk - Foreign
Investment Risk Factors" on page 5 of the SAI is hereby  superseded and replaced
with the following:

Each  of the  Portfolios  may  invest  up to  10% of  total  assets  in  foreign
securities   (except   Seligman   Global   Technology   Portfolio  and  Seligman
International  Growth  Portfolio,  which may  invest  up to 100% of their  total
assets in foreign securities),  except that this 10% limit does not apply to (i)
foreign securities held through  Depositary  Receipts which are traded in the US
or to commercial  paper and  certificates of deposit issued by foreign banks, or
(ii)  Seligman  Capital  Portfolio,  the 10% limit of which is  described in the
Fund's Prospectuses.