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                  PROSPECTUS SUPPLEMENT DATED NOVEMBER 14, 1997
                           FOR THE ALLIED GROUP, INC.
                           AGENCY STOCK PURCHASE PLAN

The prospectus dated February 11, 1997 (the  "Prospectus") for the ALLIED Group,
Inc.  Agency Stock  Purchase  Plan (the "Plan") is  supplemented  to reflect the
information set forth below. You should keep this Prospectus Supplement with the
Prospectus.

3-FOR-2 STOCK SPLIT

The Company effected a 3-for-2 stock split on November 14, 1997, which increased
the  number of shares  remaining  to be issued  under the Plan from  414,198  to
621,297.



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