EXHIBIT INDEX

(d)(4)   Investment Management Services Agreement, dated Jan. 12, 2006, between
         Registrant, on behalf of RiverSource Income Builder Basic Income Fund,
         RiverSource Income Builder Moderate Income Fund, RiverSource Income
         Builder Enhanced Income Fund, and RiverSource Investments, LLC.

(i)      Opinion and consent of counsel as to the legality of the securities
         being registered.

(q)(1)   Directors' Power of Attorney to sign Amendments to this Registration
         Statement dated Jan. 11, 2006.

(q)(3)   Trustees Power of Attorney to sign Amendments to this Registration
         Statement, dated Jan. 11, 2006.