EX-99.11 2 n49430bexv99w11.txt OPINION AND CONSENT OF COUNSEL AS TO THE LEGALITY OF THE SECURITIES BEING REGISTERED Exhibit 99(11) April 14, 2009 RiverSource Diversified Income Series, Inc. 50606 Ameriprise Financial Center Minneapolis, MN 55474 Gentlemen: I have examined the Articles of Incorporation and the By-Laws of RiverSource Diversified Income Series, Inc. (the Company) and all necessary certificates, permits, minute books, documents and records of the Company, and the applicable statutes of the State of Minnesota, and it is my opinion that the shares sold in accordance with applicable federal and state securities laws will be legally issued, fully paid, and nonassessable. This opinion may be used in connection with this Amendment to the Registration Statement. Sincerely, /s/ Scott R. Plummer ------------------------------------ Scott R. Plummer General Counsel RiverSource Diversified Income Series, Inc.