EXHIBIT 77M

MERGERS

FOR RIVERSOURCE DIVERSIFIED INCOME SERIES, INC.

MERGER OF RIVERSOURCE CORE BOND FUND INTO RIVERSOURCE DIVERSIFIED BOND FUND

On March 17, 2008, RiverSource Core Bond Fund (the Selling Fund), a series of
RiverSource Bond Series, Inc. merged into RiverSource Diversified Bond Fund (the
Buying Fund), a series of RiverSource Diversified Income Series, Inc.

BOARD ACTION: Board members of the Selling Fund and the Buying Fund, at meetings
held on September 10-11, 2007, approved an Agreement and Plan of Reorganization
(Agreement). Each Board determined that participation in the reorganization was
in the best interests of the respective Fund and that the interests of existing
shareholders of the respective Fund would not be diluted as a result of the
reorganization.

SHAREHOLDER APPROVAL: The shareholders of the Selling Fund approved the
Agreement between the Selling Fund and the Buying Fund at a special meeting of
shareholders held on January 29, 2008.

TERMS OF THE REORGANIZATION: Under the Agreement, the Selling Fund transferred
all of its assets attributable to Class A, B, C, I, R2, R3, R4, R5 and W shares
to the Buying Fund in exchange for corresponding Class A, B, C, I, R2, R3, R4,
R5 and W shares of the Buying Fund. Those shares were distributed
proportionately to the shareholders of the Selling Fund. The Buying Fund assumed
the liabilities of the Selling Fund. The shareholders did not pay any sales
charge in connection with the distribution of shares. RiverSource Investments,
LLC and its affiliates agreed to bear the costs of effecting the reorganization.