X0101 EFFECT 33 LIVE 2009-04-17 13:30:00

N-14

0000049697 RIVERSOURCE DIVERSIFIED INCOME SERIES INC 333-157589 0000049697 RIVERSOURCE DIVERSIFIED INCOME SERIES INC S000003362 RiverSource Diversified Bond Fund C000009232 RiverSource Diversified Bond Fund Class A 0001142702 SELIGMAN CORE FIXED INCOME FUND, INC S000002551 SELIGMAN CORE FIXED INCOME FUND INC C000007020 Seligman Core Fixed Income Fund, Class A 0000049697 RIVERSOURCE DIVERSIFIED INCOME SERIES INC S000003362 RiverSource Diversified Bond Fund C000009233 RiverSource Diversified Bond Fund Class B 0001142702 SELIGMAN CORE FIXED INCOME FUND, INC S000002551 SELIGMAN CORE FIXED INCOME FUND INC C000007021 Seligman Core Fixed Income Fund, Class B 0000049697 RIVERSOURCE DIVERSIFIED INCOME SERIES INC S000003362 RiverSource Diversified Bond Fund C000009234 RiverSource Diversified Bond Fund Class C 0001142702 SELIGMAN CORE FIXED INCOME FUND, INC S000002551 SELIGMAN CORE FIXED INCOME FUND INC C000007022 Seligman Core Fixed Income Fund, Class C 0000049697 RIVERSOURCE DIVERSIFIED INCOME SERIES INC S000003362 RiverSource Diversified Bond Fund C000038360 RiverSource Diversified Bond Fund Class R2 0001142702 SELIGMAN CORE FIXED INCOME FUND, INC S000002551 SELIGMAN CORE FIXED INCOME FUND INC C000007024 Seligman Core Fixed Income Fund, Class R 0000049697 RIVERSOURCE DIVERSIFIED INCOME SERIES INC S000003362 RiverSource Diversified Bond Fund C000038362 RiverSource Diversified Bond Fund Class R5 0001142702 SELIGMAN CORE FIXED INCOME FUND, INC S000002551 SELIGMAN CORE FIXED INCOME FUND INC C000008210 Seligman Core Fixed Income Fund, Class I