Series Number: 3

For period ending 2/28/13

48)   Investor, A & C

First $1 billion 0.571%

Next $1 billion 0.519%

Next $3 billion 0.489%

Next $5 billion 0.469%

Next $15 billion 0.456%

Next $25 billion 0.454%

Over $50 billion 0.453%

Institutional

First $1 billion 0.371%

Next $1 billion 0.319%

Next $3 billion 0.289%

Next $5 billion 0.269%

Next $15 billion 0.256%

Next $25 billion 0.254%

Over $50 billion 0.253%

72DD)                      1. Total income dividends for which record date passed during the period

                      Investor Class                                           13,393

                      Institutional Class                                                      1,449           

                      2.  Dividends for a second class of open-end company shares

                                A Class                                           459

                      C Class                                           128

73A)           1. Dividends from net investment income

                      Investor Class                                                      $0.1498

                      Institutional Class                                           $0.1617

           2. Dividends for a second class of open-end company shares

                      A Class                                                      $0.1349

C Class                                            $0.0904

74U)           1. Number of shares outstanding (000's omitted)

                      Investor Class                                           91,060

                      Institutional Class                                                      10,586

2. Number of shares outstanding of a second class of open-end company shares (000's omitted)

                                A Class                                           3,723

                      C Class                                            1,677

74V)           1. Net asset value per share (to nearest cent)

                      Investor Class                                           $12.03

                      Institutional Class                                           $12.03

2. Net asset value per share of a second class of open-end company shares (to nearest cent)

                      A Class                                           $12.03

                                C Class                                            $12.04

Series Number: 4

For period ending 2/28/13

48)         Investor, A & C

First $1 billion 0.571%

Next $1 billion 0.519%

Next $3 billion 0.489%

Next $5 billion 0.469%

Next $15 billion 0.456%

Next $25 billion 0.454%

Over $50 billion 0.453%

      Institutional

First $1 billion 0.371%

Next $1 billion 0.319%

Next $3 billion 0.289%

Next $5 billion 0.269%

Next $15 billion 0.256%

Next $25 billion 0.254%

Over $50 billion 0.253%

72DD)                      1. Total income dividends for which record date passed during the period

                      Investor Class                                           6,495

                      Institutional Class                                           1

           2.  Dividends for a second class of open-end company shares

                                A Class                                           250

                      C Class                                           125

73A)           1. Dividends from net investment income

                        Investor Class                                                                $0.1856

            Institutional Class                                                      $0.1975

           2. Dividends for a second class of open-end company shares

                        A Class                                                                            $0.1710

                        C Class                                                                            $0.1273

74U)           1. Number of shares outstanding (000's omitted)

                      Investor Class                                           34,556

                                Institutional Class                                           3

2. Number of shares outstanding of a second class of open-end company shares (000's omitted)

A Class                                            1,546

                                C Class                                           1,000

74V)           1. Net asset value per share (to nearest cent)

                      Investor Class                                           $11.84

                                Institutional Class                                           $11.84

2. Net asset value per share of a second class of open-end company shares (to nearest cent)

                      A Class                                            $11.84

                      C Class                                            $11.84

Series Number: 5

For period ending 2/28/13

48)         Investor, A & C

First $1 billion 0.601%

Next $1 billion 0.549%

Next $3 billion 0.519%

Next $5 billion 0.499%

Next $15 billion 0.486%

Next $25 billion 0.484%

Over $50 billion 0.483%

Institutional

First $1 billion 0.401%

Next $1 billion 0.349%

Next $3 billion 0.319%

Next $5 billion 0.299%

Next $15 billion 0.286%

Next $25 billion 0.284%

Over $50 billion 0.283%

72DD)                      1. Total income dividends for which record date passed during the period

                      Investor Class                                           10,830

Institutional Class                                           513                      

           2. Dividends for a second class of open-end company shares

                      A Class                                           2,285

                                C Class                                           475

73A)           1. Dividends from net investment income

                      Investor Class                                                      $0.2062

                      Institutional Class                                           $0.2163

2. Dividends for a second class of open-end company shares

                      A Class                                           $0.1935

                      C Class                                           $0.1556

74U)           1. Number of shares outstanding (000's omitted)

Investor Class                                                      55,506

                      Institutional Class                                                      2,726

2. Number of shares outstanding of a second class of open-end company shares (000's omitted)

                      A Class                                           12,858

                      C Class                                           3,154

74V)           1. Net asset value per share (to nearest cent)

                      Investor Class                                           $10.26

                      Institutional Class                                           $10.26

2. Net asset value per share of a second class of open-end company shares (to nearest cent)

                      A Class                                           $10.26

                      C Class                                           $10.26