AMENDED AND RESTATED SCHEDULE A TO THE CO-ADMINISTRATION AGREEMENT BY AND BETWEEN NORTHERN FUNDS, THE NORTHERN TRUST COMPANY AND FIRST DATA INVESTOR SERVICES GROUP, INC. DATED _______________ __, 1999

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                                                                 EXHIBIT (h)(13)

                               AMENDED AND RESTATED
                                    SCHEDULE A
                                      TO THE
                           CO-ADMINISTRATION AGREEMENT
                                  BY AND BETWEEN
                                 NORTHERN FUNDS,
                            THE NORTHERN TRUST COMPANY
                                       AND
                    FIRST DATA INVESTOR SERVICES GROUP, INC.
                          DATED _______________ __, 1999

Intending to be legally bound, the undersigned hereby amend and restate Schedule
A to the aforesaid Agreement to include the following investment portfolios:


Money Market Fund                               International Fixed Income Fund
U.S. Government Money Market Fund               High Yield Municipal Fund
U.S. Government Select Money Market Fund        High Yield Fixed Income Fund
Tax-Exempt Money Market Fund                    Income Equity Fund
Municipal Money Market Fund                     Stock Index Fund
California Municipal Money Market Fund          Growth Equity Fund
U.S. Government Fund                            Select Equity Fund
Short-Intermediate U.S. Government Fund         Mid Cap Growth Fund
Intermediate Tax-Exempt Fund                    Small Cap Index Fund
California Intermediate Tax-Exempt Fund         Small Cap Fund
Florida Intermediate Tax-Exempt Fund            Small Cap Growth Fund
Fixed Income Fund                               International Growth Equity Fund
Tax-Exempt Fund                                 International Select Equity Fund
Arizona Tax-Exempt Fund                         Technology Fund
California Tax-Exempt Fund                      MarketPower Fund

      All signatures need not appear on the same copy of this Amended and
Restated Schedule A.

            NORTHERN FUNDS                      NORTHERN TRUST COMPANY


              By: _________________________     By: _________________________

              Title: ______________________     Title: ______________________

              Date: _______________________     Date: _______________________


            FIRST DATA INVESTOR SERVICES GROUP, INC.

              By: _________________________

              Title: ______________________

              Date: _______________________