Exhibit 1(o)

                                   SSGA FUNDS

                               AMENDMENT NO. 15 TO

              THE FIRST AMENDED AND RESTATED MASTER TRUST AGREEMENT

                         RENAMING OF EXISTING SUB-TRUST
                         ESTABLISHMENT OF NEW SUB-TRUST

THIS AMENDMENT NO. 15 to the First Amended and Restated Master Trust Agreement,
dated October 13, 1993 (also referred to as the Agreement and Declaration of
Trust), is made as of the 1st day of June, 2001:

                                   WITNESSETH:

WHEREAS, pursuant to the Agreement, the Trustees have previously established and
designated the SSgA Money Market Fund, SSgA US Government Money Market Fund, the
SSgA S&P 500 Index Fund, SSgA Small Cap Fund, SSgA Matrix Equity Fund, SSgA
International Stock Selection Fund, SSgA International Pacific Index Fund, SSgA
Bond Market Fund, SSgA Yield Plus Fund, SSgA US Treasury Money Market Fund, SSgA
US Treasury Obligations Fund, SSgA Growth and Income Fund, SSgA Intermediate
Fund, SSgA Emerging Markets Fund, SSgA Prime Money Market Fund, SSgA Tax Free
Money Market Fund, SSgA Tuckerman Active REIT Fund, SSgA Life Solutions Income
and Growth Fund, SSgA Life Solutions Balanced Fund, SSgA Life Solutions Growth
Fund, SSgA Special Equity Fund, SSgA High Yield Bond Fund, SSgA International
Growth Opportunities Fund, SSgA Aggressive Equity Fund SSgA IAM SHARES Fund, and
SSgA Intermediate Municipal Bond Fund as 26 sub-trusts of the Trust; and

WHEREAS, the Trustees have the authority under Section 4.1 of the Agreement to
establish and designate additional separate and distinct sub-trusts and to fix
and determine certain relative rights and preferences as between the shares of
the Sub-trusts, without shareholder approval;

WHEREAS, the Trustees hereby desire to establish and designate Datek Money
Market Fund as an additional sub-trust with the relative rights and preferences
set forth in Section 4.2 of the Agreement;

WHEREAS, the Trustees hereby desire to change the name of the the SSgA Matrix
Equity Fund to the SSgA Disciplined Equity Fund;

NOW, THEREFORE, the first paragraph of Section 4.2 of the Agreement is hereby
amended to read in pertinent part as follows:

                  "Section 4.2 ESTABLISHMENT AND DESIGNATION OF SUB-TRUSTS.
         Without limiting the authority of the Trustees set forth in Section 4.1
         to establish and


         designate any further Sub-Trusts, the Trustees hereby establish and
         designate the following Sub-Trusts: SSgA Money Market Fund, SSgA US
         Government Money Market Fund, SSgA S&P 500 Index Fund, SSgA Small Cap
         Fund, SSgA Disciplined Equity Fund, SSgA International Stock Selection
         Fund, SSgA International Pacific Index Fund, SSgA Bond Market Fund,
         SSgA Yield Plus Fund, SSgA US Treasury Money Market Fund, SSgA US
         Treasury Obligations Fund, SSgA Growth and Income Fund, SSgA
         Intermediate Fund, and SSgA Prime Money Market Fund, SSgA Emerging
         Markets Fund, SSgA Tax Free Money Market Fund, SSgA Tuckerman Active
         REIT Fund, SSgA Life Solutions Income and Growth Fund, SSgA Life
         Solutions Balanced Fund, SSgA Life Solutions Growth Fund, SSgA Special
         Equity Fund, SSgA High Yield Bond Fund, SSgA International Growth
         Opportunities Fund, SSgA Aggressive Equity Fund, SSgA IAM SHARES Fund
         SSgA Intermediate Municipal Bond Fund and Datek Money Market Fund. The
         Shares of each Sub-Trust and any Shares of any further Sub-Trusts that
         may from time to time be established and designated by the Trustees
         shall (unless the Trustees otherwise determine with respect to some
         further Sub-Trust at the time of establishing and designating the same)
         have the following relative rights and preferences:"

The undersigned hereby certifies that the Amendment set forth above has been
duly adopted in accordance with the provisions of the Master Trust Agreement.

IN WITNESS WHEREOF, the undersigned has hereunto set his hand as of the day and
year first above written.

                                   SSgA FUNDS

                                   /s/ J. DAVID GRISWOLD
                                   --------------------------------------------
                                   J. David Griswold
                                   Secretary