State Street Institutional Investment Trust
One Congress Street
Boston, MA 02114
State Street Bank and Trust Company
One Congress Street
Boston, MA 02114
March 6, 2026
Ladies and Gentlemen:
Reference is made to the Amended and Restated Custodian Agreement between us dated February 14, 2001 (the “Agreement”).
Pursuant to the Agreement, this letter is to provide notice of the creation of the following additional series of the State Street Institutional Investment Trust (the “Trust”) as presented in the following chart (the “New Fund”):
| New Fund |
Effective Date | |
| State Street Stablecoin Reserves Money Market Fund | March 6, 2026 |
In accordance with Section 18 of the Agreement, the Trust hereby requests that State Street Bank and Trust Company (the “Custodian”) act as Custodian with respect to the New Fund. As compensation for such services, you shall be entitled to receive from the New Fund the annual fee reflected on the fee schedule to the Agreement. The previous Exhibit B is hereby amended to include the change described above.
Please acknowledge receipt of this letter and your agreement below.
| Very truly yours, | ||
| STATE STREET INSTITUTIONAL INVESTMENT TRUST | ||
| By: | ||
| Name: | Bruce S. Rosenberg | |
| Title: | Treasurer | |
| Accepted: | ||
| STATE STREET BANK AND TRUST COMPANY | ||
| By: | ||
| Name: | Jason O’Neill | |
| Title: | Managing Director | |
EXHIBIT B
PORTFOLIOS
State Street Aggregate Bond Index Fund
State Street Aggregate Bond Index Portfolio
State Street Balanced Index Fund
State Street Emerging Markets Equity Index Fund
State Street Equity 500 Index Fund
State Street Equity 500 Index II Portfolio
State Street Federal Government Money Market Fund
State Street Federal Treasury Money Market Fund
State Street Federal Treasury Plus Money Market Fund
State Street Global All Cap Equity ex-U.S. Index Fund
State Street Global All Cap Equity ex-U.S. Index Portfolio
State Street Hedged International Developed Equity Index Fund
State Street Income Fund
State Street Institutional Treasury Money Market Fund
State Street Institutional Treasury Plus Money Market Fund
State Street Institutional US Government Money Market Fund
State Street International Developed Equity Index Fund
State Street® Prime Money Market ETF
State Street Small/Mid Cap Equity Index Fund
State Street Small/Mid Cap Equity Index Portfolio
State Street Stablecoin Reserves Money Market Fund
State Street Target Retirement 2025 Fund
State Street Target Retirement 2030 Fund
State Street Target Retirement 2035 Fund
State Street Target Retirement 2040 Fund
State Street Target Retirement 2045 Fund
State Street Target Retirement 2050 Fund
State Street Target Retirement 2055 Fund
State Street Target Retirement 2060 Fund
State Street Target Retirement 2065 Fund
State Street Target Retirement 2070 Fund
State Street Target Retirement Fund
State Street Treasury Obligations Money Market Fund
State Street U.S. Core Equity Fund
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