Supplement No. 1 dated October 1, 1999
to
Statement of Additional Information dated May 1, 1999
for
State Street Research Investment Trust
a series of State Street Research Master Investment Trust
Purchase and Redemption of Shares
The following is hereby added at page 34 of the Statement of Additional
Information as the final paragraph under the caption "Purchase and Redemption of
Shares":
"Special Offering Period. During a Special Offering Period
commencing October 1, 1999 through December 31, 1999, the minimum
initial investment for accounts opened by persons eligible to receive
the Alaska Permanent Fund Dividend is reduced to $1,000. This Special
Offering is subject to related administrative policies established by
the Distributor. The Fund reserves the right to accept any such new
investments or suspend such sale of shares or otherwise modify or
extend the above terms at any time without further notice or supplement
to this Statement of Additional Information."
