<PAGE>
SEI Daily Income Trust
Money Market Portfolio
Prime Obligation Portfolio
Government Portfolio
Government II Portfolio
Treasury Portfolio
Treasury II Portfolio
Federal Securities Portfolio
Supplement Dated February 1, 1996,
to Prospectus dated May 31, 1995
This supplement provides new and additional information beyond that contained in
the Prospectus and should be retained and read in conjunction with such
Prospectus.
---------------------
Effective February 1, 1996, the fifth sentence of the fourth paragraph in the
"Purchase and Redemption of Shares" section beginning on page 24 is amended and
restated to read as follows:
Net asset value per share is determined daily as of 2:00 p.m. Eastern time on
each Business Day, except that the net asset value per share of the Money
Market, Prime Obligation and Treasury Portfolios is determined as of 4:30 p.m.
Eastern time on each Business Day and the net asset value per share of the
Government Portfolio is determined as of 3:00 p.m. Eastern time on each Business
Day.
---------------------
Effective February 1, 1996, the first sentence in the sixth paragraph in the
"Purchase and Redemption of Shares" section beginning on page 24 is amended and
restated to read as follows:
Shareholders who desire to purchase or redeem from the Money Market, Prime
Obligation or Treasury Portfolios after 2:00 p.m. must contact the Transfer
Agency one week in advance to establish the requisite operational requirements
for late day trading.
---------------------
Effective February 1, 1996, the first sentence in the seventh paragraph in the
"Purchase and Redemption of Shares" section beginning on page 24 is amended and
restated to read as follows:
Shareholders who wish to receive same day acceptance of investment in the Money
Market, Prime Obligation and Treasury Portfolios after 2:00 p.m. must contact
the Transfer Agent before 4:30 p.m. Eastern time to place the trade and must
obtain a wire reference number for each trade.
PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE
CMS-B-001-01
<PAGE>
SEI Daily Income Trust
Corporate Daily Income Portfolio
Government Securities Daily Income Portfolio
Short-Term Mortgage Portfolio
Short Duration Mortgage Portfolio
Short-Term Government Portfolio
Intermediate-Term Government Portfolio
GNMA Portfolio
Class A, B and C Shares
Supplement Dated February 1, 1996,
to Prospectus dated May 31, 1995
This supplement provides new and additional information beyond that contained in
the Prospectus and should be retained and read in conjunction with such
Prospectus.
---------------------
The second sentence of the first paragraph of the Short-Term Mortgage Portfolio
sub-section of the "Investment Objectives and Policies" section on page 14 is
amended and restated to read as follows:
Under normal conditions the Portfolio will invest at least 65% of its total
assets in (i) fixed rate and adjustable rate mortgage-backed securities ("ARMS")
that are either privately issued or guaranteed by the U.S. Government, its
agencies or instrumentalities; (ii) asset-backed securities rated in one of the
two highest rating categories; and (iii) repurchase agreements involving such
obligations.
PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE
SEI-A-094-01
<PAGE>
SEI Daily Income Trust
Supplement Dated February 1, 1996, to
Statement of Additional Information
Dated May 31, 1995
This supplement provides new and additional information beyond that contained in
the Statement of Additional Information and should be retained and read in
conjunction with such Statement of Additional Information.
---------------------
The following language replaces the last sentence of the "Description of
Permitted Investments - Repurchase Agreements" section on page 9 of the
Statement of Additional Information:
Each Portfolio except the Government II and Treasury II may invest in repurchase
agreements.
PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE
SEI-B-045-01