<PAGE>
SEI LIQUID ASSET TRUST
SEI TAX EXEMPT TRUST
SEI DAILY INCOME TRUST
SEI INDEX FUNDS
SEI INSTITUTIONAL MANAGED TRUST
SEI INSTITUTIONAL INTERNATIONAL TRUST
SEI ASSET ALLOCATION TRUST
SEI INSTITUTIONAL INVESTMENTS TRUST
SEI INSURANCE PRODUCTS TRUST
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned trustee and/or
officer of the above referenced fund (the "Trust"), a business trust organized
under the laws of The Commonwealth of Massachusetts, hereby constitutes and
appoints Edward D. Loughlin, Todd B. Cipperman and Mark E. Nagle, each of them
singly, her true and lawful attorney-in-fact and agent with full power of
substitution and resubstitution, to sign for her and in her name, place and
stead, and in the capacity indicated below, to sign any and all Registration
Statements and all amendments thereto relating to the offering of the Trust's
shares under the provisions of the Investment Company Act of 1940 and/or the
Securities Act of 1933, each such Act as amended, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, acting alone, full power and authority to do and
perform each and every act and thing requisite or necessary to be done in and
about the premises, as fully to all intents and purposes as he might or could do
in person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them, or their substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal
as of the date set forth below.
/s/ William M. Doran Date: 3/28/2000
------------------------- -------------------
William M. Doran, Trustee
<PAGE>
SEI LIQUID ASSET TRUST
SEI TAX EXEMPT TRUST
SEI DAILY INCOME TRUST
SEI INDEX FUNDS
SEI INSTITUTIONAL MANAGED TRUST
SEI INSTITUTIONAL INTERNATIONAL TRUST
SEI ASSET ALLOCATION TRUST
SEI INSTITUTIONAL INVESTMENTS TRUST
SEI INSURANCE PRODUCTS TRUST
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned trustee and/or
officer of the above referenced fund (the "Trust"), a business trust organized
under the laws of The Commonwealth of Massachusetts, hereby constitutes and
appoints Edward D. Loughlin, Todd B. Cipperman and Mark E. Nagle, each of them
singly, his true and lawful attorney-in-fact and agent with full power of
substitution and resubstitution, to sign for him and in his name, place and
stead, and in the capacity indicated below, to sign any and all Registration
Statements and all amendments thereto relating to the offering of the Trust's
shares under the provisions of the Investment Company Act of 1940 and/or the
Securities Act of 1933, each such Act as amended, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, acting alone, full power and authority to do and
perform each and every act and thing requisite or necessary to be done in and
about the premises, as fully to all intents and purposes as he might or could do
in person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them, or their substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal
as of the date set forth below.
/s/ F. Wendell Gooch Date: 3/28/2000
------------------------- -------------------
F. Wendell Gooch, Trustee
<PAGE>
SEI LIQUID ASSET TRUST
SEI TAX EXEMPT TRUST
SEI DAILY INCOME TRUST
SEI INDEX FUNDS
SEI INSTITUTIONAL MANAGED TRUST
SEI INSTITUTIONAL INTERNATIONAL TRUST
SEI ASSET ALLOCATION TRUST
SEI INSTITUTIONAL INVESTMENTS TRUST
SEI INSURANCE PRODUCTS TRUST
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned trustee and/or
officer of the above referenced fund (the "Trust"), a business trust organized
under the laws of The Commonwealth of Massachusetts, hereby constitutes and
appoints Edward D. Loughlin, Todd B. Cipperman and Mark E. Nagle, each of them
singly, his true and lawful attorney-in-fact and agent with full power of
substitution and resubstitution, to sign for him and in his name, place and
stead, and in the capacity indicated below, to sign any and all Registration
Statements and all amendments thereto relating to the offering of the Trust's
shares under the provisions of the Investment Company Act of 1940 and/or the
Securities Act of 1933, each such Act as amended, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, acting alone, full power and authority to do and
perform each and every act and thing requisite or necessary to be done in and
about the premises, as fully to all intents and purposes as he might or could do
in person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them, or their substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal
as of the date set forth below.
/s/ James M. Storey Date: 4/7/2000
------------------------- -------------------
James M. Storey, Trustee
<PAGE>
SEI LIQUID ASSET TRUST
SEI TAX EXEMPT TRUST
SEI DAILY INCOME TRUST
SEI INDEX FUNDS
SEI INSTITUTIONAL MANAGED TRUST
SEI INSTITUTIONAL INTERNATIONAL TRUST
SEI ASSET ALLOCATION TRUST
SEI INSTITUTIONAL INVESTMENTS TRUST
SEI INSURANCE PRODUCTS TRUST
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned trustee and/or
officer of the above referenced fund (the "Trust"), a business trust organized
under the laws of The Commonwealth of Massachusetts, hereby constitutes and
appoints Edward D. Loughlin, Todd B. Cipperman and Mark E. Nagle, each of them
singly, his true and lawful attorney-in-fact and agent with full power of
substitution and resubstitution, to sign for him and in his name, place and
stead, and in the capacity indicated below, to sign any and all Registration
Statements and all amendments thereto relating to the offering of the Trust's
shares under the provisions of the Investment Company Act of 1940 and/or the
Securities Act of 1933, each such Act as amended, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, acting alone, full power and authority to do and
perform each and every act and thing requisite or necessary to be done in and
about the premises, as fully to all intents and purposes as he might or could do
in person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them, or their substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal
as of the date set forth below.
/s/ Robert A. Nesher Date: 3/26/2000
------------------------- -------------------
Robert A. Nesher, Trustee
<PAGE>
SEI LIQUID ASSET TRUST
SEI TAX EXEMPT TRUST
SEI DAILY INCOME TRUST
SEI INDEX FUNDS
SEI INSTITUTIONAL MANAGED TRUST
SEI INSTITUTIONAL INTERNATIONAL TRUST
SEI ASSET ALLOCATION TRUST
SEI INSTITUTIONAL INVESTMENTS TRUST
SEI INSURANCE PRODUCTS TRUST
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned trustee and/or
officer of the above referenced fund (the "Trust"), a business trust organized
under the laws of The Commonwealth of Massachusetts, hereby constitutes and
appoints Edward D. Loughlin, Todd B. Cipperman and Mark E. Nagle, each of them
singly, his true and lawful attorney-in-fact and agent with full power of
substitution and resubstitution, to sign for him and in his name, place and
stead, and in the capacity indicated below, to sign any and all Registration
Statements and all amendments thereto relating to the offering of the Trust's
shares under the provisions of the Investment Company Act of 1940 and/or the
Securities Act of 1933, each such Act as amended, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, acting alone, full power and authority to do and
perform each and every act and thing requisite or necessary to be done in and
about the premises, as fully to all intents and purposes as he might or could do
in person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them, or their substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal
as of the date set forth below.
/s/ Edward D. Loughlin Date: 3/28/2000
------------------------- -------------------
Edward D. Loughlin, President and
Chief Executive Officer
<PAGE>
SEI LIQUID ASSET TRUST
SEI TAX EXEMPT TRUST
SEI DAILY INCOME TRUST
SEI INDEX FUNDS
SEI INSTITUTIONAL MANAGED TRUST
SEI INSTITUTIONAL INTERNATIONAL TRUST
SEI ASSET ALLOCATION TRUST
SEI INSTITUTIONAL INVESTMENTS TRUST
SEI INSURANCE PRODUCTS TRUST
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned trustee and/or
officer of the above referenced fund (the "Trust"), a business trust organized
under the laws of The Commonwealth of Massachusetts, hereby constitutes and
appoints Edward D. Loughlin, Todd B. Cipperman and Mark E. Nagle, each of them
singly, his true and lawful attorney-in-fact and agent with full power of
substitution and resubstitution, to sign for him and in his name, place and
stead, and in the capacity indicated below, to sign any and all Registration
Statements and all amendments thereto relating to the offering of the Trust's
shares under the provisions of the Investment Company Act of 1940 and/or the
Securities Act of 1933, each such Act as amended, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, acting alone, full power and authority to do and
perform each and every act and thing requisite or necessary to be done in and
about the premises, as fully to all intents and purposes as he might or could do
in person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them, or their substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal
as of the date set forth below.
/s/ George J. Sullivan, Jr. Date: 3/28/2000
------------------------- -------------------
George J. Sullivan, Jr., Trustee
<PAGE>
SEI LIQUID ASSET TRUST
SEI TAX EXEMPT TRUST
SEI DAILY INCOME TRUST
SEI INDEX FUNDS
SEI INSTITUTIONAL MANAGED TRUST
SEI INSTITUTIONAL INTERNATIONAL TRUST
SEI ASSET ALLOCATION TRUST
SEI INSTITUTIONAL INVESTMENTS TRUST
SEI INSURANCE PRODUCTS TRUST
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned trustee and/or
officer of the above referenced fund (the "Trust"), a business trust organized
under the laws of The Commonwealth of Massachusetts, hereby constitutes and
appoints Edward D. Loughlin, Todd B. Cipperman and Mark E. Nagle, each of them
singly, his true and lawful attorney-in-fact and agent with full power of
substitution and resubstitution, to sign for him and in his name, place and
stead, and in the capacity indicated below, to sign any and all Registration
Statements and all amendments thereto relating to the offering of the Trust's
shares under the provisions of the Investment Company Act of 1940 and/or the
Securities Act of 1933, each such Act as amended, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, acting alone, full power and authority to do and
perform each and every act and thing requisite or necessary to be done in and
about the premises, as fully to all intents and purposes as he might or could do
in person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them, or their substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal
as of the date set forth below.
/s/ Rosemarie B. Greco Date: 3/27/2000
------------------------- -------------------
Rosemarie B. Greco, Trustee
<PAGE>
SEI LIQUID ASSET TRUST
SEI TAX EXEMPT TRUST
SEI DAILY INCOME TRUST
SEI INDEX FUNDS
SEI INSTITUTIONAL MANAGED TRUST
SEI INSTITUTIONAL INTERNATIONAL TRUST
SEI ASSET ALLOCATION TRUST
SEI INSTITUTIONAL INVESTMENTS TRUST
SEI INSURANCE PRODUCTS TRUST
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned trustee and/or
officer of the above referenced fund (the "Trust"), a business trust organized
under the laws of The Commonwealth of Massachusetts, hereby constitutes and
appoints Edward D. Loughlin, Todd B. Cipperman and Mark E. Nagle, each of them
singly, his true and lawful attorney-in-fact and agent with full power of
substitution and resubstitution, to sign for him and in his name, place and
stead, and in the capacity indicated below, to sign any and all Registration
Statements and all amendments thereto relating to the offering of the Trust's
shares under the provisions of the Investment Company Act of 1940 and/or the
Securities Act of 1933, each such Act as amended, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, acting alone, full power and authority to do and
perform each and every act and thing requisite or necessary to be done in and
about the premises, as fully to all intents and purposes as he might or could do
in person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them, or their substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal
as of the date set forth below.
/s/ Mark E. Nagle Date: 3/28/2000
------------------------- -------------------
Mark E. Nagle, Controller and
Chief Financial Officer
