<TABLE>
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<S> <C>
John Hancock Bank and Thrift Opportunity Fund John Hancock Patriot Preferred Dividend Fund
John Hancock Bond Trust John Hancock Patriot Premium Dividend Fund I
John Hancock California Tax-Free Income Fund John Hancock Patriot Premium Dividend Fund II
John Hancock Cash Reserve, Inc. John Hancock Patriot Select Dividend Trust
John Hancock Current Interest John Hancock Series Trust
John Hancock Institutional Series Trust John Hancock Tax-Free Bond Trust
John Hancock Investment Trust John Hancock Venture Technology Fund
John Hancock Patriot Global Dividend Fund
POWER OF ATTORNEY
The undersigned Trustee/Director/Officer of each of the above listed
Trusts, each a Massachusetts business trust, and Corporations, each a Maryland
Corporation, does hereby severally constitute and appoint Susan S. Newton and
James j. stokowski, and each acting singly, to be my true, sufficient and lawful
attorneys, with full power to each of them, and each acting singly, to sign for
me, in my name and in the capacity indicated below, any Registration Statement
on Form N-1A and any Registration Statement on Form N-14 to be filed by the
Trust under the Investment Company Act of 1940, as amended (the "1940 Act"), and
under the Securities Act of 1933, as amended (the "1933 Act"), and any and all
amendments to said Registration Statements, with respect to the offering of
shares and any and all other documents and papers relating thereto, and
generally to do all such things in my name and on my behalf in the capacity
indicated to enable the Trust to comply with the 1940 Act and the 1933 Act, and
all requirements of the Securities and Exchange Commission thereunder, hereby
ratifying and confirming my signature as it may be signed by said attorneys or
each of them to any such Registration Statements and any and all amendments
thereto.
IN WITNESS WHEREOF, I have hereunder set my hand on this Instrument as
of the 6th day of June, 2000.
/s/Stephen L. Brown /s/ Charles L. Ladner
------------------- ---------------------
Stephen L. Brown, as Trustee and Chairman Charles L. Ladner
/s/ Maureen R. Ford /s/ Steven R. Pruchansky
------------------- ------------------------
Maureen R. Ford, as Trustee, Steven R. Pruchansky
Vice Chairman, President, and Chief Executive Officer
/s/James F. Carlin __________________________
------------------
James F. Carlin Richard S. Scipione
/s/ William H. Cunningham /s/ Norman H. Smith
------------------------- -------------------
William H. Cunningham Norman H. Smith
/s/Ronald R. Dion /s/John P. Toolan
----------------- -----------------
Ronald R. Dion John P. Toolan
/s/Osbert M. Hood
---------------------------
Osbert M. Hood, as Chief Financial Officer
<PAGE>
The Declaration of Trust, a copy of which, together with all amendments
thereto, is on file in the office of the Secretary of State of The Commonwealth
of Massachusetts, provides that no Trustee, officer, employee or agent of the
Trust or any Series thereof shall be subject to any personal liability
whatsoever to any Person, other than to the Trust or its shareholders, in
connection with Trust Property or the affairs of the Trust, save only that
arising from bad faith, willful misfeasance, gross negligence or reckless
disregard of his/her duties with respect to such Person; and all such Persons
shall look solely to the Trust Property, or to the Trust Property of one or more
specific Series of the Trust if the claim arises from the conduct of such
Trustee, officer, employee or agent with respect to only such Series, for
satisfaction of claims of any nature arising in connection with the affairs of
the Trust.
COMMONWEALTH OF MASSACHUSETTS )
)ss
COUNTY OF SUFFOLK )
Then personally appeared the above-named Stephen L. Brown, Maureen L.
Ford, James F. Carlin, William H. Cunningham, Ronald R. Dion, Osbert M. Hood,
Charles L. Ladner, Steven R. Pruchansky, Richard S. Scipione, Norman H. Smith,
and John P. Toolan, who acknowledged the foregoing instrument to be his or her
free act and deed, before me, this 6th day of June, 2000.
/s/Joan O'Neill
---------------
Notary Public
My Commission Expires: 4/14/2006
---------
<PAGE>
John Hancock Bank and Thrift Opportunity Fund John Hancock Patriot Preferred Dividend Fund
John Hancock Bond Trust John Hancock Patriot Premium Dividend Fund I
John Hancock California Tax-Free Income Fund John Hancock Patriot Premium Dividend Fund II
John Hancock Cash Reserve, Inc. John Hancock Patriot Select Dividend Trust
John Hancock Current Interest John Hancock Series Trust
John Hancock Institutional Series Trust John Hancock Tax-Free Bond Trust
John Hancock Investment Trust John Hancock Venture Technology Fund
John Hancock Patriot Global Dividend Fund
POWER OF ATTORNEY
The undersigned Trustee/Director/Officer of each of the above listed
Trusts, each a Massachusetts business trust, and Corporations, each a Maryland
Corporation, does hereby severally constitute and appoint Susan S. Newton and
James j. stokowski, and each acting singly, to be my true, sufficient and lawful
attorneys, with full power to each of them, and each acting singly, to sign for
me, in my name and in the capacity indicated below, any Registration Statement
on Form N-1A and any Registration Statement on Form N-14 to be filed by the
Trust under the Investment Company Act of 1940, as amended (the "1940 Act"), and
under the Securities Act of 1933, as amended (the "1933 Act"), and any and all
amendments to said Registration Statements, with respect to the offering of
shares and any and all other documents and papers relating thereto, and
generally to do all such things in my name and on my behalf in the capacity
indicated to enable the Trust to comply with the 1940 Act and the 1933 Act, and
all requirements of the Securities and Exchange Commission thereunder, hereby
ratifying and confirming my signature as it may be signed by said attorneys or
each of them to any such Registration Statements and any and all amendments
thereto.
IN WITNESS WHEREOF, I have hereunder set my hand on this Instrument as
of the 21st day of June, 2000.
/s/Richard S. Scipione
----------------------
Richard S. Scipione
<PAGE>
The Declaration of Trust, a copy of which, together with all amendments
thereto, is on file in the office of the Secretary of State of The Commonwealth
of Massachusetts, provides that no Trustee, officer, employee or agent of the
Trust or any Series thereof shall be subject to any personal liability
whatsoever to any Person, other than to the Trust or its shareholders, in
connection with Trust Property or the affairs of the Trust, save only that
arising from bad faith, willful misfeasance, gross negligence or reckless
disregard of his/her duties with respect to such Person; and all such Persons
shall look solely to the Trust Property, or to the Trust Property of one or more
specific Series of the Trust if the claim arises from the conduct of such
Trustee, officer, employee or agent with respect to only such Series, for
satisfaction of claims of any nature arising in connection with the affairs of
the Trust.
COMMONWEALTH OF MASSACHUSETTS )
)ss
COUNTY OF SUFFOLK )
Then personally appeared the above-named Richard S. Scipione, who
acknowledged the foregoing instrument to be his free act and deed, before me,
this 21st day of June, 2000.
/s/Joan O'Neill
------------------------------
Notary Public
My Commission Expires: 4/14/2006
s:\general\prwattn\Power of Attorney-Scipione Venture Technology
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