POWER OF ATTORNEY

POWER OF ATTORNEY


I hereby appoint Richard B. Alsop, Judith A. Witterschein,
Cara I. Londin, Mason A. Reeves, Gale Chang, Pia K. Thompson
and Margaret E. Nelson to act individually as my agent and
attorney-in-fact for the purpose of completing,executing and
filing on my behalf with the Securities and Exchange Commission,
the New York Stock Exchange, Inc. or any other exchange or self
regulatory body,any Form 3 "Initial Statement of Beneficial
Ownership of Securities", Form 4 "Statement of Changes in
Beneficial Ownership of Securities", Form 5 "Annual Statement
of Beneficial Ownership of Securities", Form 144 "Notice of
Proposed Sale of Securities", or any other similar form to report
securities ownership that may, in the opinion of any of them be
necessary, with respect to any transaction in securities of
Merrill Lynch & Co., Inc.

Nothing herein shall relieve me of the responsibility for the
accuracy of the information and representations contained in
any Form 3, Form 4, Form 5, Form 144 or other similar form
completed, executed and filed pursuant to this power of attorney.

This power of attorney shall supersede all similar prior powers
of attorney and will remain effective as to the agents and
attorneys-in-fact referred to above until I revoke or amend
it by written notice to such persons.



/s/ Thomas J. Sanzone

Thomas J. Sanzone



State of New York
County of New York

Sworn to before me this 8th

day of July, 2008.





/s/ Taquana M. Bailey



Notary







Taquana M. Bailey
Notary Public, State of New York
No.01BA6012141, Qualified in Nassau County
Certificate Filed in New York County
Commission Expires August 17, 2010