POWER OF ATTORNEY

The undersigned hereby constitutes and appoints each of Don H. Liu, Karen Boyle and S. K. Lee,
as the undersigned's true and lawful attorney's-in-fact, with full powers to act alone, to execute
and file with the Securities and Exchange Commission and any stock exchange or similar authority one
or more beneficial ownership reports and any and all amendments thereto, together with any and all
exhibits relating thereto including this Power of Attorney, in the name and on behalf of the undersigned,
disclosing the undersigned's beneficial ownership of securities of Xerox Corporation, in connection with
Section 16 and any other provisions of the Securities Exchange Act of 1934, as amended, and the rules
promulgated thereunder (the "SEC Rules"), which reports, amendments and exhibits shall contain such
information as any of Don H. Liu, Karen Boyle, and S. K. Lee deems appropriate.  The undersigned
hereby grants to each such Attorney-in-fact full power and authority to do and perform each and every act
and thing whatsoever that said attorney or attorneys may deem necessary or advisable to carry out fully the
intent of the foregoing  as the undersigned might or could do personally.  The undersigned acknowledges that
none of the foregoing attorneys-in-fact, in serving in such capacity, which the undersigned acknowledges is
at the request of the undersigned, is assuming, nor is Xerox Corporation assuming, any of the undersigned's
responsibilities to comply with the SEC Rules.  This power of attorney shall remain in full force and effect
with respect to each of the foregoing attorneys-in-fact until the undersigned is no longer required to file
any of the aforementioned reports under the SEC Rules, unless earlier revoked by the undersigned in a signed
writing delivered to the applicable attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as of the 2nd day of July 2007.
/s/Robert A. McDonald