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EXHIBIT B
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that I, GEORGE SOROS, hereby make, constitute
and appoint each of MICHAEL C. NEUS and RICHARD D. HOLAHAN, JR. acting
individually, as my agent and attorney-in-fact for the purpose of executing in
my name, (a) in my personal capacity or (b) in my capacity as Chairman of,
member of or in other capacities with Soros Fund Management LLC ("SFM LLC") and
each of its affiliates or entities advised by me or SFM LLC, all documents,
certificates, instruments, statements, filings and agreements ("documents") to
be filed with or delivered to any foreign or domestic governmental or regulatory
body or required or requested by any other person or entity pursuant to any
legal or regulatory requirement relating to the acquisition, ownership,
management or disposition of securities or other investments, and any other
documents relating or ancillary thereto, including but not limited to, all
documents relating to filings with the United States Securities and Exchange
Commission (the "SEC") pursuant to the Securities Act of 1933 or the Securities
Exchange Act of 1934 (the "Act") and the rules and regulations promulgated
thereunder, including: (1) all documents relating to the beneficial ownership of
securities required to be filed with the SEC pursuant to Section 13(d) or
Section 16(a) of the Act including, without limitation: (a) any acquisition
statements on Schedule 13D or Schedule 13G and any amendments thereto, (b) any
joint filing agreements pursuant to Rule 13d-1(k), and (c) any initial
statements of, or statements of changes in, beneficial ownership of securities
on Form 3, Form 4 or Form 5 and (2) any information statements on Form 13F
required to be filed with the SEC pursuant to Section 13(f) of the Act.
All past acts of the attorney-in-fact in furtherance of the foregoing are hereby
ratified and confirmed.
This power of attorney shall be valid from the date hereof until revoked by me.
IN WITNESS WHEREOF, I have executed this instrument as of the 27th day of
January, 2000.
/s/ George Soros
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GEORGE SOROS
