Exhibit 24


POWER OF ATTORNEY

(Rule 144 and Section 16(a) Reporting)


	KNOW ALL PERSONS BY THESE PRESENTS, that the
undersigned, an officer, director and/or shareholder of
Cray Inc. (the "Company"), does hereby constitute
and appoint the Chief Executive Officer, the Chief
Financial Officer and the General Counsel of the
Company, and any one of them or the individual delegated
in writing by them or any of them, as his, her or its
true and lawful attorney and agent to execute in his,
her or its name any and all reports required to be filed
under Rule 144 under the Securities Act of 1933 and
Section 16(a) of the Securities Exchange Act of 1934
with respect to equity securities of the Company; and to
file the same with the Securities and Exchange
Commission and any applicable stock exchange and
national market system; and the undersigned does hereby
ratify and confirm all that said attorneys and agents,
or any of them, shall do or cause to be done by virtue
hereof.
	This Power of Attorney revokes all prior Powers of
Attorney relating to reporting under Rule 144 and
Section 16(a) and shall remain in effect until revoked
by a subsequently filed instrument.

DATED: August 7, 2003


								/s/
								Signature

							Peter J. Ungaro
								Print Name