Notification of Removal from Listing and/or Registration
UNITED
STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON,
D.C. 20549
FORM
25
NOTIFICATION
OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER
SECTION
12(b) OF THE SECURITIES EXCHANGE ACT OF 1934
Commission
File Number 1-13739
UNISOURCE
ENERGY CORPORATION and
NYSE
ARCA, INC. (formerly the Pacific Exchange, Inc.)
(Exact
name of Issuer as specified in its charter, and
name
of
Exchange where security is listed and/or registered)
One
South Church Avenue, Suite 100
Tucson,
AZ 85701
(520)
571-4000
(Address,
including zip code, and telephone number,
including
area code, of Issuer’s principal executive offices)
Common
Stock, no par value
(Description
of class of securities)
Please
place an X in the box to designate the rule provision relied upon to strike
the
class of securities from listing and registration:
[
] 17
CFR
240.12d2-2(a)(1)
[
] 17
CFR
240.12d2-2(a)(2)
[
] 17
CFR
240.12d2-2(a)(3)
[
] 17
CFR
240.12d2-2(a)(4)
[
] Pursuant
to 17 CFR 240.12d2-2(b), the Exchange has complied with its rules to strike
the
class of securities from listing and/or withdraw registration on the Exchange.
(1)
[x] Pursuant
to 17 CFR 240.12d2-2(c), the Issuer has complied with the rules of the Exchange
and the requirements of 17 CFR 240.12d2-2(c) governing the voluntary withdrawal
of the class of securities from listing and registration on the
Exchange.
(1) Form
25
and attached Notice will be considered compliance with the provisions of 17
CFR
240.19d-1 as applicable. See General Instructions.
Pursuant
to the requirements of the Securities Exchange Act of 1934, UniSource Energy
Corporation certifies that it has reasonable grounds to believe that it meets
all of the requirements for filing the Form 25 and has caused this notification
to be signed on its behalf by the undersigned duly authorized
person.
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Date:
November 20, 2006
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UNISOURCE
ENERGY CORPORATION
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/s/
Kevin P. Larson
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Senior
Vice President and
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Principal
Financial Officer
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