Filing search / Sierra Pacific Power Co / "Responsible" / Page 40

10-K/A

EX-31.3

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28 Feb 08

Annual report (amended)

12:00am

10-K/A

EX-31.2

7wmk9dogszhs5tscg4

28 Feb 08

Annual report (amended)

12:00am

10-K/A

EX-31.1

4v8cz kcf

28 Feb 08

Annual report (amended)

12:00am

10-K/A

EX-31.4

dog89o9 os3v

28 Feb 08

Annual report (amended)

12:00am

10-K/A

EX-31.5

owm22wazxx3b0ofikn

28 Feb 08

Annual report (amended)

12:00am

10-K/A

EX-31.6

0k6xpwbp4f1i

28 Feb 08

Annual report (amended)

12:00am

10-K/A

lfdz2 e5css1v4v8

28 Feb 08

Annual report (amended)

12:00am

8-K

EX-99.1

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11 Feb 08

Sierra Pacific Resources Reports 2007 Earnings

12:00am