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NORTHWEST NATURAL GAS CO

For the period ended Dec 31, 2025. Filed Feb 27, 2026.

View on SEC.gov

About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 27, 2026

NWN$52.02+0.5%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

See the whole filing, with its images and exhibits
Contents

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. The signature for each undersigned company shall be deemed to relate only to matters having reference to such company and its subsidiaries.

By: /s/ Justin B. Palfreyman

Date: February 27, 2026

By: /s/ Justin B. Palfreyman

Date: February 27, 2026

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the date indicated. The signatures of each of the undersigned shall be deemed to relate only to matters having reference to the below named company and its subsidiaries.

SignatureTitleDate
/s/ Justin B. PalfreymanPrincipal Executive Officer and DirectorFebruary 27, 2026
Justin B. PalfreymanChief Executive Officer
/s/ Raymond Kaszuba IIIPrincipal Financial OfficerFebruary 27, 2026
Raymond Kaszuba IIISenior Vice President and Chief Financial Officer
/s/ Brody J. WilsonPrincipal Accounting OfficerFebruary 27, 2026
Brody J. WilsonVice President, Treasurer, Chief Accounting Officer and Controller
/s/ David H. AndersonDirector)
David H. Anderson)
)
/s/ Peter J. BragdonDirector)
Peter J. Bragdon)
)
/s/ Monica EnandDirector)
Monica Enand)
)
/s/ Karen LeeDirector)
Karen Lee)
)
/s/ Mary E. LudfordDirector)
Mary E. Ludford)
)
/s/ Sandra McDonoughDirectorFebruary 27, 2026
Sandra McDonough)
)
/s/ Nathan I. PartainDirector)
Nathan I. Partain)
)
/s/ Jane L. PeverettDirector)
Jane L. Peverett)
)
/s/ Malia H. WassonDirector)
Malia H. Wasson)
)
/s/ Charles A. WilhoiteDirector)
Charles A. Wilhoite)
SignatureTitleDate
/s/ Justin B. PalfreymanPrincipal Executive Officer and DirectorFebruary 27, 2026
Justin B. PalfreymanChief Executive Officer
/s/ Raymond Kaszuba IIIPrincipal Financial OfficerFebruary 27, 2026
Raymond Kaszuba IIISenior Vice President and Chief Financial Officer
/s/ Brody J. WilsonPrincipal Accounting OfficerFebruary 27, 2026
Brody J. WilsonVice President, Treasurer, Chief Accounting Officer and Controller
/s/ David H. AndersonDirector)
David H. Anderson)
)
/s/ Peter J. BragdonDirector)
Peter J. Bragdon)
)
/s/ David DrinkwardDirector)
David Drinkward)
)
/s/ Monica EnandDirector)
Monica Enand)
)
/s/ Karen LeeDirector)
Karen Lee)
)
/s/ Mary E. LudfordDirector)
Mary E. Ludford)
)
/s/ Sandra McDonoughDirectorFebruary 27, 2026
Sandra McDonough)
)
/s/ Nathan I. PartainDirector)
Nathan I. Partain)
)
/s/ Jane L. PeverettDirector)
Jane L. Peverett)
)
/s/ Malia H. WassonDirector)
Malia H. Wasson)
)
/s/ Charles A. WilhoiteDirector)
Charles A. Wilhoite)
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.