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NORTHWEST PIPELINE LLC

For the period ended Dec 31, 2025. Filed Feb 24, 2026.

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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 24, 2026

WMB$67.46+1.5%Stored close · as of Nov 10, 2026

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

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Contents

Balance Sheets at December 31, 2025 and 2024

Balance Sheet

December 31,
20252024
(Millions)
ASSETS
Current Assets:
Cash and cash equivalents$—$—
Trade accounts and other receivables:
Advances to affiliate218—
Trade4139
Other12
Inventories99
Regulatory assets36
Other current assets and deferred charges86
Total current assets28062
Property, plant, and equipment – net2,2702,129
Regulatory assets8049
Deferred charges and other3029
Total assets$2,660$2,269
LIABILITIES AND MEMBER’S EQUITY
Current Liabilities:
Payables:
Advances from affiliate$—$26
Trade3948
Affiliates1212
Regulatory liabilities2020
Other current liabilities3234
Long-term debt due within one year—85
Total current liabilities103225
Long-term debt748497
Regulatory liabilities225233
Asset retirement obligations152144
Deferred income and other57
Contingent liabilities and commitments (Note 18)
Member’s Equity:
Member’s capital1,3051,074
Retained earnings12289
Total member’s equity1,4271,163
Total liabilities and member’s equity$2,660$2,269
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.