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ONEOK Update on Mont Belvieu, Texas, Incident

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ONEOK (NYSE: OKE) reported that on Oct. 6, 2025 a fire occurred in the heating system of its MB-4 fractionator at the Mont Belvieu, Texas fractionation complex. The fire was limited to MB-4, quickly extinguished, and no employees were injured.

Fractionation operations at the complex were promptly shut down; ONEOK expects to resume complex operations after initial safety reviews, with MB-4 restarting only after repairs. The company does not currently anticipate a material effect on its financial condition, results of operations, or cash flows.

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Positive

  • No employee injuries reported in the Oct. 6, 2025 incident
  • Fire confined to a single unit (MB-4) and quickly extinguished

Negative

  • MB-4 fractionator offline pending repair completion
  • Fractionation operations at the Mont Belvieu complex temporarily shut down

News Market Reaction

-0.38%
1 alert
-0.38% News Effect

On the day this news was published, OKE declined 0.38%, reflecting a mild negative market reaction.

Data tracked by StockTitan Argus on the day of publication.

TULSA, Okla., Oct. 6, 2025 /PRNewswire/ -- ONEOK, Inc. (NYSE: OKE) today announced that on Oct. 6, 2025, a fire occurred in the heating system of ONEOK's MB-4 fractionator, which is one of the facilities located at ONEOK's Mont Belvieu, Texas, fractionation complex.

ONEOK thanks the employees, first responders and community members who worked together to respond quickly to the incident. Employee and community safety remains the company's top priority. No employees sustained injuries in connection with the incident.

Fractionation operations at the complex were promptly shut down, and the fire, which was limited to MB-4, was quickly extinguished. ONEOK anticipates that, after completing initial safety reviews, ONEOK will resume operations of the complex, other than the MB-4 fractionator, which will resume operations following completion of repairs. ONEOK does not currently anticipate that the incident will have a material effect on the company's financial condition, results of operations or cash flows.

 

At ONEOK (NYSE: OKE), we deliver energy products and services vital to an advancing world. We are a leading midstream operator that provides gathering, processing, fractionation, transportation, storage and marine export services. Through our approximately 60,000-mile pipeline network, we transport the natural gas, natural gas liquids (NGLs), refined products and crude oil that help meet domestic and international energy demand, contribute to energy security and provide safe, reliable and responsible energy solutions needed today and into the future. As one of the largest integrated energy infrastructure companies in North America, ONEOK is delivering energy that makes a difference in the lives of people in the U.S. and around the world.

ONEOK is an S&P 500 company headquartered in Tulsa, Oklahoma.

For information about ONEOK, visit the website: www.oneok.com. For the latest news about ONEOK, find us on LinkedIn, Facebook, X and Instagram.

Some of the statements contained and incorporated in this news release are forward-looking statements as defined under federal securities laws. The forward-looking statements relate to our anticipated financial performance, liquidity, market conditions and other matters. We make these forward-looking statements in reliance on the safe harbor protections provided under federal securities laws and other applicable laws.

Forward-looking statements include the items identified in the preceding paragraph, the information concerning possible or assumed future results of our operations and other statements contained or incorporated in this news release identified by words such as "anticipate," "believe," "continue," "could," "estimate," "expect," "forecast," "goal," "guidance," "intend," "may," "might," "outlook," "plan," "potential," "project," "scheduled," "should," "will," "would" and other words and terms of similar meaning.

One should not place undue reliance on forward-looking statements. Known and unknown risks, uncertainties and other factors may cause our actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by forward-looking statements. Those factors may affect our operations, markets, products, services and prices. These and other risks are described in greater detail in Item 1A, Risk Factors, in our most recent Annual Report on Form 10-K and in the other filings that we make with the Securities and Exchange Commission (SEC), which are available on the SEC's website at www.sec.gov. All forward-looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by these factors. Any such forward-looking statement speaks only as of the date on which such statement is made, and, other than as required under securities laws, we undertake no obligation to update publicly any forward-looking statement whether as a result of new information, subsequent events or change in circumstances, expectations or otherwise.

Analyst Contact:

Megan Patterson


918-561-5325

Media Contact:

Alicia Buffer


918-861-3749

 

 

Cision View original content to download multimedia:https://www.prnewswire.com/news-releases/oneok-update-on-mont-belvieu-texas-incident-302576426.html

SOURCE Oneok, Inc.

FAQ

What happened at ONEOK (OKE) Mont Belvieu on Oct. 6, 2025?

A fire occurred in the heating system of the MB-4 fractionator; the fire was limited to MB-4 and extinguished quickly.

Did ONEOK report any injuries from the Oct. 6, 2025 Mont Belvieu incident?

No; ONEOK reported that no employees sustained injuries in connection with the incident.

Will the Oct. 6, 2025 fire affect ONEOK's operations immediately?

Fractionation operations at the complex were promptly shut down; ONEOK expects to resume other units after safety reviews while MB-4 remains offline until repaired.

Does ONEOK (OKE) expect the Oct. 6, 2025 incident to be material to results?

ONEOK stated it does not currently anticipate a material effect on its financial condition, results of operations, or cash flows.

When will MB-4 at ONEOK's Mont Belvieu facility return to service?

ONEOK said MB-4 will resume operations following completion of repairs; no specific restart date was provided.

How can investors get more updates about the OKE Mont Belvieu incident?

Investors can check ONEOK investor relations and company news channels for updates and any subsequent disclosures.
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United States
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