Jamalco Begins Restart Procedures Following Hurricane Melissa

Rhea-AI Summary

Century Aluminum (CENX) said its Jamalco joint venture in Clarendon, Jamaica has begun restart procedures after Hurricane Melissa made landfall on Oct. 29, 2025.

Jamalco preemptively curtailed refinery and mine production before the storm. The company reported no injuries and no material damage to its refinery, mines or port operations, and expects to gradually restore production to normal levels over the next few weeks. Century said it does not expect the event to have a material effect on financial results. The company noted it is coordinating support with the Government of Jamaica and partner Clarendon Alumina Production Limited.

No injuries or material damage occurred at Jamalco’s refinery, mines or port operations

CHICAGO, Oct. 29, 2025 (GLOBE NEWSWIRE) -- Century Aluminum’s Jamalco joint venture in Clarendon, Jamaica has started work to resume production following landfall of Hurricane Melissa on Tuesday. As part of its standard hurricane preparedness plan, Jamalco preemptively curtailed production at its refinery and mines over the weekend ahead of landfall. No injuries to employees or material damage occurred at Jamalco’s refinery, mines or port operations.

“I’m proud of the Jamalco team’s preparedness and pre-storm actions which kept our employees safe and helped mitigate the impact of Hurricane Melissa on our facilities,” said Jesse Gary, Century’s President and CEO. “Unfortunately, the hurricane did have a significant impact on Jamaica and we are working with the Government of Jamaica and our partner, Clarendon Alumina Production Limited, to provide support to the communities in which we operate.”

Jamalco expects to increase production to normal levels gradually over the next few weeks. Century does not expect the event to have a material effect on its financial results.

About Century Aluminum Company
Century Aluminum is an integrated producer of bauxite, alumina, and primary aluminum products. Century is the largest producer of primary aluminum in the United States and also operates production facilities in Iceland, the Netherlands and Jamaica. Visit www.centuryaluminum.com for more information.

Cautionary Statement
This press release and statements made by Century Aluminum Company and its management contain "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995, which are subject to the "safe harbor" created by section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). Forward-looking statements are statements about future events and are based on our current expectations. These forward-looking statements may be identified by the words "believe," "expect," "hope," "target," "anticipate," "intend," "plan," "seek," "estimate," "potential," "project," "scheduled," "forecast" or words of similar meaning, or future or conditional verbs such as "will," "would," "should," "could," "might," or "may." Where we express an expectation or belief as to future events or results, such expectation or belief is expressed in good faith and believed to have a reasonable basis. However, our forward-looking statements are based on current expectations and assumptions that are subject to risks and uncertainties which may cause actual results to differ materially from future results expressed, projected, or implied by those forward-looking statements. Important factors that could cause actual results and events to differ from those described in such forward-looking statements can be found in the risk factors and forward-looking statements cautionary language contained in our Annual Report on Form 10-K, our Quarterly Reports on Form 10-Q and in other filings made with the Securities and Exchange Commission. Although we have attempted to identify those material factors that could cause actual results or events to differ from those described in such forward-looking statements, there may be other factors that could cause actual results or events to differ from those anticipated, estimated or intended. Many of these factors are beyond our ability to control or predict. Given these uncertainties, the reader is cautioned not to place undue reliance on our forward-looking statements. We undertake no obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events, or otherwise.

Contact
Investors: Ryan Crawford, investors@centuryaluminum.com, 312-696-3132
Media: Tawn Earnest, tawn.eanest@centuryaluminum.com, 614-698-6351

FAQ

What did Century Aluminum (CENX) announce about Jamalco after Hurricane Melissa on Oct. 29, 2025?

Century said Jamalco has begun restart procedures, reported no injuries or material damage, and expects production to return to normal gradually over the next few weeks.

Will the Hurricane Melissa outage materially affect Century Aluminum (CENX) financial results?

Century stated it does not expect a material effect on its financial results from the Jamalco disruption.

How long will it take Jamalco (CENX) to resume normal production after Hurricane Melissa?

Jamalco expects to gradually increase production to normal levels over the next few weeks.

Were there any injuries or major damage at Jamalco (CENX) following Hurricane Melissa?

No — the company reported no injuries and no material damage at its refinery, mines, or port operations.

Is Century Aluminum (CENX) providing community support in Jamaica after Hurricane Melissa?

Yes — Century said it is working with the Government of Jamaica and partner Clarendon Alumina Production Limited to provide support to local communities.