Centerra Gold Reports Explosion at Langeloth; No Fatalities or Significant Environmental Releases

Centerra Gold (NYSE: CGAU) suspended operations at its Langeloth Metallurgical Facility near Pittsburgh after an explosion on January 29, 2026 at ~6:15 p.m. ET caused by an uncontrolled chemical mixture adjacent to the acid plant.

Rhea-AI Summary

Centerra Gold (NYSE: CGAU) suspended operations at its Langeloth Metallurgical Facility near Pittsburgh after an explosion on January 29, 2026 at ~6:15 p.m. ET caused by an uncontrolled chemical mixture adjacent to the acid plant.

No fatalities were reported; two contractors were injured and taken to hospital and two employees were hospitalized for precautionary reasons. There is presently no indication of a significant environmental release. Regulatory agencies have been notified. The company is assessing estimated downtime and will provide updates when more information is available.

Positive

• No fatalities reported from the January 29 explosion
• Company notified relevant regulatory agencies promptly
• No indication of a significant environmental release so far

Negative

• Operations suspended at Langeloth following the explosion
• Two contractors injured and taken to hospital
• Estimated downtime for Langeloth remains undetermined, creating operational uncertainty

Argus Jan 30 session

-14.14% close to close Open Argus

Details

News Market Reaction – CGAU

On Jan 30, the day this news came out, CGAU closed 14.14% below the previous close.

Data tracked by StockTitan Argus for the Jan 30 session.

Market Context

On Jan 30, the day this news came out, the stock closed 14.1% below the previous close. A negative r...

Analysis

On Jan 30, the day this news came out, the stock closed 14.1% below the previous close. A negative reaction despite broader sector weakness would fit a scenario where investors reassessed operational risk after the Langeloth explosion. The company reported injuries and a suspension of operations while still assessing downtime, introducing new uncertainty compared with earlier growth-focused announcements that saw reactions up to +12.21%. Past news had highlighted extended mine life, project economics, buybacks, and dividends, so an operational setback could reasonably have prompted a sharper risk reassessment.

Key Figures

Incident date: January 29, 2026 Incident time: 6:15 p.m. Eastern Time Contractors injured: 2 contractors +1 more

Incident date

January 29, 2026

Date of explosion at Langeloth facility

Incident time

6:15 p.m. Eastern Time

Time of explosion at Langeloth

Contractors injured

2 contractors

Taken to hospital with injuries after explosion

Employees hospitalized

2 employees

Taken to hospital for precautionary reasons

Historical Context

5 past events · Latest: Jan 20

5 events

1. Jan 20

   Permits & expansion

   24h Move

   +12.2%

   Mount Milligan permits extended operations to 2035 with 10% throughput expansion.

2. Jan 19

   Project economics

   24h Move

   +12.2%

   Kemess PEA outlined expanded resources and strong long-term growth potential.

3. Jan 06

   Earnings schedule

   24h Move

   +3.9%

   Announcement of Q4 2025 results release and conference call timetable.

4. Nov 05

   Share repurchase plan

   24h Move

   +1.7%

   Renewed NCIB to repurchase up to 20,129,230 shares through Nov 2026.

5. Oct 28

   Dividend declaration

   24h Move

   +1.7%

   Quarterly dividend of C$0.07 per share totaling about C$14.1M.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

metallurgical facility, acid plant, environmental release, regulatory agencies

4 terms

metallurgical facility technical

"suspended operations at its Langeloth Metallurgical Facility (“Langeloth”) near Pittsburgh"

A metallurgical facility is an industrial plant that converts raw ore or scrap into usable metals and metal products through processes like melting, refining, alloying and casting; think of it as a kitchen that turns raw ingredients into finished food. Investors care because the facility’s output, operating costs, energy use, environmental permits and downtime directly affect a metals producer’s revenue, profit margins and ability to meet contracts, making it a key driver of value and risk.

acid plant technical

"uncontained chemical reaction adjacent to the acid plant. No fatalities were reported"

An acid plant is an industrial facility that produces concentrated inorganic acids (commonly sulfuric, hydrochloric or nitric acid) used as raw materials in fertilizer, mining, chemical and metal‑processing industries. Investors care because these plants are capital‑intensive, highly regulated and tied to commodity cycles and industrial demand — like a power plant for chemicals, their output and operating costs directly affect supplying industries’ margins and a company’s revenue stability.

environmental release regulatory

"Presently, there is no indication of a significant environmental release. The relevant"

An environmental release is when a company lets a substance—such as chemicals, waste, smoke, or wastewater—enter air, land, or water where it can harm people, wildlife, or ecosystems. Investors watch these incidents because they can trigger cleanup bills, fines, legal claims, and damage to reputation, much like a leak in a building that forces expensive repairs and reduces the property’s value.

regulatory agencies regulatory

"The relevant regulatory agencies and authorities have been notified. The Company"

Regulatory agencies are government bodies that set and enforce rules for industries—like referees or traffic lights for markets and products—to protect public safety, fair competition, and accurate information. For investors, their decisions on approvals, inspections, fines or rule changes can change a company’s ability to sell products, add costs, delay projects or affect reputation, making them a key driver of risk and future profits.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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TORONTO, Jan. 30, 2026 (GLOBE NEWSWIRE) -- Centerra Gold Inc. (“Centerra” or the “Company”) (TSX: CG) (NYSE: CGAU) has suspended operations at its Langeloth Metallurgical Facility (“Langeloth”) near Pittsburgh, Pennsylvania following an explosion on January 29, 2026 at approximately 6:15 p.m. Eastern Time, which was a result of an uncontrolled mixture of chemicals leading to an uncontained chemical reaction adjacent to the acid plant. No fatalities were reported, but two contractors were taken to hospital with injuries, and two employees were taken to hospital for precautionary reasons. Presently, there is no indication of a significant environmental release. The relevant regulatory agencies and authorities have been notified. The Company is currently assessing Langeloth’s estimated downtime and will provide an update when more information is available.

About Centerra Gold
Centerra Gold Inc. is a Canadian-based gold mining company focused on operating, developing, exploring and acquiring gold and copper properties in North America, Türkiye, and other markets worldwide. Centerra operates two mines: the Mount Milligan Mine in British Columbia, Canada, and the Öksüt Mine in Türkiye. The Company also owns the Kemess Project in British Columbia, Canada, the Goldfield Project in Nevada, United States, and owns and operates the Molybdenum Business Unit in the United States and Canada. Centerra’s shares trade on the Toronto Stock Exchange (“TSX”) under the symbol CG and on the New York Stock Exchange (“NYSE”) under the symbol CGAU. The Company is based in Toronto, Ontario, Canada.

For more information:
Lisa Wilkinson
Vice President, Investor Relations & Corporate Communications
(416) 204-3780
Lisa.Wilkinson@centerragold.com

Additional information on Centerra is available on the Company’s website at www.centerragold.com, on SEDAR+ at www.sedarplus.ca and EDGAR at www.sec.gov/edgar.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What happened at Centerra Gold's Langeloth facility on January 29, 2026 (CGAU)?

An explosion occurred at approximately 6:15 p.m. ET on January 29, 2026, caused by an uncontrolled chemical mixture adjacent to the acid plant. According to the company, operations were suspended and authorities were notified while the site is assessed for damage and safety risks.

Were there any fatalities or environmental releases at Langeloth after the explosion (CGAU)?

No fatalities were reported following the incident, and there is presently no indication of a significant environmental release. According to the company, two contractors were injured and two employees were hospitalized for precautionary reasons.

How has Centerra (CGAU) responded operationally to the Langeloth explosion?

Centerra suspended operations at the Langeloth Metallurgical Facility immediately after the explosion and notified regulators. According to the company, it is assessing site conditions and estimating downtime before providing further operational updates.

What is the expected downtime for Langeloth and impact on Centerra's operations (CGAU)?

The company has not yet provided an estimated downtime for Langeloth following the explosion. According to the company, it is currently assessing the facility and will provide an update when more information is available, creating near-term uncertainty.

Have authorities been informed and are investigations underway for the Langeloth incident (CGAU)?

Yes. Regulatory agencies and relevant authorities have been notified following the explosion at Langeloth. According to the company, notifications are complete while assessments and any required investigations proceed to determine cause and next steps.