CANONSBURG, Pa., April 23, 2026 /PRNewswire/ -- Core Natural Resources, Inc. (NYSE: CNR) will discuss its first quarter 2026 financial results on an investor conference call on Thursday, May 7, 2026, at 10:00 a.m. Eastern time.

Interested participants may access the conference call by dialing 800-836-8184 approximately five to 10 minutes prior to the start time. For participants calling from an overseas location, please dial +1 646-357-8785. No passcode is needed. The call will also be webcast and will be accessible via the "investor" section of the Core website at http://investors.corenaturalresources.com. Following the live event, a replay will be available on the website.

Core's first quarter 2026 earnings release will be distributed via PR Newswire before the market opens on May 7 and will be posted to the company's website at that time.

About Core

Core Natural Resources, Inc. (NYSE: CNR) is a world-class producer of high-quality metallurgical and high calorific value thermal coals for the global marketplace. Core's highly skilled workforce operates a best-in-sector portfolio of large-scale, low-cost longwall mines, including the Pennsylvania Mining Complex, Leer, Leer South, and West Elk mines, along with one of the world's largest and most productive surface mines, Black Thunder. The company plays an essential role in meeting the world's growing need for steel, infrastructure, and energy, while simultaneously serving the resurgent requirements of the U.S. power generation fleet. Core has an extensive and strategic logistical network – anchored by ownership positions in two East Coast marine export terminals – that provides reliable and efficient access to seaborne markets. The company's deeply ingrained culture is grounded in safety and compliance, continuous improvement, and financial performance, with an emphasis on stakeholder engagement and shareholder returns. Core was created in January 2025 via the merger of long-time industry leaders CONSOL Energy and Arch Resources and is based in Canonsburg, Pennsylvania.

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SOURCE Core Natural Resources