Brings Together Two Best-in-Sector Operating Platforms with a World-Class Portfolio of High-Quality, Low-Cost, Long-Lived Longwall Coal Mining Assets and Strong Distribution Networks

Reports record quarterly earnings

Delivers nearly 100-percent sequential increase in core metallurgical segment gross margin

Delivers top-tier cost performance and 47-percent sequential increase in gross margin in core metallurgical segment

Maintains world-class execution in core metallurgical segment

Proceeds will fund ongoing buildout of world-class growth project at Leer South

Maintains operational excellence in core metallurgical segment despite virus-related impacts

Demonstrates continued operational excellence in its core metallurgical segment

Leer mine wins Sentinels of Safety Award for large underground mines

Klein to lead Arch's legal and compliance affairs worldwide

-- Terminates thermal asset joint venture with Peabody

Achieves another strong cost performance in its core metallurgical segment

Proceeds will fund ongoing buildout of transformational growth project at Leer South

Launch coincides with company's name change

New Name Highlights Focus on Metallurgical Markets and Global Steel Industry

- Reports metallurgical segment costs at the low end of its guidance range

- Achieves another strong performance from its metallurgical portfolio despite a lower price environment and a major operational transition at Mountain Laurel

- Maintained excellent momentum in core coking coal franchise, with strong volumes and effective cost control

- Achieves Metallurgical segment gross margin of $101.8 million, or a record $53.80 per ton

- JV synergies projected to average approximately $120 million per year over initial 10 years, with NPV of approximately $820 million

Achieves Metallurgical segment gross margin of $91.4 million, or a record $50.95 per ton

Expected to be among largest, lowest-cost, highest-margin U.S. coking coal mines

Ships record coking coal volumes and achieves metallurgical segment gross margin of $98 million or $46.69 per ton

Returns $84 million to shareholders through share repurchases and dividends

Delivers $86 million to shareholders through share repurchases and dividends

Live webcast available

Returns $326 million to shareholders in 2017

Provides $175 million to shareholders through share repurchases and dividends