Cleveland-Cliffs Inc. (NYSE:CLF) was named 2025 GM Supplier of the Year by General Motors at its 34th annual Supplier of the Year event. Cleveland-Cliffs was the only North American steel producer recognized this year. This is the ninth time the company has received the award.

Shilpan Amin, Senior Vice President, Global Chief Procurement and Supply Chain Officer, General Motors stated, "Supplier of the Year is one of those key moments our whole team looks forward to every year because it highlights the partnerships behind every vehicle we build. The results our suppliers deliver throughout the entire product development cycle are central to our ability to deliver world-class vehicles to our customers. When our suppliers, such as Cleveland-Cliffs, lean in with us on new technology and flawless execution, we can move faster, compete harder and unlock more value across the entire supply chain."

Lourenco Goncalves, Cleveland-Cliffs' Chairman, President and Chief Executive Officer said, "It is a tremendous honor for Cleveland-Cliffs -- once again and for the ninth time -- to be recognized by General Motors as a Supplier of the Year. This award distinguishes Cleveland-Cliffs as the leading supplier of automotive steel and the only steel producer in North America recognized by GM this year. We remain fully committed to supporting its North American manufacturing footprint with a secure, dependable domestic supply chain and best-in-class steel products and solutions."

In 2025, GM's 34^th annual Supplier of the Year and Overdrive awards recognize 103 suppliers of several materials and other inputs spanning 14 countries. These suppliers deliver outstanding performance, partnership and innovation in support of GM's global operations. Awardees are selected by a global GM team based on performance across key categories such as safety, innovation, execution, resilience and customer support, along with their alignment to GM's core values and strategic priorities.

About Cleveland-Cliffs Inc.

Cleveland-Cliffs is a leading North America-based steel producer with focus on value-added sheet products, particularly for the automotive industry. The Company is vertically integrated from the mining of iron ore, production of pellets and direct reduced iron, and processing of ferrous scrap through primary steelmaking and downstream finishing, stamping, tooling, and tubing. Headquartered in Cleveland, Ohio, Cleveland-Cliffs employs approximately 25,000 people across its operations in the United States and Canada.

View source version on businesswire.com: https://www.businesswire.com/news/home/20260522122129/en/

MEDIA CONTACT:

Patricia Persico

Senior Director, Corporate Communications

(216) 694-5316

INVESTOR CONTACT:

James Kerr

Director, Investor Relations

(216) 694-7719

Cleveland-Cliffs Awarded 2025 GM Supplier of the Year by General Motors