THE MOSAIC COMPANY ANNOUNCES EXECUTIVE LEADERSHIP CHANGES

Mosaic will transition its EVP – Operations role to current CAO Walt Precourt on December 1, with outgoing EVP Karen Swager retiring in 2027.

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The Mosaic Company (MOS) announced that Executive Vice President – Operations Karen Swager plans to retire, and Walt Precourt, currently Senior Vice President and Chief Administrative Officer, will become Executive Vice President – Operations effective December 1, 2026.

Swager will remain a senior advisor until her retirement in the second quarter of 2027. Precourt, who joined Mosaic in 2009 and has served on the Executive Leadership Team since 2014, will also lead the company’s Environmental, Health and Safety function and continue to be based in Mosaic’s Tampa executive office.

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TAMPA, Fla., Sept. 23, 2026 /PRNewswire/ -- The Mosaic Company (NYSE: MOS) today announced that Karen Swager, Executive Vice President – Operations, plans to retire. Walt Precourt, Senior Vice President and Chief Administrative Officer (CAO) will assume the role of Executive Vice President – Operations effective December 1. Ms. Swager will continue to serve as a senior advisor until her retirement in the second quarter of 2027.

Mr. Precourt joined Mosaic in 2009 and has led the company's phosphate and potash businesses, as well as its Environmental, Health and Safety (EHS) and Strategy work. In his current role as CAO, Mr. Precourt leads the company's Procurement, Human Resources, Public Affairs and Global Business Services groups. He has been a member of the company's Executive Leadership Team since 2014.

"I am pleased that Walt will lead our operations as we continue to navigate challenging business conditions, especially in phosphate," said President and CEO Bruce Bodine. "Walt's thoughtful leadership and thorough knowledge of Mosaic's complex operations are well known and widely appreciated across the company. I have every confidence that he will build on Karen's legacy of steady improvements at our operating sites."

In addition to leading global operations, Mr. Precourt will lead the company's EHS function. He will continue to be based in Mosaic's Tampa executive office.

Ms. Swager's career at Mosaic and predecessor companies spans over three decades. She served as General Manager of several Mosaic operating facilities, led the potash business and the company's supply chain, and assumed the role of EVP – Operations in 2023.

"Karen has had a remarkable career at Mosaic," Mr. Bodine said. "Her legacy of leading with heart and courage, and of driving safety, efficiency and value, will be forever etched in our company's history. I know that everyone at Mosaic joins me in wishing her all the best in retirement."

About The Mosaic Company

The Mosaic Company (NYSE: MOS) helps the world grow the food it needs. Headquartered in Tampa, Florida, Mosaic is a leading producer and marketer of potash and phosphate fertilizer which are essential inputs for the world's farmers. Through the Mosaic Biosciences platform, the company is advancing the next generation of biological solutions designed to improve nutrient use efficiency, strengthen crop performance, and support more sustainable agricultural systems. As a Fortune 500 company with 13,000 employees serving customers in more than 40 countries, Mosaic is helping build resilient and productive food systems for the future.

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SOURCE The Mosaic Company