The Mosaic Company Announces Senior Leadership Change

January 31, 2018

PLYMOUTH, Minn.–(BUSINESS WIRE)–The Mosaic Company (NYSE: MOS) announced today that Rich Mack will step
down from his position as Executive Vice President and Chief Financial
Officer, and leave the company in May of 2018.

Anthony T. “Tony” Brausen will serve as Senior Vice President – Finance
and interim CFO, effective immediately, until the position is filled
permanently. He will also serve as the Company’s designated principal
accounting officer. Tony has led Mosaic’s accounting, financial analysis
and reporting, treasury, tax, information technology and business unit
finance teams.

“On behalf of Mosaic’s Board of Directors and our Senior Leadership
Team, I would like to thank Rich for his 24 years of dedicated service
and his contribution to many aspects of the company, from his Cargill
years prior to Mosaic’s formation through the very promising Vale
Fertilizantes acquisition,” said Joc O’Rourke, President and CEO. “Rich
advanced many strategic initiatives for Mosaic and conducted himself and
led the CFO organization with the highest ethical standards and
integrity. Rich has a broad network and is well respected at Mosaic and
by outside constituents. We wish him all the best in his future
endeavors.

“We are pleased to have Tony serve as interim CFO, and he will continue
in an advisory capacity to the permanent CFO.

“Rich has agreed to continue to provide leadership and oversight of
Mosaic’s investment in Streamsong Resort® through 2019, as an employee
through May 2018 and then pursuant to a management services agreement.
During this period, Rich will continue to focus on the ramp up of the
resort to its full potential. Rich was the vision and driving force
behind this innovative investment, an investment that has grown from an
idea to a world-renowned golf destination and resort. Rich’s passion and
commitment to Streamsong will bring continuity and success to the
resort.”

About The Mosaic Company
The Mosaic Company is one of the
world's leading producers and marketers of concentrated phosphate and
potash crop nutrients. Mosaic is a single source provider of phosphates
and potash fertilizers and feed ingredients for the global agriculture
industry. More information on the company is available at www.mosaicco.com.

This release contains forward-looking statements within the meaning
of the Private Securities Litigation Reform Act of 1995. Such statements
include, but are not limited to, statements about the anticipated
benefits and synergies of our acquisition of the global phosphate and
potash operations of Vale S.A. conducted through Vale Fertilizantes S.A.
(now known as Mosaic Fertilizantes P&K S.A.) (the “Transaction”), other
proposed or pending future transactions or strategic plans and other
statements about future financial and operating results. Such statements
are based upon the current beliefs and expectations of The Mosaic
Company’s management and are subject to significant risks and
uncertainties. These risks and uncertainties include, but are not
limited to: difficulties with realization of the benefits and synergies
of the Transaction, including the risks that the acquired business may
not be integrated successfully or that the anticipated synergies or cost
or capital expenditure savings from the Transaction may not be fully
realized or may take longer to realize than expected, including because
of political and economic instability in Brazil or changes in government
policy in Brazil; the predictability and volatility of, and customer
expectations about, agriculture, fertilizer, raw material, energy and
transportation markets that are subject to competitive and other
pressures and economic and credit market conditions; the level of
inventories in the distribution channels for crop nutrients; the effect
of future product innovations or development of new technologies on
demand for our products; changes in foreign currency and exchange rates;
international trade risks and other risks associated with Mosaic’s
international operations and those of joint ventures in which Mosaic
participates, including the performance of the Wa’ad Al Shamal Phosphate
Company (also known as MWSPC), the ability of MWSPC to obtain additional
planned funding in acceptable amounts and upon acceptable terms, the
timely development and commencement of operations of production
facilities in the Kingdom of Saudi Arabia, and the future success of
current plans for MWSPC and any future changes in those plans; the risk
that protests against natural resource companies in Peru extend to or
impact the Miski Mayo mine, which is operated by an entity in which we
are the majority owner; difficulties with realization of the benefits of
our long term natural gas based pricing ammonia supply agreement with CF
Industries, Inc., including the risk that the cost savings initially
anticipated from the agreement may not be fully realized over its term
or that the price of natural gas or ammonia during the term are at
levels at which the pricing is disadvantageous to Mosaic; customer
defaults; the effects of Mosaic’s decisions to exit business operations
or locations; changes in government policy; changes in environmental and
other governmental regulation, including expansion of the types and
extent of water resources regulated under federal law, carbon taxes or
other greenhouse gas regulation, implementation of numeric water quality
standards for the discharge of nutrients into Florida waterways or
efforts to reduce the flow of excess nutrients into the Mississippi
River basin, the Gulf of Mexico or elsewhere; further developments in
judicial or administrative proceedings, or complaints that Mosaic’s
operations are adversely impacting nearby farms, business operations or
properties; difficulties or delays in receiving, increased costs of or
challenges to necessary governmental permits or approvals or increased
financial assurance requirements; resolution of global tax audit
activity; the effectiveness of Mosaic’s processes for managing its
strategic priorities; adverse weather conditions affecting operations in
Central Florida, the Mississippi River basin, the Gulf Coast of the
United States, Canada or Brazil, and including potential hurricanes,
excess heat, cold, snow, rainfall or drought; actual costs of various
items differing from management’s current estimates, including, among
others, asset retirement, environmental remediation, reclamation or
other environmental regulation, Canadian resources taxes and royalties,
or the costs of the MWSPC, its existing or future funding and Mosaic’s
commitments in support of such funding; reduction of Mosaic’s available
cash and liquidity, and increased leverage, due to its use of cash
and/or available debt capacity to fund financial assurance requirements
and strategic investments; brine inflows at Mosaic’s Esterhazy,
Saskatchewan, potash mine or other potash shaft mines; other accidents
and disruptions involving Mosaic’s operations, including potential mine
fires, floods, explosions, seismic events, sinkholes or releases of
hazardous or volatile chemicals; and risks associated with cyber
security, including reputational loss; as well as other risks and
uncertainties reported from time to time in The Mosaic Company’s reports
filed with the Securities and Exchange Commission. Actual results may
differ from those set forth in the forward-looking statements.