Mosaic Announces Agreement to Sell Mosaic Potash Carlsbad Inc to International Minerals Carlsbad, LLC

The Mosaic Company (NYSE:MOS) signed a definitive agreement to sell Mosaic Potash Carlsbad Inc., including operations, assets and liabilities in Carlsbad, New Mexico, to International Minerals Carlsbad, LLC for a total purchase price of $30 million.

Rhea-AI Summary

The Mosaic Company (NYSE:MOS) signed a definitive agreement to sell Mosaic Potash Carlsbad Inc., including operations, assets and liabilities in Carlsbad, New Mexico, to International Minerals Carlsbad, LLC for a total purchase price of $30 million.

The consideration includes an initial cash payment of $20 million (subject to customary closing adjustments) and $10 million deferred in three equal annual installments beginning in 2029. International Minerals Carlsbad will assume asset retirement obligations and the New Mexico potash and water business plus related intellectual property, including the K-Mag and Dynamate brands. Mosaic expects to close in H1 2026 and to record a non-cash asset impairment in Q4 2025. Lazard Freres & Co. LLC served as Mosaic’s financial advisor.

Positive

• Total deal value of $30 million
• Initial cash proceeds of $20 million at closing
• Deferred consideration of $10 million payable 2029–2031
• Buyer assuming asset retirement obligations for Carlsbad
• Sale transfers K-Mag and Dynamate intellectual property

Negative

• Mosaic to record a non-cash asset impairment in Q4 2025
• Divests US potash operations, concentrating production in Saskatchewan

Argus Dec 22 session

+2.18% close to close Open Argus

Details

News Market Reaction – MOS

On Dec 22, the day this news came out, MOS closed 2.18% above the previous close.

Data tracked by StockTitan Argus for the Dec 22 session.

Key Figures

Total sale price: $30 million Initial cash payment: $20 million Deferred consideration: $10 million +5 more

Total sale price

$30 million

Sale of Mosaic Potash Carlsbad Inc. operations, assets and liabilities

Initial cash payment

$20 million

Initial cash purchase price at closing, subject to adjustments

Deferred consideration

$10 million

Deferred cash in three annual installments beginning in 2029

Installment schedule

3 installments

Equal annual deferred payments starting in 2029

Expected closing window

H1 2026

Target closing period for Carlsbad sale transaction

Non-cash impairment

Undisclosed amount

Mosaic expects a non-cash asset impairment in Q4 2025

Potash legacy

100+ years

Stated legacy of potash industry in New Mexico

Asset retirement obligations

Assumed by buyer

International Minerals Carlsbad takes over Carlsbad asset retirement obligations

Historical Context

5 past events · Latest: Dec 17

5 events

1. Dec 17

   Safety incident update

   24h Move

   -0.3%

   Update on fatality at Esterhazy K3 and resumption of operations.

2. Dec 16

   Production curtailment

   24h Move

   -5.6%

   Brazil SSP production idling and sulfur purchase suspension after price spike.

3. Nov 17

   Dividend declaration

   24h Move

   +0.7%

   Announcement of a quarterly dividend of $0.22 per share.

4. Nov 13

   Debt offering

   24h Move

   +2.0%

   Completion of $900 million senior notes offering for general purposes.

5. Nov 10

   Policy designation

   24h Move

   +1.2%

   U.S. adds phosphate and potash to Critical Minerals List, aiding policy focus.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

definitive agreement, asset retirement obligations, intellectual property, non-cash asset impairment

4 terms

definitive agreement financial

"announced that it has signed a definitive agreement to sell Mosaic Potash"

A definitive agreement is a formal, legally binding document that outlines the final terms and conditions of a deal or transaction, such as a sale or partnership. It acts like a detailed contract that confirms all parties have agreed on the key details, making the deal official. For investors, it signals that the agreement is settled and moving toward completion, providing clarity and security about the transaction.

asset retirement obligations regulatory

"will assume responsibility for the asset retirement obligations associated"

Asset retirement obligations are a company’s recorded promise to pay for dismantling, cleaning up, or restoring property when a long-lived asset is retired — for example decommissioning a plant or removing equipment. Companies estimate the future cleanup cost today and book it as a liability (and add the cost to the asset), so it affects the balance sheet, reported profits over time, and future cash needs; investors watch it like a planned bill that can reduce cash available for returns.

intellectual property technical

"and related intellectual property, including the K-Mag and Dynamate brands"

Intellectual property are legal rights that protect creations of the mind—such as inventions, brand names, designs, software, or secret formulas—giving the owner control over who can use, copy or sell them. For investors, IP is like owning a blueprint or recipe: it can generate steady income through exclusive sales or licensing, boost a company’s competitive edge and valuation, and also create costs or risks if rights must be defended or challenged in court.

non-cash asset impairment financial

"and record a non-cash asset impairment in the fourth quarter of 2025"

A non-cash asset impairment is an accounting write-down that reduces the recorded value of an asset on a company’s books when that asset is judged to be worth less than previously reported. Think of it like revising the sticker price on a used car because its condition or market value fell; it lowers reported profits and book value for the period but does not involve an immediate cash outlay. Investors watch impairments because they can signal lasting problems with business prospects, affect valuation metrics, and change future depreciation or amortization expense.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

TAMPA, FL / ACCESS Newswire / December 22, 2025 / The Mosaic Company (NYSE:MOS) today announced that it has signed a definitive agreement to sell Mosaic Potash Carlsbad, Inc., including the operations, assets and liabilities of the Mosaic mine in Carlsbad, New Mexico to International Minerals Carlsbad, LLC for $30 million. The transaction includes an initial cash purchase price of $20 million, subject to customary adjustments at closing, and deferred cash consideration totaling $10 million payable in three equal annual installments beginning in 2029. Additionally, International Minerals Carlsbad, LLC will assume responsibility for the asset retirement obligations associated with the Carlsbad operations. Mosaic expects to close the transaction in the first half of 2026 and record a non-cash asset impairment in the fourth quarter of 2025.

International Minerals Carlsbad will assume Mosaic's potash and water business in New Mexico and related intellectual property, including the K-Mag and Dynamate brands, in the sale.

"This transaction is a win for all parties," said Mosaic Executive Vice President, Operations Karen Swager. "We are pleased that International Minerals Carlsbad will provide continuity for our Carlsbad employees at the site, and that Mosaic has taken another step to focus on core assets. Our potash production is now entirely focused on our operations in Saskatchewan, Canada which are expected to continue to generate strong returns."

"The acquisition is an exciting business opportunity, and we look forward to building upon the 100+ year legacy of the potash industry in New Mexico," said International Minerals Carlsbad CEO Sergio Saenz. Chief Commercial Offer Kelvin Feist added, "Our priority is to ensure a seamless transition of the business for employees, customers, suppliers and all stakeholders."

Lazard Freres & Co. LLC served as financial advisor to The Mosaic Company.

About The Mosaic Company

The Mosaic Company is one of the world's leading producers and marketers of concentrated phosphate and potash crop nutrients. Through its Mosaic Biosciences platform, the company is also advancing the next generation biological solutions to help farmers improve nutrient use efficiency and crop performance sustainably. Mosaic provides a single-source supply of phosphate, potash, and biological products for the global agriculture industry. More information on the company is available at www.mosaicco.com.

About International Minerals Carlsbad, LLC

International Minerals Carlsbad, LLC is a Delaware limited liability company whose principals have over 100 years combined experience in the fertilizer industry. More information on International Minerals Carlsbad, LLC,is available at: www.internationalmineralscarlsbad.com

Contacts:

Investors: Jason Tremblay, 813-775-4282 jason.tremblay@mosaicco.com Joan Tong, CFA, 863-640-0826 joan.tong@mosaicco.com

Media: Ben Pratt, 813-775-4206 benjamin.pratt@mosaicco.com

This release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including, but not limited to, statements about the expected timing of the closing of the transaction, anticipated consideration and payment schedule, assumption of asset retirement obligations and expected non-cash asset impairment Such statements are based on the current expectations and assumptions of management and are subject to risks and uncertainties that could cause actual results to differ materially from those expressed or implied. Factors that could cause actual results to differ include, but are not limited to, the ability to satisfy closing conditions on the anticipated timeline, changes in market conditions, and other risks detailed in Mosaic's filings with the Securities and Exchange Commission. Mosaic undertakes no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise.

SOURCE: The Mosaic Company

View the original press release on ACCESS Newswire

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What is the sale price for Mosaic Potash Carlsbad (NYSE:MOS)?

The transaction price is $30 million total: $20 million initial cash plus $10 million deferred.

When will Mosaic (NYSE:MOS) close the Carlsbad sale?

Mosaic expects to close the transaction in the first half of 2026.

How is the $10 million deferred payment structured in the MOS deal?

Deferred cash of $10 million is payable in three equal annual installments beginning in 2029.

Will Mosaic (NYSE:MOS) record an impairment related to the Carlsbad sale?

Yes. Mosaic expects to record a non-cash asset impairment in Q4 2025.

What assets does International Minerals Carlsbad assume from Mosaic (NYSE:MOS)?

The buyer assumes Carlsbad operations, asset retirement obligations, potash and water business, and IP including K-Mag and Dynamate.

How does the sale affect Mosaic’s (NYSE:MOS) potash production focus?

Post-sale, Mosaic states its potash production will be entirely focused on its Saskatchewan, Canada operations.