Compass Minerals International CMP

NYSE CMP

$25.63 -0.16 (-0.62%)

As of: Sep 9, 2026 · 3:59 PM EDT

Key Stats

Market Cap1.09 Bn

P/E59.10

P/S0.84

Div. Yield0.00

Total Debt (Qtr)716.60 Mn

Revenue Growth (1y) (Qtr)0.33

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About

Compass Minerals International, Inc. is a leading provider of essential minerals primarily salt and plant nutrition. The company extracts processes and markets sodium chloride magnesium chloride and sulfate of potash from facilities located in the United States Canada and the United Kingdom. Its core activities include mining underground rock salt operating solar evaporation ponds and managing mechanical evaporation plants. The firm also offers records management services in the United Kingdom using excavated salt mine space. Through its operations Compass Minerals International, Inc. serves markets that need deicing agents water conditioning ingredients food processing inputs and crop nutrients. The business emphasizes safety sustainability and reliable delivery of minerals to industrial agricultural and governmental customers. The company’s production footprint includes the Goderich mine in Ontario which is the largest underground rock salt mine in the world the Winsford mine in Cheshire which is the largest dedicated rock salt mine in the United Kingdom and the Ogden facility in Utah which is the largest solar evaporation site for sulfate of potash and solar salt in the Western Hemisphere. Compass Minerals International, Inc. maintains a workforce of approximately 1 800 employees engaged in mining processing logistics and commercial functions.

Revenue is generated mainly from the sale of salt products and specialty fertilizer products. Salt sales consist of highway deicing salt sold to states provinces counties municipalities and road maintenance contractors as well as consumer and industrial salt sold through retail agricultural and industrial channels. Plant nutrition revenue comes from the sale of sulfate of potash marketed under the Protassium+ brand to distributors retailers professional turf growers and industrial users. The company also earns modest income from records management services in the United Kingdom and from incidental sales related to its exited fire retardant business. Pricing is influenced by product purity end use transportation costs and regional demand patterns. The firm leverages its integrated production and distribution network to deliver minerals to customers across North America and the United Kingdom. Seasonal fluctuations in winter weather affect demand for highway deicing salt while agricultural planting cycles influence sulfate of potash sales. The firm’s diversified product mix helps stabilize overall revenue streams despite variability in individual markets.

The company operates through the following segments: Salt and Plant Nutrition.

Salt segment produces markets and sells sodium chloride and magnesium chloride for highway deicing consumer industrial chemical and agricultural applications including rock salt mechanically evaporated salt solar evaporated salt brine magnesium chloride and flake magnesium chloride. The segment serves governmental deicing customers through annual tender processes and multi year contracts while also supplying chemical manufacturers food processors water treatment facilities and agricultural producers with bulk and packaged salt products.
Plant Nutrition segment produces markets and sells sulfate of potash under the Protassium+ brand in various grades for broadcast spreaders direct application liquid fertilizer solutions turf and ornamental markets and organic cropping systems. The segment focuses on educating distributors and growers about the agronomic benefits of low chloride potassium nutrition and provides technical support for fertilizer blending and application timing.

Compass Minerals International, Inc. holds a leading position in the North American salt market as one of the largest producers of rock salt and solar evaporated salt with assets such as the Goderich mine in Canada and the Ogden facility in Utah giving it logistical advantages near major consumer centers. In the plant nutrition arena the company is the primary producer of sulfate of potash in North America supplying a niche product that commands a price premium over traditional muriate of potash due to its sulfur content and low chloride profile. Competitors in the salt sector include large integrated chemical companies regional producers and importers while competition in sulfate of potash comes chiefly from offshore suppliers primarily in China and Europe. The firm’s competitive advantages stem from its high grade mineral deposits integrated mining and processing capabilities extensive distribution network long term supply contracts with governmental deicing customers and its strong brand recognition in specialty fertilizer markets. Additionally the company’s focus on cost control capital discipline and balance sheet strengthening supports its ability to invest in productivity improvements and maintain competitive pricing. The firm’s scale and geographic diversification reduce reliance on any single market and enhance resilience to regional demand shifts.

The company serves a diverse customer base that includes governmental agencies responsible for road maintenance industrial manufacturers food processors water treatment facilities agricultural producers retail distributors professional turf managers and individual consumers. Specific customer names found in the filing include the U. S. Forest Service which purchased fire retardant products prior to the exit of that business. Highway deicing customers consist of state departments of transportation provincial ministries county road agencies municipal public works departments and private road maintenance contractors across the United States Canada and the United Kingdom. Chemical customers comprise producers of intermediate chemicals used in vinyls pulp and paper manufacturing and water treatment processes. Plant nutrition customers consist of retail fertilizer dealers distributors of agricultural products professional turf care organizations and growers seeking low chloride potassium nutrients for high value crops. Records management clients in the United Kingdom utilize the DeepStore service for secure underground document storage. The firm’s broad customer exposure helps mitigate concentration risk and supports steady demand for its essential mineral products.

Investment Thesis

▲ Bull case

Compass Minerals is positioned to capture significant value from the emerging lithium market through its partnership with EnergyX, a catalyst not fully reflected in current guidance. The company’s Ogden site holds a proven domestic resource of 2.4 million metric tons of lithium carbonate equivalent, one of the richest lithium brine deposits in the U.S., providing a low-cost foundation for lithium extraction without the need for expensive deep-well drilling. EnergyX will fund, construct, and operate the entire Project Powder Hound™ facility, investing approximately $400 million across two phases, while Compass Minerals contributes only its existing infrastructure and land under a lease agreement, bearing zero capital expenditure. This structure allows Compass to generate ongoing royalty and licensing revenue streams with minimal balance sheet impact, directly strengthening its financial flexibility as it continues to deleverage. The project’s projected $600 million in annual revenue at full build represents a material upside to the company’s current Plant Nutrition EBITDA guidance of $43–47 million, potentially transforming a segment that has historically contributed modestly into a high-growth, high-margin business. Furthermore, the partnership aligns with federal priorities under the Inflation Reduction Act and domestic critical minerals initiatives, reducing regulatory and permitting risks compared to greenfield lithium projects. Management’s repeated emphasis on leveraging existing infrastructure to support lake conservation and balance sheet strength indicates a strategic, low-risk approach to entering the lithium value chain that could unlock substantial long-term shareholder value if the DLE technology scales as promised.
Operational improvements in the Salt business are beginning to show tangible results that are underappreciated by the market, particularly in the context of structural market tightness and disciplined commercial execution. Despite reporting higher production costs per ton due to unfavorable geographic and product mix in Q2, the company highlighted that unit costs at the mine are improving through its Back to Basics framework, with progress in safety, utilization, equipment availability, and mine planning—key drivers of long-term efficiency. The recent completion of collective bargaining agreements at Goderich and other sites introduces greater labor and operational flexibility, enabling optimized deployment of workforce and equipment, which management confirmed would enhance mine efficiency and flexibility without compromising workforce incentives. This development is critical because it removes a historical constraint on operational agility at one of the company’s largest and most strategically important facilities. Combined with low industry inventories following a strong winter in core markets and a structurally tight North American highway deicing market, Compass is well-positioned to maximize value per ton in the upcoming bid season, prioritizing pricing and margin over volume—a strategy that has historically driven margin expansion. The company’s focus on value over volume, coupled with improving operational fundamentals, suggests that Salt segment profitability could exceed current expectations as operational discipline translates into lower costs and better mix, especially as the benefits of the Back to Basics initiative accumulate over time.
The Plant Nutrition segment, particularly the Ogden SOP facility, is delivering a turnaround that is more sustainable and scalable than recent results suggest, with implications for long-term earnings quality. Management explicitly tied the dramatic improvement in Plant Nutrition EBITDA—up 202% year-over-year in Q2 to $17 million with margins expanding to 25.2%—to disciplined operational execution at the evaporation ponds, including better harvest-to-production ratios and inventory staging, rather than temporary factors like brine sourcing or supplemental KCl purchases. This indicates that the business is returning to historical profitability levels through fundamental process improvements, not cyclical advantages. Furthermore, the upcoming drier/compaction plant project, slated for completion later next year, aims to resolve current yield losses and inefficiencies at high loads, promising improved product quality, increased capacity, and lower unit costs—all else equal. This capital project represents a tangible, near-term catalyst for further margin expansion and capacity growth in the Plant Nutrition business, which management has identified as a priority for delivering $40–50 million in annual EBITDA. The sale of the Wynyard SOP operation has already sharpened focus on the Ogden facility as the segment’s world-class anchor, eliminating a distraction and strengthening the balance sheet with proceeds from the sale. With volumes up, pricing favorable, and cost performance strong, the Plant Nutrition business is not merely recovering but building a foundation for sustained, high-margin growth that could support multiple years of EBITDA expansion beyond current guidance.

Compass Minerals is positioned to capture significant value from the emerging lithium market through its partnership with EnergyX, a catalyst not fully reflected in current guidance. The company’s Ogden site holds a proven domestic resource of 2.4 million metric tons of lithium carbonate equivalent, one of the richest lithium brine deposits in the U.S., providing a low-cost foundation for lithium extraction without the need for expensive deep-well drilling. EnergyX will fund, construct, and operate the entire Project Powder Hound™ facility, investing approximately $400 million across two phases, while Compass Minerals contributes only its existing infrastructure and land under a lease agreement, bearing zero capital expenditure. This structure allows Compass to generate ongoing royalty and licensing revenue streams with minimal balance sheet impact, directly strengthening its financial flexibility as it continues to deleverage. The project’s projected $600 million in annual revenue at full build represents a material upside to the company’s current Plant Nutrition EBITDA guidance of $43–47 million, potentially transforming a segment that has historically contributed modestly into a high-growth, high-margin business. Furthermore, the partnership aligns with federal priorities under the Inflation Reduction Act and domestic critical minerals initiatives, reducing regulatory and permitting risks compared to greenfield lithium projects. Management’s repeated emphasis on leveraging existing infrastructure to support lake conservation and balance sheet strength indicates a strategic, low-risk approach to entering the lithium value chain that could unlock substantial long-term shareholder value if the DLE technology scales as promised.
Operational improvements in the Salt business are beginning to show tangible results that are underappreciated by the market, particularly in the context of structural market tightness and disciplined commercial execution. Despite reporting higher production costs per ton due to unfavorable geographic and product mix in Q2, the company highlighted that unit costs at the mine are improving through its Back to Basics framework, with progress in safety, utilization, equipment availability, and mine planning—key drivers of long-term efficiency. The recent completion of collective bargaining agreements at Goderich and other sites introduces greater labor and operational flexibility, enabling optimized deployment of workforce and equipment, which management confirmed would enhance mine efficiency and flexibility without compromising workforce incentives. This development is critical because it removes a historical constraint on operational agility at one of the company’s largest and most strategically important facilities. Combined with low industry inventories following a strong winter in core markets and a structurally tight North American highway deicing market, Compass is well-positioned to maximize value per ton in the upcoming bid season, prioritizing pricing and margin over volume—a strategy that has historically driven margin expansion. The company’s focus on value over volume, coupled with improving operational fundamentals, suggests that Salt segment profitability could exceed current expectations as operational discipline translates into lower costs and better mix, especially as the benefits of the Back to Basics initiative accumulate over time.
The Plant Nutrition segment, particularly the Ogden SOP facility, is delivering a turnaround that is more sustainable and scalable than recent results suggest, with implications for long-term earnings quality. Management explicitly tied the dramatic improvement in Plant Nutrition EBITDA—up 202% year-over-year in Q2 to $17 million with margins expanding to 25.2%—to disciplined operational execution at the evaporation ponds, including better harvest-to-production ratios and inventory staging, rather than temporary factors like brine sourcing or supplemental KCl purchases. This indicates that the business is returning to historical profitability levels through fundamental process improvements, not cyclical advantages. Furthermore, the upcoming drier/compaction plant project, slated for completion later next year, aims to resolve current yield losses and inefficiencies at high loads, promising improved product quality, increased capacity, and lower unit costs—all else equal. This capital project represents a tangible, near-term catalyst for further margin expansion and capacity growth in the Plant Nutrition business, which management has identified as a priority for delivering $40–50 million in annual EBITDA. The sale of the Wynyard SOP operation has already sharpened focus on the Ogden facility as the segment’s world-class anchor, eliminating a distraction and strengthening the balance sheet with proceeds from the sale. With volumes up, pricing favorable, and cost performance strong, the Plant Nutrition business is not merely recovering but building a foundation for sustained, high-margin growth that could support multiple years of EBITDA expansion beyond current guidance.

▼ Bear case

Compass Minerals’ Salt business remains vulnerable to structural and operational challenges that could persist despite management’s optimism, particularly regarding the pace and sustainability of cost improvements at the Goderich mine. While the company cites progress in safety, utilization, and mine planning under its Back to Basics framework, it acknowledged that production cost per ton remains above expectations and that efficiency gains have not yet materialized as planned, with management attributing the discrepancy to ongoing headwinds in the mine plan—an admission that suggests deeper, unresolved geological or operational constraints. The recent collective bargaining agreement, though framed as mutually beneficial, may introduce long-term cost rigidity if wage increases or productivity guarantees were conceded to secure labor peace, potentially offsetting any flexibility gains in labor deployment. Furthermore, the company’s reliance on geographic and product mix to explain cost fluctuations highlights a lack of true cost control, as profitability remains heavily dependent on external variables like winter weather patterns rather than internal operational excellence. This variability undermines the predictability of earnings and suggests that the Salt business may struggle to achieve consistent margin expansion without favorable external conditions, making it difficult to sustain the value-over-volume strategy in bid seasons where weather does not concentrate demand in higher-margin regions.
The lithium partnership with EnergyX, while promising on paper, carries substantial execution and timing risks that could delay or diminish its financial contribution, leaving the company over-reliant on its legacy businesses for near-term performance. The project is not expected to reach commercial scale until 2030, meaning any revenue or royalty streams are at least four years away, and the current Memorandum of Understanding remains subject to definitive agreements, due diligence, and regulatory approvals—including from the State of Utah, where lithium royalty rates are described as “preposterously high” by EnergyX’s CEO and could undermine project economics. There is also no guarantee that EnergyX’s GET-Lit™ technology will scale successfully at commercial volumes, given that DLE remains an emerging technology with limited proven track record at scale, and the company has faced setbacks in other jurisdictions. Compass Minerals’ own history with lithium investments—including a $75 million impairment charge in 2024 after suspending its prior project due to regulatory headwinds—suggests a pattern of overestimating the feasibility of lithium extraction in Utah, raising concerns that management may again be overly optimistic about timelines, costs, or regulatory outcomes. Until the project de-risks through tangible milestones, the market may continue to view the lithium initiative as speculative rather than a near-term catalyst, especially given the company’s stated priority to focus on core Salt and Plant Nutrition businesses, which could result in limited active support or resource allocation to the partnership.
The Plant Nutrition segment’s recent EBITDA surge may be partially driven by non-recurring or unsustainable factors, casting doubt on the durability of its improvement and the validity of using it as a foundation for future growth. Management attributed the strong Q2 performance to better operational execution at the evaporation ponds, but the improvement was made even more impressive by the inclusion of only partial-period results from the Wynyard SOP operation prior to its sale—a factor that artificially inflated year-over-year comparisons. While the sale of Wynyard did strengthen the balance sheet and allow focus on Ogden, it also removed a revenue stream, meaning the segment’s standalone performance must now compensate for that loss to achieve growth. Furthermore, the improvement in per-ton margins remains sensitive to the balance between brine-based production and supplemental KCl purchases, and any increase in supplemental purchases due to pond management challenges or weather-related disruptions could quickly erode margins. The company’s acknowledgment that it is “not done yet” and that the upcoming drier/compaction plant is needed to address yield losses and inefficiencies at high loads implies that current operations are still suboptimal and that further capital investment is required just to maintain, let alone improve, performance. Without this project executing on schedule and delivering the promised cost and quality benefits, the Plant Nutrition business risks plateauing or regressing, particularly if market conditions for SOP soften or input costs rise, leaving the company without a credible path to sustained high-margin growth in this segment.

Compass Minerals’ Salt business remains vulnerable to structural and operational challenges that could persist despite management’s optimism, particularly regarding the pace and sustainability of cost improvements at the Goderich mine. While the company cites progress in safety, utilization, and mine planning under its Back to Basics framework, it acknowledged that production cost per ton remains above expectations and that efficiency gains have not yet materialized as planned, with management attributing the discrepancy to ongoing headwinds in the mine plan—an admission that suggests deeper, unresolved geological or operational constraints. The recent collective bargaining agreement, though framed as mutually beneficial, may introduce long-term cost rigidity if wage increases or productivity guarantees were conceded to secure labor peace, potentially offsetting any flexibility gains in labor deployment. Furthermore, the company’s reliance on geographic and product mix to explain cost fluctuations highlights a lack of true cost control, as profitability remains heavily dependent on external variables like winter weather patterns rather than internal operational excellence. This variability undermines the predictability of earnings and suggests that the Salt business may struggle to achieve consistent margin expansion without favorable external conditions, making it difficult to sustain the value-over-volume strategy in bid seasons where weather does not concentrate demand in higher-margin regions.
The lithium partnership with EnergyX, while promising on paper, carries substantial execution and timing risks that could delay or diminish its financial contribution, leaving the company over-reliant on its legacy businesses for near-term performance. The project is not expected to reach commercial scale until 2030, meaning any revenue or royalty streams are at least four years away, and the current Memorandum of Understanding remains subject to definitive agreements, due diligence, and regulatory approvals—including from the State of Utah, where lithium royalty rates are described as “preposterously high” by EnergyX’s CEO and could undermine project economics. There is also no guarantee that EnergyX’s GET-Lit™ technology will scale successfully at commercial volumes, given that DLE remains an emerging technology with limited proven track record at scale, and the company has faced setbacks in other jurisdictions. Compass Minerals’ own history with lithium investments—including a $75 million impairment charge in 2024 after suspending its prior project due to regulatory headwinds—suggests a pattern of overestimating the feasibility of lithium extraction in Utah, raising concerns that management may again be overly optimistic about timelines, costs, or regulatory outcomes. Until the project de-risks through tangible milestones, the market may continue to view the lithium initiative as speculative rather than a near-term catalyst, especially given the company’s stated priority to focus on core Salt and Plant Nutrition businesses, which could result in limited active support or resource allocation to the partnership.
The Plant Nutrition segment’s recent EBITDA surge may be partially driven by non-recurring or unsustainable factors, casting doubt on the durability of its improvement and the validity of using it as a foundation for future growth. Management attributed the strong Q2 performance to better operational execution at the evaporation ponds, but the improvement was made even more impressive by the inclusion of only partial-period results from the Wynyard SOP operation prior to its sale—a factor that artificially inflated year-over-year comparisons. While the sale of Wynyard did strengthen the balance sheet and allow focus on Ogden, it also removed a revenue stream, meaning the segment’s standalone performance must now compensate for that loss to achieve growth. Furthermore, the improvement in per-ton margins remains sensitive to the balance between brine-based production and supplemental KCl purchases, and any increase in supplemental purchases due to pond management challenges or weather-related disruptions could quickly erode margins. The company’s acknowledgment that it is “not done yet” and that the upcoming drier/compaction plant is needed to address yield losses and inefficiencies at high loads implies that current operations are still suboptimal and that further capital investment is required just to maintain, let alone improve, performance. Without this project executing on schedule and delivering the promised cost and quality benefits, the Plant Nutrition business risks plateauing or regressing, particularly if market conditions for SOP soften or input costs rise, leaving the company without a credible path to sustained high-margin growth in this segment.

Segments Breakdown of Revenue (2025)

Peer group

Peer Comparison

Companies in the Industrial Minerals

S.No.	Ticker	Company	match	Market Cap	P/E	P/S	Total Debt (Qtr)
1	MTRN	MATERION Corp	primary	5.30 Bn	58.78	2.52	477.29 Mn
2	USLM	United States Lime & Minerals Inc	primary	3.32 Bn	24.74	8.82	-
3	MTX	Minerals Technologies Inc	primary	2.16 Bn	-7.89	1.00	964.90 Mn
4	AESI	Atlas Energy Solutions Inc.	primary	1.82 Bn	-15.37	1.70	966.72 Mn
5	CMP	Compass Minerals International Inc	primary	1.09 Bn	59.10	0.84	716.60 Mn
6	ODC	Oil-Dri Corp of America	primary	0.84 Bn	15.11	1.72	39.85 Mn
7	LOGC	ContextLogic Holdings Inc.	primary	0.61 Bn	73.95	10.62	212.90 Mn
8	SND	Smart Sand, Inc.	primary	0.21 Bn	20.33	0.55	22.50 Mn

Compass Minerals International CMP

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Investment Thesis

Geographical Breakdown of Revenue (2025)

Segments Breakdown of Revenue (2025)

Peer Comparison

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