Compass Minerals Secures S&P Global B+ Rating Upgrade on Debt Reduction

S&P Global Ratings has upgraded Compass Minerals International (NYSE: CMP) to 'B+' from 'B', with a stable outlook, the company announced on June 29, 2026. The upgrade marks a sharp reversal from a March 2025 downgrade and caps a rapid balance sheet cleanup that cut the company's adjusted debt-to-earnings ratio from 4.2x to 3.1x in just over a year, according to Business Wire.
The key move was retiring $150 million of 6.750% Senior Notes due 2027 ahead of schedule. Compass used cash on hand and roughly $25 million from selling its Wynyard, Saskatchewan fertilizer operation to fund the paydown. CEO Ed Dowling called the upgrade "a strong endorsement" that reflects "a stronger, more resilient business," per Business Wire.
In March 2025, S&P cut Compass from 'B+' to 'B'. The reason: a mild winter crushed highway deicing salt volumes, and costs at its giant Goderich mine in Ontario surged. EBITDA fell roughly 15–20%, and leverage ballooned past 5x, according to S&P Global Ratings. The company was burning cash with no clear floor in sight.
The turnaround started with two moves. Compass sold its Wynyard sulfate of potash operation for about $25 million. It also shifted focus back to its core salt business, stepping back from capital-heavy lithium and specialty fertilizer projects that had strained cash flow. Those moves gave management room to tackle the debt, per Financial Post.
A robust 2025–2026 winter season sent deicing salt demand surging. In the first quarter of fiscal 2026, Compass earned $0.43 per share — more than double the $0.19 analysts expected. Revenue hit $396.1 million, well above the $329.5 million estimate, according to National Post. That earnings beat gave management the cash cushion it needed.
On March 24, 2026, Compass announced it would fully redeem the $150 million in 2027 notes. CFO Peter Fjellman said the company used its "strong liquidity to pay down this debt ahead of schedule." By March 30, the retirement was complete. Total debt now stands at roughly $897 million, per Barchart.
S&P also upgraded Compass's senior secured debt to 'BB' from 'BB-' on June 24, 2026. Retiring the 2027 notes extends the company's average debt maturity. That gives Compass more time and more leverage to negotiate better terms on its remaining obligations, according to Montreal Gazette.
The stable outlook comes with a condition. S&P expects Compass to keep leverage below 4x for the next two years. The agency warned that deicing volumes could "taper down" in 2027 if winter weather normalizes. A current ratio of 2.59 — meaning liquid assets are more than double short-term liabilities — suggests some buffer exists, per Calgary Sun.
Not everyone is celebrating. S&P was direct: much of the leverage improvement came from a strong winter and a one-time asset sale — not a permanent change in the salt market. The agency flagged that one mild winter could quickly push leverage back toward 4x. The company's stock has shown "notable volatility" despite the positive news, according to Toronto Sun.
Investors appear to be asking whether 3.1x leverage is a new normal or a temporary peak. Compass management argues the business is structurally stronger now. But S&P's upgrade is explicitly tied to the expectation that strategic initiatives — not just good weather — will sustain the improvement. That proof is still ahead, per Woodstock Sentinel Review.
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