Mountain Province Diamonds Balances Record Output and Risk

Mountain Province Diamonds Inc. ((TSE:MPVD)) has held its Q4 earnings call. Read on for the main highlights of the call.

Mountain Province Diamonds’ latest earnings call painted a stark contrast between record operational execution and mounting financial strain. Management highlighted best‑ever safety performance and a strong fourth quarter in the pits and plant, yet the discussion was dominated by collapsing diamond prices, heavy losses, large impairments and acute liquidity pressure that now clouds the company’s near‑term outlook.

Record Safety Performance

Mountain Province underscored safety as a rare bright spot, reporting its best ever total recordable injury frequency rate of 2.2 in 2025 compared with 2.3 in 2024. The improvement, achieved amid intense operational and financial pressure, signals disciplined on‑site practices and supports the mine’s ability to run harder if market conditions improve.

Strong Q4 Production and Grade Recovery

Operationally, the fourth quarter of 2025 marked a sharp turnaround, with nearly 1.9 million carats produced at an average grade of 2.25 carats per tonne. Daily output climbed from roughly 9,000 carats early in the year to about 25,000 carats per day in November and December, and management said this elevated run‑rate has continued into early 2026.

Full‑Year Mining Outperformance

Across 2025, the mine moved 38.7 million tonnes of material, ahead of both budget and guidance and more than 17% above 2024 levels. This heavier stripping program allowed Mountain Province to reach key ore zones on schedule and laid the groundwork for stronger grades and volumes in subsequent periods.

Access to Highest‑Grade Ore

A central operational milestone was gaining access to the 5034 NEX ore body, described as the highest‑grade ore in the mine’s history. Feed from this zone drove the improved grades seen in the fourth quarter and into early 2026, giving the company a potential lever for margin recovery once pricing conditions ease.

Operational Resilience Despite Adverse Conditions

For much of the year the plant processed low‑grade stockpiles, yet the site still delivered record performance across safety, processing and total mined tonnes. Management emphasized that this resilience, capped by a strong Q4 finish, demonstrates the mine’s capability even when feed quality and markets are unfavorable.

Adjusted EBITDA Turns Positive

Financially, Mountain Province managed to post positive adjusted EBITDA in the fourth quarter of 2025, an improvement from a negative result in the prior‑year quarter. For the full year, adjusted EBITDA reached about $4.8 million, a slim 3% margin but still a sign of operating traction in a period when headline metrics were under heavy pressure.

Support from Major Shareholder and Lenders

The company leaned heavily on external backing, with its largest shareholder providing critical liquidity support during the year. Mountain Province also secured a USD 40 million bridge facility and a USD 23.6 million working capital line, both of which have been drawn, enabling operations to continue despite the cash crunch.

Early Signs of Market Improvement Fade

Management noted that early 2026 brought tentative signs of recovery, including solid U.S. holiday retail performance and positive forecasts for U.S. retail growth. Continued luxury demand for natural diamonds initially offered some relief, but this momentum has been challenged by newer geopolitical and trade disruptions.

Heavy Net Losses and Large Impairment

The financial bottom line deteriorated sharply, with a full‑year net loss after tax of approximately $279.5 million for 2025 compared with a profit of $18.4 million in 2024. Fourth quarter results were hit by a sizeable impairment charge of $103 million, or about $90 million net of deferred tax recovery, reflecting a reset of asset values amid weaker pricing assumptions.

Revenue Hit by Falling Prices and Volumes

Average realized prices dropped 18% year on year, while sales volumes fell 31%, sending revenue sharply lower. The company’s average selling price for 2025 was just USD 59 per carat, and USD 52 per carat in Q4, levels not seen since the mine’s early years outside the worst of the pandemic.

Lowest Annual Sales Volumes on Record

Management disclosed that 2025 marked the lowest annual sales volume since the mine opened, amplifying the revenue hit from weaker pricing. With fewer carats sold to absorb fixed costs, per‑unit economics deteriorated and squeezed margins despite better production metrics.

Inventory and Stockpile Write‑Downs

Significant write‑downs of diamond inventory and ore stockpiles further weighed on results by boosting cost of sales and depreciation. The carrying value per carat dropped from $72 to $41, leaving the closing inventory balance around $45.3 million lower than at the end of 2024.

Rising Unit Costs Squeeze Margins

Cash production costs climbed to $76 per carat and $93 per tonne in 2025, up from $60 per carat and $77 per tonne a year earlier, increases of roughly 27% and 21%. Management linked the cost escalation to drawing down stockpiles and higher depreciation and capitalized stripping, compounding the impact of weaker pricing.

Operating Cash Flow Deterioration

Cash generation turned deeply negative, with operating cash flow swinging to an outflow of $59 million for 2025 from an inflow of $15.5 million in 2024. The year ended with just $2.3 million in cash on hand, highlighting the severity of the company’s liquidity constraints.

Working Capital Strain and Cash Call Shortfall

Working capital remained under pressure at negative $70 million, though improved from negative $120 million in 2024, while accounts payable surged to $126 million from $65 million. Unpaid cash calls of $30.6 million prompted in‑kind election notices from joint‑venture partner De Beers, raising the stakes around potential default if the shortfall is not addressed.

Higher Debt Burden and Finance Costs

Long‑term liabilities ballooned to $479 million from $22 million as the company issued new U.S. dollar senior secured notes and tapped a junior credit facility. Financing costs also spiked, with finance expenses rising to $56 million from $43 million, and roughly $89 million in new debt raised during the year to sustain operations.

Tariffs and Geopolitics Weigh on Demand

External headwinds intensified, including a 50% U.S. tariff on Indian rough diamond imports and conflict in the Middle East, both of which unsettled key diamond trading hubs. These factors particularly hurt demand and pricing for smaller stones in centers such as Israel and Dubai, exacerbating already weak market conditions.

Going‑Concern and Liquidity Risks

Given the combination of heavy losses, leverage and limited cash, the company’s financial statements now include a going‑concern note. Management stressed that continued support from shareholders and lenders, successful renegotiation of obligations and a market recovery are all critical to realizing the benefits of the high‑grade NEX ore body.

Guidance and Management Outlook

Looking ahead, guidance focused on sustaining operational gains while navigating a fragile balance sheet, with safety performance and NEX‑driven grade improvements as key themes. Management cautioned that any meaningful recovery in earnings and cash flow hinges on a resolution of tariff issues and improved geopolitical stability, which would allow better prices to flow through to the mine’s enhanced production profile.

Mountain Province Diamonds’ call ultimately showcased a mine that is performing strongly in the field but is being overwhelmed by market and balance sheet realities. Investors are left weighing impressive safety and production progress, and access to the richest ore in the mine’s life, against steep losses, high leverage and material going‑concern risk that now define the equity story in the near term.