Results for this period
First quarter1 April 2026 to 30 June 2026ConsolidatedJapanese GAAPThe width of the band at each stage is based on revenue. The narrower it becomes toward the bottom, the smaller the proportion of revenue that remains as profit.
塗りつぶした部分が自己資本比率です。総資産のうち、返済のいらない自前の資金がどれだけかを表します。
In the coal business, net sales declined due to lower coal sales volumes, while income increased owing to additional storage fees and improved earnings at equity-method affiliates. Sales volumes in the diamond business remained steady, while the quarrying business benefited from strong sales of higher-priced products for nuclear-related and port construction projects, as well as by-products.
Not applicable.
| Item | Details |
|---|---|
| Fiscal Period Classification | First quarter |
| Accounting standards | Japanese GAAP |
| Consolidated / non-consolidated | Consolidated |
| Period Covered | 1 April 2026 to 30 June 2026 |
| Net Sales | ¥2,699 million (YoY -1.5%) |
| Operating profit | ¥46 million (YoY +119.2%) |
| Ordinary income | ¥71 million |
| Profit attributable to owners of the parent | ¥49 million |
| Equity ratio | End of the current fiscal period 88.6 / End of previous period Not disclosed |
| Total assets | ¥31,649 million |
| Net assets | ¥28,035 million |
| Revision to Earnings Forecast | No change |
| Segment revenue | Coal business ¥2,513 million (YoY -2.3%), Diamond business ¥76 million (YoY +6.1%), Quarrying business ¥110 million (YoY +14.9%) |
| Segment profit | Coal business ¥100 million (YoY +42.2%), Diamond business ¥37 million (YoY +136.4%), Quarrying business ¥46 million (YoY +140.2%) |
| Depreciation and amortization | ¥33 million |
| Impairment loss | No applicable matters. |
| Breakdown of extraordinary income (loss) | Extraordinary income No applicable matters. / Extraordinary loss Loss on disposal and sale of non-current assets ¥4 million, Plant renovation costs ¥1 million |
| Disclosure regarding the going concern assumption | Not applicable. |
| Material subsequent events | On 21 July 2026, the company disposed of 44,800 treasury shares as restricted stock compensation. The total disposal value was ¥23,564,800. |
| Factors Behind Changes in Business Performance | In the coal business, net sales declined due to lower coal sales volumes, while income increased owing to additional storage fees and improved earnings at equity-method affiliates. Sales volumes in the diamond business remained steady, while the quarrying business benefited from strong sales of higher-priced products for nuclear-related and port construction projects, as well as by-products. |
Items this document does not state (18)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.As coal prices rose gradually amid developments in the Middle East, lower coal sales volumes pushed down net sales. On the other hand, profits were supported by additional storage fees, improved earnings at equity-method affiliates, steady sales volumes in the diamond business, and strong sales of higher-priced products and by-products in the quarrying business.