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Idemitsu Kosan, Apr-Dec (Cumulative 3Q) Ordinary Profit Decreases by 67%, Oct-Dec Ordinary Profit Decreases by 52%

Tue Feb 10, 2026 3:30 pm JST Earnings

5019 Idemitsu Kosan Co.,Ltd. 【J-GAAP】

Earnings Report

Idemitsu Kosan Co.,Ltd. <5019> [TSE Prime] announced its financial results after the market closed on February 10th (15:30). The consolidated ordinary profit for the cumulative third quarter of the fiscal year ending March 2026 (April to December) significantly dropped 66.8% from the same period last year to 54.9 billion yen. Progress toward the full-year plan of 85.0 billion yen was 64.7%, also falling below the five-year average of 69.3%.

Based on the cumulative third-quarter performance announced by the company and the unchanged full-year plan, our calculation indicates that the consolidated ordinary profit for the January to March period (4Q) is expected to drop 38.7% from the same period last year to 30.0 billion yen.

In the most recent three-month period, from October to December (3Q), the consolidated ordinary profit significantly dropped to 19.7 billion yen, a 51.8% decrease compared to the same period last year. The operating profit margin worsened from 1.1% in the same period last year to 0.5%.

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Actual Results

Accumulated Results 3rd Quarter
Fiscal Year Revenue Operating Profit Ordinary Profit Net Profit Adj. EPS Progress Rate vs. First Half Announce Accounting Standards
Apr - Dec, 2023 6,402,264 293,700 327,282 239,085 167.8 85.0 Feb 13, 2024 J-GAAP
Apr - Dec, 2024 6,876,464 123,275 165,813 127,454 94.4 77.2 Feb 12, 2025 J-GAAP
Apr - Dec, 2025 5,944,590 36,691 54,989 52,578 42.9 64.7 Feb 10, 2026 J-GAAP
YoY -13.6% -70.2% -66.8% -58.7% -54.5%

Current Period Guidance

Second Half Results

Fiscal Year Revenue Operating Profit Ordinary Profit Net Profit Adj. EPS Adj. Dividend Announce Accounting Standards
Oct - Mar, 2024 4,686,200 64,855 89,881 4,613 3.5 18 May 13, 2025 J-GAAP
Oct - Mar, 2025 Guidance 4,144,347 42,156 49,735 38,925 31.8 18 Nov 11, 2025 J-GAAP
YoY -11.6% -35.0% -44.7% +743.8% +821.2%

Current Period Guidance

Fiscal Year Revenue Operating Profit Ordinary Profit Net Profit Adj. EPS Adj. Dividend Announce Accounting Standards
Mar, 2024 8,719,201 346,316 385,246 228,518 161.3 32 May 14, 2024 J-GAAP
Mar, 2025 9,190,225 162,185 214,764 104,055 77.8 36 May 13, 2025 J-GAAP
Mar, 2026 Guidance 7,950,000 68,000 85,000 75,000 61.2 36 Nov 11, 2025 J-GAAP
YoY -13.5% -58.1% -60.4% -27.9% -21.3%

Quarterly Results

Fiscal Year Revenue Operating Profit Ordinary Profit Net Profit Adj. EPS Operating Profit Margin Announce Accounting Standards
Oct - Dec, 2024 2,372,439 25,945 40,930 28,012 20.8 1.1 Feb 12, 2025 J-GAAP
Jan - Mar, 2025 2,313,761 38,910 48,951 -23,399 -17.5 1.7 May 13, 2025 J-GAAP
Apr - Jun, 2025 1,843,035 -21,015 -13,738 5,243 4.3 -1.1 Aug 8, 2025 J-GAAP
Jul - Sep, 2025 1,962,618 46,859 49,003 30,832 25.2 2.4 Nov 11, 2025 J-GAAP
Oct - Dec, 2025 2,138,937 10,847 19,724 16,503 13.5 0.5 Feb 10, 2026 J-GAAP
YoY -9.8% -58.2% -51.8% -41.1% -35.1%

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