OCI announced on the 22nd that it disclosed its preliminary consolidated financial results for the second quarter of 2026. These figures are preliminary estimates based on Korean International Financial Reporting Standards (K-IFRS), as the external auditor's review has not yet been completed, and are subject to change.

[Summary of Q2 and First Half 2026 Results]

• *■ Q2 Results (Compared to Previous Quarter and Same Period Last Year)**
• Revenue: KRW 535.01 billion (up 5.6% from KRW 506.68 billion in the previous quarter, up 1.5% from KRW 526.975 billion in the same period last year)
• Operating Profit: KRW 43.261 billion (up 55.5% from KRW 27.825 billion in the previous quarter, swung to profit from a loss of KRW 2.272 billion in the same period last year)
• Profit Before Tax from Continuing Operations: KRW 38.754 billion (up 27.7% from the previous quarter, swung to profit from a loss in the same period last year)
• Net Income: KRW 29.787 billion (up 20.3% from the previous quarter, swung to profit year-on-year)
• Net Income Attributable to Owners of the Parent Company: KRW 29.979 billion (up 20.9% from the previous quarter, swung to profit year-on-year)

• *■ First Half Cumulative Results**
• Revenue: KRW 1.041617 trillion (down 2.3% from the same period last year)
• Operating Profit: KRW 71.086 billion (up 791.6% from KRW 7.973 billion in the same period last year)
• Net Income: KRW 54.555 billion (swung to profit from a loss in the same period last year)
• Net Income Attributable to Owners of the Parent Company: KRW 54.781 billion (swung to profit from a loss in the same period last year)

Prior to this earnings release, OCI clearly stated in advance that these figures are preliminary and may change depending on the results of the external auditor's review.