Major Performance Indices

Net sales (Consolidated)
Operating Income (Consolidated)
Ordinary Income (Consolidated)
Net Income (Consolidated)
Total Equity (Consolidated)
Total Assets (Consolidated)
Interest Bearing Debt (Consolidated)
Cash Flows (Consolidated)

Net sales (Consolidated)

On August 3, 2010, we announced "SDK Revises Performance Forecast for Full-Year 2010." Please refer to the page of Investor Relations.

Net Sales by Segment

(Unit : Billions of Yen)   Full-Year Forecast for Full-Year 2010 2006 2007 2008 2009 Earlier Forecast (Announced on Apr.28) Revised Forecast (Announced on Aug.3) Increase / Decrease Petrochemicals 335.4 395.1 400.2 236.0 27.5 285.0 10.0 Chemicals 79.2 84.7 93.3 91.9 95.0 95.0 0.0 Electronics 165.5 201.0 188.8 127.8 195.0 195.0 0.0 Inorganics 74.3 84.6 88.8 53.7 70.0 75.0 5.0 Aluminum 260.1 257.8 232.8 168.8 165.0 175.0 10.0

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Operating Income (Consolidated)

On August 3, 2010, we announced "SDK Revises Performance Forecast for Full-Year 2010." Please refer to the page of Investor Relations.

Operating Income

Operating Income by Segment

(Unit : Billions of Yen) Full-Year Forecast for Full-Year 2010 2006 2007 2008 2009 Earlier Forecast (Announced on Apr.28) Revised Forecast (Announced on Aug.3) Increase / Decrease Petrochemicals 16.4 19.6 -1.3 8.0 6.0 6.0 0.0 Chemicals 5.1 7.4 5.3 0.4 4.0 4.0 0.0 Electronics 28.6 25.8 9.3 -9.8 15.0 16.0 1.0 Inorganics 16.1 20.9 19.2 3.6 6.0 8.5 2.5 Aluminum 6.5 8.0 -0.2 -4.2 6.0 8.5 2.5 HQ costs and other -3.9 -5.1 -5.5 -3.0 -4.0 -3.0 1.0

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Ordinary Income (Consolidated)

On August 3, 2010, we announced "SDK Revises Performance Forecast for Full-Year 2010." Please refer to the page of Investor Relations.

Ordinary Income (Consolidated)

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Net Income (Consolidated)

On August 3, 2010, we announced "SDK Revises Performance Forecast for Full-Year 2010." Please refer to the page of Investor Relations.

Net Income per Share (Consolidated)

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Total Equity (Consolidated)

Total Equity / Total Assets

Total Equity per Share (Consolidated)

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Total Assets (Consolidated)

Return on Total Assets (Operating Income basis)

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Interest - Bearing Debt (Consolidated)

Debt to Equity Ratio

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Cash Flows (Consolidated)

Cash Flows from Operating Activities
Free Cash Flows

** Free Cash Flows = CF from Operating Activities - CF from Investing Activities

Note
The performance forecast was made based on information available on the day of announcement and assumptions regarding risk factors that could affect our future performance. Actual results may differ materially from the forecast due to a variety of reasons, including, but not limited to, the economic conditions, costs of naphtha and other raw materials, demand for our products, market conditions, and foreign exchange rates.
In the event of discrepancy between data in English and those in Japanese, the latter shall be considered accurate.