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Notice Concerning Repurchase of Treasury Stock (161 KB)

Exhibit at FBC ASEAN 2025 (Viet Nam)

Exhibit at SEMICON TAIWAN 2025 (Taiwan)

Exhibit at SEMICON INDIA 2025 (India)

Notice Concerning Cancellation of Treasury Stock (106 KB)

Notice Concerning Determination of Matters Pertaining to Repurchase of Own Shares (147 KB)

Notice of Revision of Consolidated Earnings Forecasts for the First Half of the Fiscal Year Ending March 31, 2026 (139 KB)

Financial Results for the First Quarter of the Fiscal Year Ending March 31, 2026 (452 KB)

Announcement of the Opening of Joint Venture Company “AA Diamond Technology Co., Ltd.”

Diamond File

SDS Diamond Slurry Oil-soluble SP-□-O

SDS Diamond Slurry Water-soluble SP-□-W