Fact Sheet Business Report 2026.08.28

Events 2026.08.21 Exhibiting at SEMICON INDIA 2026

Events 2026.08.20 Announcement Regarding Our Participation in the 12th China International Wire Industry Exhibition (China)

Events 2026.08.19 Notice Regarding Participation in the EMIDAS Manufacturing Fair (Formerly Known as the FBC ASEAN Manufacturing Fair) (Vietnam)

Other Notice Concerning Revision of Consolidated Earnings Forecasts for the First Half (Cumulative) and Full Year of the Fiscal Year Ending March 31, 2027 2026.08.07

Consolidated Financial Results Summary of the Consolidated Financial Results for the Three Months Ended June 30, 2026 2026.08.07

Other Notice Concerning the Decision on Matters Concerning the Acquisition of Shares Under the Stock Compensation Plan 2026.08.07

Other Notice Concerning the Introduction of a Shareholder Benefits Program 2026.08.07

Company 2026.08.05 Announcement of an Investor Relations Seminar for Individual Investors

Company 2026.07.01 Announcement of the Launch of Sales Promotion Activities for Hub Blades Manufactured by AA Diamond Technology Co., Ltd.

Other Announcement Regarding the Launch of Hub Blades Manufactured by AA Diamond Technology Co., Ltd. 2026.07.01

Articles of Incorporation / CG Report Corporate Governance Report 2026.06.30

Fact Sheet Fact Sheets 2026.06.26

Notice of General Meeting of Shareholders Notice of the 107th Annual General Meeting of Shareholders 2026.06.01

Notice 2026.06.01 Notice of the Publication of the Transcript of the Financial Results Briefing for the Fiscal Year Ending March 2026

Financial Information FY2025 Financial Results Briefing 2026.05.26

Mid-term Management Plan Mid-Term Management Plan 2030 Presentation Materials 2026.05.26

Consolidated Financial Results Summary of the Consolidated Financial Results for the Fiscal Year Ended March 31, 2026 2026.05.15

Mid-term Management Plan Notice Concerning the Formulation of the Medium-Term Management Plan 2026.05.15

Other Notice Concerning the Decision on Matters Concerning the Acquisition of Shares Under the Stock Compensation Plan 2026.05.15

Consolidated Financial Results Summary of the Consolidated Financial Results for the Fiscal Year Ended March 31, 2026 2026.05.15

Other Notice Concerning Organizational Changes and Personnel Affairs of Officers 2026.05.15

Other Notice Concerning Discrepancies Between Non-Consolidated Financial Results and Previous Fiscal Year Figures 2026.05.15

Other (Correction: Revision of Numerical Data) Regarding Partial Corrections to the “Consolidated Financial Results for the Fiscal Year Ended March 2026 [Japanese GAAP]” 2026.05.15

Events 2026.04.21 FOOMA JAPAN 2026 Exhibition Information

Other Notice Concerning Extraordinary Loss in Non-Consolidated Financial Results 2026.04.16

Other Notice Concerning a Decrease in Retirement Benefit Expenses (Resulting in Increased Profit) 2026.04.16

Other Notice Concerning Revision of Consolidated Forecast and Recognition of Extraordinary Loss (Impairment Loss on Fixed Assets) 2026.04.16

Company 2026.04.08 Notice Concerning Relocation of Head Office

Events 2026.03.23 Notice of Participation in the Taiwan International Machine Tool Show (TMTS 2026) (Taiwan)

Company 2026.03.23 Regarding the Establishment of the Shiga Sales Office

Events 2026.03.13 Notice of Exhibition at the 93rd Annual Meeting of the Electrochemical Society

Events 2026.03.03 Exhibit at SEMICON CHINA 2026 (China)

Articles of Incorporation / CG Report Corporate Governance Report 2026.02.19

定款･CG報告書 2026.02.19 コーポレート・ガバナンスに関する報告書

短信 2026.02.10 2026年3月期第3四半期決算短信

Consolidated Financial Results Summary of the Consolidated Financial Results for the Nine Months Ended December 31, 2025 2026.02.10

2026.02.10 自己株式の消却に関するお知らせ

Other Notice Concerning Cancellation of Own Shares 2026.02.10

投資家向け会社概要/ファクトシート 2026.01.23 旭ダイヤモンド工業の概要

Other Notice Concerning Relocation of Head Office 2025.12.26

2025.12.26 本社移転に関するお知らせ

2025.12.16 自己株式の取得状況および取得終了に関するお知らせ

Other Notice Concerning the Status and Completion of Acquisition of Own Shares 2025.12.16

Other Notice Concerning Status of Acquisition of Own Shares 2025.12.01

2025.12.01 自己株式の取得状況に関するお知らせ

事業報告書 2025.11.28 第107期中間報告書（株主のみなさまへ）

Notice 2025.11.27 Notice of Posting of Transcript of Financial Results Briefing for the Second Quarter (Interim) of the Fiscal Year Ending March 31, 2026

投資家向け会社概要/ファクトシート 2025.11.18 ファクトシート

Events 2025.11.18 Exhibition at SEMICON JAPAN2025

資料 2025.11.17 2026年3月期第2四半期（中間期）決算説明会資料

Financial Information FY2025 2Q Financial Results Briefing 2025.11.17

有価証券報告書 2025.11.13 第107期（自2025年4月1日　至2025年9月30日）半期報告書

Events 2025.11.12 Exhibit at Manufacturing Indonesia 2025 (Indonesia)

2025.11.07 中間配当に関する取締役会決議のお知らせ

Consolidated Financial Results Summary of the Consolidated Financial Results for the Six Months Ended September 30, 2025 2025.11.07

短信 2025.11.07 2026年3月期第2四半期（中間期）決算短信

Events 2025.11.06 Exhibit at SEMICON EUROPA 2025 (Germany)

Notice 2025.11.04 Export Restrictions on Artificial Diamond Abrasive Grains from the Ministry of Commerce of the People's Republic of China

Other Notice Concerning Status of Acquisition of Own Shares 2025.11.04

2025.11.04 自己株式の取得状況に関するお知らせ

Other Notice Concerning Status of Acquisition of Own Shares 2025.10.01

2025.10.01 自己株式の取得状況に関するお知らせ

Events 2025.09.11 Semiconductor Technology Expo in Kyusyu, Japan Exhibition Information

Events 2025.09.11 Exhibit at MECHATRONICS TECHNOLOGY JAPAN 2025