Notice Regarding Status of Treasury Stock Acquisition (Acquisition of Treasury Stock Based on the Provisions of Article 459, Paragraph 1 of the Companies Act)

Overview of Capital Policy

Advantest Corporation, based on the Board of Directors resolution dated October 28, 2025, is implementing treasury stock acquisition under the provisions set forth in Article 459, Paragraph 1 of the Companies Act and the relevant Articles of Incorporation. The target shares are the Company’s common shares, with an upper limit of 18 million shares and a total acquisition amount up to ¥150 billion. From January 1 to January 31, 2026, 250,500 shares were acquired through market purchases at a total price of ¥5,978,224,500. Consequently, the cumulative number of shares acquired from November 4, 2025 to January 31, 2026 is 1,427,400 shares, with the cumulative acquisition amount totaling ¥29,430,052,500.

Impact on Shareholders and Future Outlook

This treasury stock acquisition is capped at approximately 2.5% of the total outstanding shares (excluding treasury stock) and is considered part of efforts to improve capital efficiency and enhance shareholder returns. The acquisition was conducted via market purchases on the Tokyo Stock Exchange, and the Company plans to continue purchases within the period ending October 28, 2026. The acquired shares are held as treasury stock, potentially contributing to dilution control and enhancement of shareholder value.