Notice Regarding Disposal of Treasury Stock under Post-Grant Restricted Stock Unit Plan

Overview of Treasury Stock Disposal

Advantest Corporation, based on the Board of Directors resolution dated January 28, 2026, has decided to dispose of 1,858 shares of treasury stock at 24,955 yen per share on February 27, 2026. The total disposal amount is 46,366,390 yen, and the recipients are two employees (retirees) of the Company's overseas affiliates. This disposal is carried out under the post-grant restricted stock unit plan, and a securities notification pursuant to the Financial Instruments and Exchange Act has also been submitted.

Purpose of Disposal and Overview of the Plan

This disposal aims to provide incentives for those covered under the restricted stock compensation plan to promote sustainable enhancement of corporate value and to align interests with shareholders. Under the Board resolution of May 2021 and approval at the Annual General Meeting of Shareholders in June 2024, the restricted stock compensation plan and the post-grant restricted stock unit plan are being operated. The plan applies when the recipients are non-residents; this disposal is to employees (retirees) of overseas affiliates. The payment amount is based on the market closing price as of January 27, 2026, and is a reasonable price that is not particularly favorable.