Advantest Selected for the Fourth Consecutive Year for DJBIC Asia Pacific

TOKYO, Japan—May 13, 2026—Leading semiconductor test equipment supplier Advantest Corporation (TSE: 6857) today announced that it has been selected for the fourth consecutive year as a constituent of the Dow Jones Best-in-Class Asia Pacific Index (DJBIC Asia Pacific), as announced by S&P Global in the United States.

The DJBIC (formerly known as the Dow Jones Sustainability Indices, or DJSI) is a stock index composed of companies selected by S&P Global for their strong sustainability performance. Since its launch in 1999, the index has been widely recognized as an important global benchmark for assessing corporate sustainability performance.

In its third mid-term management plan, Advantest has positioned “enhancing sustainability initiatives” as one of its key strategies. To promote sustainability, the company has established a Sustainability Policy and formulated its Sustainability Action Plan 2024–2026, which defines priority themes together with specific goals and key performance indicators (KPIs). Through company-wide efforts aligned with this action plan, Advantest continues to work toward achieving these goals and contributing to broader sustainability objectives.

For more information about Advantest’s sustainability initiatives, please visit the company’s sustainability website.

Advantest (TSE Prime: 6857) is the leading manufacturer of automatic test and measurement equipment used in the design and production of semiconductor devices such as high-performance compute (HPC), artificial intelligence (AI), automotive, industrial and consumer applications. Founded in Tokyo in 1954, Advantest is a global company with facilities around the world and an international commitment to sustainable practices and social responsibility. Its leading-edge systems and products are integrated into the most advanced semiconductor production lines in the world. The company offers a broad portfolio of test solutions that span the semiconductor value chain, developing advanced test solutions for wafer sort and final test, design verification and silicon validation, and system-level test solutions, as well as test handlers, device interfaces and scanning electron microscopes essential to photomask manufacturing. Advantest also offers data analytics solutions designed to improve semiconductor yield. More information is available at www.advantest.com/en/.