Announcement of Company Name Changes

Sumitomo Heavy Industries Ion Technology Co., Ltd. (Head Office: Shinagawa-ku, Tokyo; President: Mitsukuni Tsukihara, “SMIT”) and Laser System & Solutions of Europe SASU (Head Office: France; President: Masashi Tsuchiya, “LASSE”) hereby announce that both companies will change their names effective January 1, 2026.

For many years, SMIT and LASSE have been providing cutting-edge material modification technologies essential for semiconductor manufacturing, including ion implantation and laser systems. This name change reflects our commitment to accelerating technological innovation in the semiconductor field and expanding our global presence, while clearly positioning ourselves as solution-driven companies.

Under the new names, striving to address diverse customer challenges and deliver innovative technologies and services worldwide.

New Company Names and Details

• Sumitomo Heavy Industries Material Solutions Co., Ltd.
  Former name: Sumitomo Heavy Industries Ion Technology Co., Ltd.
  Effective date: January 1, 2026
  Note: No changes to address, phone number, or business activities
• Sumitomo (SHI) Material Solutions Europe SASU
  Former name: Laser System & Solutions of Europe SASU
  Effective date: January 1, 2026
  Note: No changes to address, phone number, or business activities.