Wintest Corporation cancelled the acquisition of acoustic, semiconductor inspection device business and ROM writing service business of Yamada Den-On Co.,Ltd.

Wintest Corp. is a Japan-based company engaged in semiconductor inspection equipment business and new energy related business. The Company primarily engaged in the lending, design, sales and technical support of semiconductor inspection equipment. The Semiconductor Inspection Equipment business is engaged in the development, design, sales, lending and technical support of inspection device used for testing process in the manufacturing processes, including image sensor processing, display processing and display driver integrated circuit processing. The New Energy Related business is engaged in the inspection, maintenance and warranty management of solar power system.