Notice Regarding Additional Acquisition of Shares in SmartViser SAS (Becoming a Consolidated Subsidiary)

Anritsu Corporation (President and CEO: Koichi Hamada) resolved at its Board of Directors meeting held on March 31, 2026, to enter into a share transfer agreement for the purpose of acquiring an additional 18.28% of the issued shares of SmartViser SAS (Headquarters: Rennes, France; hereinafter referred to as SmartViser), in which the Company currently holds a 32.72% stake, thereby making it a consolidated subsidiary.

SmartViser is scheduled to become a consolidated subsidiary of Anritsu in August 2026 through this share acquisition. This share acquisition is expected to be executed upon completion of the necessary procedures based on applicable laws and regulations. During the period until closing, both companies will operate independently, with management and business decisions made individually by each company. Purpose of Share Acquisition SmartViser is a vendor that deploys automated testing solutions to mobile network operators, device manufacturers, and others. Its business includes performance evaluation, functional testing, quality monitoring of mobile networks and devices, and compliance with the EU's Energy Efficiency Index (EEI) regulations for smartphones.

In March 2025, Anritsu acquired a 32.72% stake in SmartViser and has since collaborated with the company on the premise of each company's independence.

By making SmartViser a consolidated subsidiary, Anritsu will be able to leverage SmartViser's technical capabilities in test automation and efficiency in conjunction with Anritsu's advanced test solutions in the telecommunications field. This is expected to expand business opportunities not only in the smartphone market but also in various industrial areas utilizing communication technology, such as private networks, mission-critical networks, and automotive-related fields. Through these initiatives, Anritsu aims to contribute to the realization of carbon neutrality and a smart society. Overview of SmartViser SAS Company Name SmartViser SAS Location 12B rue du Patis Tatelin 35700 Rennes, France Representative CEO Gilles Ricordel Date of Establishment September 17, 2014 Capital €170,980