We hope this letter finds you well. We would like to take this opportunity to express our sincere gratitude for your continued support. We are pleased to inform you that a portion of our shares, previously held by a fund managed and operated by ACA Secondaries Co., Ltd., has been transferred to YAC Holdings Co., Ltd.
As a result of this transfer, our company will become a subsidiary of YAC Holdings Co., Ltd. (*listed on the Tokyo Stock Exchange Prime Market) However, this will not affect our business operations, including the development, manufacturing, sales, and maintenance of optical measurement instruments, nor will it impact our relationship with our valued customers. There will be no changes to our organizational structure and personnel.
We will strive to advance our business by integrating our cutting-edge optical measurement technology with YAC Holdings Co., Ltd.’s expertise in machinery development and sales capabilities. Moving forward, we will continue to operate our business to meet the needs of our valued customers.
We sincerely appreciate your continued trust and partnership, and we look forward to serving you in the future.

【YAC】
– Company Name: Y.A.C. HOLDINGS CO., LTD.
– Location: 3-11-10 Musashino, Akishima-shi, Tokyo, Japan
– President, Representative Director: Takefumi Momose
– Capital stock: JP\ 2,801Million
– Shareholding: 67%
– Business Overview: Development, design, manufacturing, sales, and maintenance services of products in three sectors: semiconductor & mechatronics, environmental & social infrastructure, and medical & healthcare.
– Company URL: https://www.yac.co.jp/en/index.html