Tranche Update on I'rom Group Co., Ltd.'s Equity Buyback Plan announced on November 8, 2018.

I'rom Group Co.,Ltd. is engaged in medical fields such as regenerative medicine and gene discovery. The Company operates through four business segments. The SMO segment provides support services for contracting or substituting a part of the work related to conducting clinical trials from the conducting medical institution. The CRO segment provides all or part of clinical trial operations from pharmaceutical companies and others. The Advanced Medicinal Treatment segment is engaged in the development of gene therapy products, the development, manufacture and sale of products in the field of regenerative medicine based on iPS cells related technologies, as well as the provision of contract manufacture services. The Medical Support segment provides general and comprehensive support for medical business management, such as setting up and renting clinic malls, selling products and related services. The Company also provides business utilizing IT infrastructure.