Name of Company PRC Group AG Registered by the Canton of Schwyz, Switzerland Medical License Issued by the health authority of the Canton of Zurich (Gesundheitsdirektion Kanton Zürich) Type of Registration Limited Liability Company (AG) under Swiss law Company registration no. CH-020.3.039.001-2 Registration Address Erlenhalde 2b 8832 Wollerau Phone +41 52 222 8800 (office) +41 52 624 6334 (fax)