COVID-19 infection update at our China Manufacturing Centers.

We are pleased to inform you that the employee who was diagnosed with COVID-19 infection at our headquarters was confirmed negative for COVID-19 on September 11 by a PCR Diagnostic Panel Test and was released from hospital.

As of November 6, all four employees who had close contact with the infected employee had tested negative. On December10, under the supervision of local authorities, the headquarter building and common area were disinfected and sterilized, and operations at the headquarters were allowed to resume.

We will keep on making every effort to prevent the virus from spreading further and to ensure a steady supply of our products.