August 20, 2022, Beijing – Sinovac Biotech Ltd. (NASDAQ: SVA) (“SINOVAC” or the “Company”), a leading provider of biopharmaceutical products in China, today announced that the Quality Control (QC) laboratory of its subsidiary Sinovac Beijing, has been accredited by the China National Accreditation Service for Conformity Assessment (CNAS), confirming the lab meets ISO 17025 global standards for operational competence and validity.

The certification (Registration No. CNAS L16860) is in accordance with ISO/IEC 17025 requirements for testing and calibration laboratories. The accreditation signals the Beijing Sinovac QC laboratory meets global industry regulations for quality and accuracy for 50 total parameters, to competently undertake services for six types of testing objects for biological products, prefilled syringe assembly and more.

In conferring the accreditation, CNAS’ review committee assessed the QC laboratory’s quality management system and testing capabilities for biological products and packaging materials. The committee unanimously certified the high standards of the laboratory’s environmental conditions, organizational structure, personnel, equipment and operations of its quality management system. The committee confirmed that the QC laboratory met all application parameters.

About CNAS

The China National Accreditation Service for Conformity Assessment (CNAS) is China’s national accreditation body unitarily responsible for the accreditation of certification bodies, laboratories and inspection bodies, established under the approval of the Certification and Accreditation Administration of the People’s Republic of China (CNCA) and authorized in accordance with the Regulations of the People’s Republic of China on Certification and Accreditation.