Orient Europharma Co., Ltd.

Taiwan

ORIENT EUROPHARMA PTE LTD

Singapore

Orient Pharma Co., Ltd.

Taiwan

ORIENT PHARMA CO., LTD. YUNLIN PLANT

Taiwan

NOVARTIS EUROPHARM LIMITED

United Kingdom

Novartis Europharm Ltd.

United Kingdom

ViroPharma Incorporated

Ewopharma AG

Switzerland

EUROPHARM LABORATOIRES COMPANY LIMITED

Hong Kong, China

Shire ViroPharma, Inc.

United States