Investor Presentaiton

. • • • • • Oneness at a Glance Ticker: 4743 TT (IPO in 2011; MSCI Global Standard Indexes) Market Cap: ~US$ 3.4 bn (as of 2022/2/11) Headquarter & Research Site: Taipei, Taiwan Focus in chronic dermatological, immunological diseases Pipeline across pre-clinical to NDA/market stages PIC/S GMP certified Manufacturing Site: Pingtung, Taiwan ~170 Employees (as of 2022/1/31) • Science . Integrity Transparency ONENESS | 3

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