Investor Presentaiton

CTS Key Business Updates Number of Ongoing Drug Clinical Research Projects by Phase(1) Number of Ongoing Drug Clinical Research Projects by Region (1) 800 772 800 772 74 62 680 680 700 700 35 607 67 607 62 600 34 600 207 52 185 58 37 188 500 160 500 149 149 400 146 400 134 300 117 300 503 200 430 200 400 332 285 252 100 100 0 06/30/2022 12/31/2022 06/30/2023 ■Phase I (including PK studies) Phase II Phase III Phase IV Others (1) As of year/period end ● Tigermed (2) Others primarily consist of investigator-initiated studies and real world studies 0 (2) 06/30/2022 12/31/2022 06/30/2023 ■PRC (single region) Overseas (single region) MRCTs 10 10

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