X0206 3 2017-10-24 0 0001610618 Cidara Therapeutics, Inc. CDTX 0001259870 BIOTECH TARGET N V SNIPWEG 26 CURACAO P8 00000 NETHERLANDS ANTILLES 0 0 1 0 0000924223 BB BIOTECH AG SCHWERTSTRASSE 6 SCHAFFHAUSEN V8 CH-8200 SWITZERLAND 0 0 1 0 Common Stock 2235272 D Biotech Target N.V. is a wholly-owned subsidiary of BB Biotech AG. Accordingly, BB Biotech AG may be deemed to be the indirect beneficial owner of the securities of Cidara Therapeutics, Inc. held directly or indirectly by Biotech Target N.V. The Form 3 is jointly filed by BB Biotech AG and Biotech Target N.V. /s/ Ivo Betschart 2017-10-26 /s/ Michael Hutter 2017-10-26