X0206 3 2018-10-26 0 0001434868 Esperion Therapeutics, Inc. ESPR 0001642355 Braslyn Ltd. CAY HOUSE EP TAYLOR DRIVE N7776, LYFORD CAY NEW PROVIDENCE C5 BAHAMAS 0 0 1 0 0001465836 Boxer Asset Management Inc. CAY HOUSE EP TAYLOR DRIVE N7776, LYFORD CAY NEW PROVIDENCE C5 BAHAMAS 0 0 1 0 0001723227 Tuesday Thirteen Inc. CAY HOUSE, EP TAYLOR DRIVE N7776, LYFORD CAY NEW PROVIDENCE C5 BAHAMAS 0 0 1 0 0001015747 LEWIS JOSEPH CAY HOUSE EP TAYLOR DRIVE N7776, LYFORD CAY NEW PROVIDENCE C5 BAHAMAS 0 0 1 0 0001465837 Boxer Capital, LLC 11682 EL CAMINO REAL, SUITE 320 SAN DIEGO CA 92130 0 0 1 0 Common Stock 1401000 D Common Stock 1201250 D Common Stock 100 D Call Option 50.00 2018-10-25 2019-03-15 Common Stock 100000 D Call Option 60.00 2018-10-25 2019-03-15 Common Stock 70000 D These securities are owned directly by Braslyn Ltd. ("Braslyn"), which may be deemed to be a member of a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, consisting of (i) Braslyn, (ii) Boxer Capital, LLC ("Boxer Capital"), (iii) Boxer Asset Management Inc. ("Boxer Management"), (iv) Tuesday Thirteen Inc. ("Tuesday Thirteen") and (v) Joseph C. Lewis (collectively, the "Boxer Group"), and indirectly by Joseph C. Lewis. Each member of the Boxer Group other than Boxer Capital disclaims beneficial ownership of these securities to the extent it does not have a pecuniary interest therein. These securities are owned directly by Boxer Capital and indirectly by Boxer Management and Joseph C. Lewis. These securities are owned directly by Tuesday Thirteen and indirectly by Joseph C. Lewis. Braslyn Ltd., By: /s/ Joseph C. Lewis, Director 2018-10-30 Boxer Capital, LLC, By: /s/ Aaron I. Davis, Chief Executive Officer 2018-10-30 Boxer Asset Management Inc., By: /s/ Jason C. Callender, Director 2018-10-30 Tuesday Thirteen Inc., By: /s/ Joseph C. Lewis, Director 2018-10-30 /s/ Joseph C. Lewis 2018-10-30