IN THE SUPREME COURT OF THE STATE OF DELAWARE JOHN SOLAK, derivatively on behalf of § ULTRAGENYX PHARMACEUTICAL § INC., § No. 452, 2019 § Plaintiff-Below, § Appellant, § Court Below: § Court of Chancery v. § of the State of Delaware § DANIEL G. WELCH, EMIL D. § KAKKIS, M.D., PH.D., WILLIAM § No. 2018-0810-KSJM ALISKI, DEBORAH DUNSIRE, M.D., § LARS EKMAN, M.D., PH.D., § MATTHEW K. FUST, MICHAEL § NARACHI AND CLAY B. SIEGALL, § PH.D., § § Defendants-Below, § Appellees, § § and § § ULTRAGENYX PHARMACEUTICAL § INC., A DELAWARE § CORPORATION, § § Nominal Defendant-Below, § Appellee. § Submitted: April 15, 2020 Decided: April 30, 2020 Before VALIHURA, VAUGHN, and MONTGOMERY-REEVES, Justices.

ORDER Now this 30th day of April, 2020 having considered this matter on the briefs of the parties and the record below, and having concluded that the same should be affirmed on the basis of and for the reasons assigned by the Court of Chancery in its Memorandum Opinion dated October 30, 2019; NOW, THEREFORE IT IS ORDERED that the judgment of the Court of Chancery be, and the same hereby is, AFFIRMED.

BY THE COURT: /s/ Karen L. Valihura Justice