Admission to Listing Announcement: - Horizon Therapeutics Ireland DAC., US$4,174,571,989 – 6.9% Promissory Note due December 31, 2029;

Hamilton, Bermuda: March 20, 2020 - The Bermuda Stock Exchange announces the admission of the following securities to its Official List:

·         Name of Issuer: - Horizon Therapeutics Ireland DAC.,

• Description of Securities: -6.9% Promissory Note due December 31, 2029;

·         Nominal Amount of Securities: - US$4,174,571,989 of Notes.

·         Listing Classification: - Section IIIB – International Issuers Debt Securities.

·         Method of Listing: - Introduction

·         Date of Admission to Listing: - March 20, 2020

·         Listing Sponsor: - Clarien BSX Services Limited.

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