Please visit our Patient Support page if you are a patient or caregiver looking for more information about Horizon's patient support program, Horizon By Your Side. This program is available for eligible U.S residents only.

In the U.S., to request medical information, please call 1-866-479-6742 (Option 1). If you are a U.S. health care professional looking for medical information, please visit our Medical Resources page.

 If you are located outside the U.S., please use the relevant contact information below:

• Austria: call 0800 909 200 or email medicalinformationEU@horizontherapeutics.com
• Brazil: call 0800 761 0186 or email medicalinformationBR@horizontherapeutics.com
• Canada: call 1-866-479-6742 (Option 1) or email medicalinformation@horizontherapeutics.com
• Germany: call 0800 4 500006 or email medicalinformationEU@horizontherapeutics.com
• Italy: call 80 097 172 6 or email medicalinformationEU@horizontherapeutics.com
• Saudi Arabia: email Safety_KSA@horizontherapeutics.com
• Spain: call 90 0816 508 or email medicalinformationEU@horizontherapeutics.com

In the U.S., to report an adverse event/side effect or quality complaint related to any Horizon medicine, please call 1-866-479-6742 (Option 1).

In Canada, to report an adverse event/side effect or quality complaint related to any Horizon medicine, please call TranscendRare™ at 1-844-380-7850 (Monday to Friday 8 a.m. – 8 p.m. EST) or call 1-866-479-6742 (Option 1).

If you are located outside the U.S. or Canada, to report an adverse event/side effect or quality complaint related to any Horizon medicine, please use the relevant contact information below:

• Austria: call 0800 909 200
• Brazil: call 0800 761 0186
• Germany: call 0800 4 500006
• Italy: call 80 097 172 6
• Saudi Arabia: email Safety_KSA@horizontherapeutics.com
• Spain: call 90 0816 508

To find more information about our Named Patient Use Programs, please visit the following pages:

• Named Patient Use Program for TEPEZZA® (teprotumumab-trbw)
• Named Patient Use Program for UPLIZNA® (inebilizumab-cdon)

If you would like to submit partnering inquiries, please contact us at bd@horizontherapeutics.com.

To connect with our investor relations team, please contact us at Investor-relations@horizontherapeutics.com.

To connect with our corporate social responsibility team, please contact us at csr@horizontherapeutics.com.

To submit an inquiry or report a concern please connect with our Ethics & Compliance and Privacy team at privacy@horizontherapeutics.com.

Questions regarding the medical education grant submission process can be sent to medicaleducation@horizontherapeutics.com, and questions regarding the external research grant submission process can be sent to externalresearch@horizontherapeutics.com.

For U.S. media inquiries, contact media@horizontherapeutics.com. For EU media inquiries, contact erigby@horizontherapeutics.com.

Canada