Type	Name	Date
Indenture	Second Supplemental Indenture, among Alder BioPharmaceuticals, Inc., Lundbeck LLC, and U.S. Bank National Association	10/22/2019
Underwriting agreement	Underwriting Agreement	03/01/2019
Underwriting agreement	Underwriting Agreement	02/01/2018
Indenture	First Supplemental Indenture, between the Company and U.S. Bank National Association, as Trustee (including the form of 2.50% convertible senior notes due 2025)	02/01/2018
Underwriting agreement	Underwriting Agreement	07/14/2017
Underwriting agreement	Underwriting Agreement	04/08/2016
Underwriting agreement	Underwriting Agreement	06/26/2015