Exhibit 4
Allergan EquiCo B.V.
Keizerstraat 13
4811 HL Breda
Netherlands
August 3, 2016
Securities and Exchange Commission
100 F Street, NE
Washington, DC 20549
This letter confirms that A. Robert D. Bailey is authorized and designated to sign all securities related filings with the Securities and Exchange Commission on behalf of Allergan EquiCo B.V. This authorization and designation shall be valid for three years from the date of this letter.
Allergan EquiCo B.V. | ||
By: | /s/ Maurice Mulders |
Name: | Maurice Mulders | |
Title: | Managing Director |