Jazz Pharmaceuticals (JAZZ) 10-K/A 2016 FY Annual report (amended)

EXHIBIT 31.3

CERTIFICATION

I, Bruce C. Cozadd, certify that:

1. I have reviewed this Amendment No. 1 to the annual report on Form10-K/A of Jazz Pharmaceuticals public limited company; and

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

Date:        April 25, 2017	By:	/s/ Bruce C. Cozadd
		Bruce C. Cozadd Chairman and Chief Executive Officer