JAZZ PHARMACEUTICALS PLC

Ticker: JAZZ CUSIP: G50871105 Class: Common Stock

Senator Investment Group LP's Holding History (CIK: 0001443689)

Note: Option positions (PUT/CALL) are excluded.

Q4 2018

Shares 408,000 Value ($000) $50,576 Avg Close $148.35 Range $113.52 - $169.82

Q3 2018

Shares 1,025,000 Value ($000) $172,333 Avg Close $171.98 Range $160.15 - $181.46

Q2 2018

Shares 1,030,000 Value ($000) $177,469 Avg Close $163.46 Range $145.13 - $184.00

Q1 2018

Shares 1,498,295 Value ($000) $226,228 Avg Close $146.69 Range $132.88 - $159.72

Q4 2017

Shares 1,398,295 Value ($000) $188,280 Avg Close $138.70 Range $128.58 - $151.45

Q3 2017

Shares 1,300,000 Value ($000) $190,125 Avg Close $151.23 Range $139.28 - $162.59

Q2 2017

Shares 1,000,000 Value ($000) $155,500 Avg Close $152.92 Range $139.72 - $163.75

Q1 2017

Shares 750,000 Value ($000) $108,848 Avg Close $130.25 Range $109.14 - $148.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	408,000	$50,576	$148.35	$113.52 - $169.82
Q3 2018	1,025,000	$172,333	$171.98	$160.15 - $181.46
Q2 2018	1,030,000	$177,469	$163.46	$145.13 - $184.00
Q1 2018	1,498,295	$226,228	$146.69	$132.88 - $159.72
Q4 2017	1,398,295	$188,280	$138.70	$128.58 - $151.45
Q3 2017	1,300,000	$190,125	$151.23	$139.28 - $162.59
Q2 2017	1,000,000	$155,500	$152.92	$139.72 - $163.75
Q1 2017	750,000	$108,848	$130.25	$109.14 - $148.14