MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

Redmile Group, LLC's Holding History (CIK: 0001425738)

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

Q2 2020

Shares 524,300 Value ($000) $40,544 Avg Close $62.87 Range $58.07 - $67.36

Q1 2020

Shares 788,500 Value ($000) $60,667 Avg Close $65.09 Range $51.91 - $72.71

Q4 2013

Shares 2,400 Value ($000) $120 Avg Close $31.29 Range $29.09 - $32.94

Q3 2013

Shares 1,900 Value ($000) $90 Avg Close $30.97 Range $29.74 - $31.75

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	524,300	$40,544	$62.87	$58.07 - $67.36
Q1 2020	788,500	$60,667	$65.09	$51.91 - $72.71
Q4 2013	2,400	$120	$31.29	$29.09 - $32.94
Q3 2013	1,900	$90	$30.97	$29.74 - $31.75