ASTRAZENECA PLC

Ticker: AZN CUSIP: 046353108 Class: SPONSORED ADR

VIKING GLOBAL INVESTORS LP's Holding History (CIK: 0001103804)

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

Q4 2016

Shares 2,859,129 Value ($000) $78,111 Avg Close — Range —

Q3 2016

Shares 4,175,587 Value ($000) $137,210 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	2,859,129	$78,111	—	—
Q3 2016	4,175,587	$137,210	—	—