QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

CLOUGH CAPITAL PARTNERS L P's Holding History (CIK: 0001276144)

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

Q4 2020

Shares 242,525 Value ($000) $28,902 Avg Close $110.49 Range $98.77 - $118.60

Q3 2020

Shares 207,575 Value ($000) $23,765 Avg Close $106.55 Range $93.90 - $118.90

Q2 2020

Shares 86,530 Value ($000) $9,861 Avg Close $95.20 Range $65.05 - $112.22

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	242,525	$28,902	$110.49	$98.77 - $118.60
Q3 2020	207,575	$23,765	$106.55	$93.90 - $118.90
Q2 2020	86,530	$9,861	$95.20	$65.05 - $112.22