QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q3 2018

Shares 12,700 Value ($000) $1,370 Avg Close $94.62 Range $90.13 - $99.79

Q4 2017

Shares 70,400 Value ($000) $6,934 Avg Close $80.65 Range $76.65 - $87.31

Q3 2017

Shares 5,000 Value ($000) $468 Avg Close $89.87 Range $77.62 - $95.26

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	12,700	$1,370	$94.62	$90.13 - $99.79
Q4 2017	70,400	$6,934	$80.65	$76.65 - $87.31
Q3 2017	5,000	$468	$89.87	$77.62 - $95.26