QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

NIPPON LIFE INSURANCE CO's Holding History (CIK: 0000905591)

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

Q3 2017

Shares 14,585 Value ($000) $1,366 Avg Close $89.87 Range $77.62 - $95.26

Q2 2017

Shares 14,130 Value ($000) $1,571 Avg Close $89.16 Range $81.72 - $94.33

Q1 2017

Shares 14,936 Value ($000) $1,467 Avg Close $80.00 Range $75.65 - $83.94

Q4 2016

Shares 11,361 Value ($000) $1,044 Avg Close $71.99 Range $66.09 - $78.16

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	14,585	$1,366	$89.87	$77.62 - $95.26
Q2 2017	14,130	$1,571	$89.16	$81.72 - $94.33
Q1 2017	14,936	$1,467	$80.00	$75.65 - $83.94
Q4 2016	11,361	$1,044	$71.99	$66.09 - $78.16