QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

South Dakota Investment Council's Holding History (CIK: 0001538846)

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

Q1 2016

Shares 26,700 Value ($000) $1,908 Avg Close $55.15 Range $49.08 - $59.76

Q4 2015

Shares 26,700 Value ($000) $1,899 Avg Close $54.99 Range $49.21 - $59.25

Q3 2015

Shares 26,700 Value ($000) $1,641 Avg Close $56.82 Range $48.84 - $61.18

Q2 2015

Shares 26,700 Value ($000) $1,936 Avg Close $59.70 Range $56.18 - $71.98

Q1 2015

Shares 17,400 Value ($000) $1,337 Avg Close $57.60 Range $52.93 - $63.03

Q4 2014

Shares 17,400 Value ($000) $1,167 Avg Close $50.52 Range $45.06 - $54.86

Q3 2014

Shares 10,400 Value ($000) $631 Avg Close $49.06 Range $46.54 - $51.28

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	26,700	$1,908	$55.15	$49.08 - $59.76
Q4 2015	26,700	$1,899	$54.99	$49.21 - $59.25
Q3 2015	26,700	$1,641	$56.82	$48.84 - $61.18
Q2 2015	26,700	$1,936	$59.70	$56.18 - $71.98
Q1 2015	17,400	$1,337	$57.60	$52.93 - $63.03
Q4 2014	17,400	$1,167	$50.52	$45.06 - $54.86
Q3 2014	10,400	$631	$49.06	$46.54 - $51.28