QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

COUNTRY TRUST BANK's Holding History (CIK: 0001209324)

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

Q4 2015

Shares 67 Value ($000) $5 Avg Close $54.99 Range $49.21 - $59.25

Q3 2015

Shares 89 Value ($000) $5 Avg Close $56.82 Range $48.84 - $61.18

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	67	$5	$54.99	$49.21 - $59.25
Q3 2015	89	$5	$56.82	$48.84 - $61.18