QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

CONGRESS ASSET MANAGEMENT CO /MA's Holding History (CIK: 0000897378)

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

Q4 2013

Shares 20,997 Value ($000) $1,124 Avg Close $46.46 Range $41.12 - $50.21

Q3 2013

Shares 17,500 Value ($000) $1,081 Avg Close $46.67 Range $44.29 - $48.97

Q2 2013

Shares 14,380 Value ($000) $872 Avg Close $46.22 Range $42.87 - $49.18

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	20,997	$1,124	$46.46	$41.12 - $50.21
Q3 2013	17,500	$1,081	$46.67	$44.29 - $48.97
Q2 2013	14,380	$872	$46.22	$42.87 - $49.18