QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

Sarissa Capital Management LP's Holding History (CIK: 0001577524)

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

Q3 2016
Shares 50,000 Value ($000) $4,231 Avg Close $69.82 Range $66.73 - $72.20
Q2 2016
Shares 159,000 Value ($000) $12,944 Avg Close $62.99 Range $58.34 - $67.34
Q1 2016
Shares 575,000 Value ($000) $41,083 Avg Close $55.15 Range $49.08 - $59.76
Q4 2015
Shares 575,000 Value ($000) $40,906 Avg Close $54.99 Range $49.21 - $59.25
Q3 2015
Shares 575,000 Value ($000) $35,345 Avg Close $56.82 Range $48.84 - $61.18
Q2 2015
Shares 575,000 Value ($000) $41,699 Avg Close $59.70 Range $56.18 - $71.98
Q1 2015
Shares 775,000 Value ($000) $59,559 Avg Close $57.60 Range $52.93 - $63.03
Q4 2014
Shares 775,000 Value ($000) $51,972 Avg Close $50.52 Range $45.06 - $54.86
Q3 2014
Shares 775,000 Value ($000) $47,027 Avg Close $49.06 Range $46.54 - $51.28
Q2 2014
Shares 775,000 Value ($000) $45,485 Avg Close $46.37 Range $43.49 - $49.44
Q1 2014
Shares 775,000 Value ($000) $44,888 Avg Close $42.22 Range $39.75 - $47.66
Q4 2013
Shares 700,000 Value ($000) $37,478 Avg Close $46.46 Range $41.12 - $50.21