HALLIBURTON CO

Ticker: HAL CUSIP: 406216101 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q2 2018

Shares 177,299 Value ($000) $7,989 Avg Close $42.64 Range $38.13 - $46.97

Q4 2014

Shares 35,887 Value ($000) $1,411 Avg Close $39.28 Range $30.13 - $52.31

Q3 2014

Shares 126,495 Value ($000) $8,160 Avg Close $55.20 Range $50.84 - $59.79

Q2 2014

Shares 148,131 Value ($000) $10,519 Avg Close $51.48 Range $45.85 - $57.32

Q1 2014

Shares 146,912 Value ($000) $8,652 Avg Close $42.79 Range $38.10 - $48.14

Q4 2013

Shares 77,388 Value ($000) $3,927 Avg Close $41.29 Range $38.30 - $45.11

Q3 2013

Shares 142,884 Value ($000) $6,880 Avg Close $37.32 Range $33.32 - $40.31

Q2 2013

Shares 100,646 Value ($000) $4,199 Avg Close $33.21 Range $29.18 - $36.31

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	177,299	$7,989	$42.64	$38.13 - $46.97
Q4 2014	35,887	$1,411	$39.28	$30.13 - $52.31
Q3 2014	126,495	$8,160	$55.20	$50.84 - $59.79
Q2 2014	148,131	$10,519	$51.48	$45.85 - $57.32
Q1 2014	146,912	$8,652	$42.79	$38.10 - $48.14
Q4 2013	77,388	$3,927	$41.29	$38.30 - $45.11
Q3 2013	142,884	$6,880	$37.32	$33.32 - $40.31
Q2 2013	100,646	$4,199	$33.21	$29.18 - $36.31