HALLIBURTON CO

Ticker: HAL CUSIP: 406216101 Class: COM

Senator Investment Group LP's Holding History (CIK: 0001443689)

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

Q4 2016

Shares 650,000 Value ($000) $35,158 Avg Close $41.70 Range $36.96 - $47.01

Q2 2016

Shares 1,500,000 Value ($000) $67,935 Avg Close $34.14 Range $27.56 - $38.85

Q1 2014

Shares 2,000,000 Value ($000) $117,780 Avg Close $42.79 Range $38.10 - $48.14

Q4 2013

Shares 2,250,000 Value ($000) $114,188 Avg Close $41.29 Range $38.30 - $45.11

Q3 2013

Shares 2,000,000 Value ($000) $96,300 Avg Close $37.32 Range $33.32 - $40.31

Q2 2013

Shares 3,000,000 Value ($000) $125,160 Avg Close $33.21 Range $29.18 - $36.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	650,000	$35,158	$41.70	$36.96 - $47.01
Q2 2016	1,500,000	$67,935	$34.14	$27.56 - $38.85
Q1 2014	2,000,000	$117,780	$42.79	$38.10 - $48.14
Q4 2013	2,250,000	$114,188	$41.29	$38.30 - $45.11
Q3 2013	2,000,000	$96,300	$37.32	$33.32 - $40.31
Q2 2013	3,000,000	$125,160	$33.21	$29.18 - $36.31