GRAINGER W W INC

Ticker: GWW CUSIP: 384802104 Class: COM

ARIEL INVESTMENTS, LLC's Holding History (CIK: 0000936753)

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

Q3 2016

Shares 7,303 Value ($000) $1,642 Avg Close $194.57 Range $185.31 - $204.35

Q2 2016

Shares 7,303 Value ($000) $1,660 Avg Close $196.22 Range $183.45 - $205.91

Q1 2016

Shares 7,081 Value ($000) $1,653 Avg Close $179.37 Range $150.86 - $201.46

Q4 2015

Shares 6,409 Value ($000) $1,298 Avg Close $174.89 Range $161.74 - $197.66

Q3 2015

Shares 7,909 Value ($000) $1,701 Avg Close $190.10 Range $164.93 - $202.55

Q2 2015

Shares 6,950 Value ($000) $1,645 Avg Close $204.21 Range $191.55 - $212.59

Q1 2015

Shares 5,669 Value ($000) $1,337 Avg Close $199.99 Range $191.51 - $214.86

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	7,303	$1,642	$194.57	$185.31 - $204.35
Q2 2016	7,303	$1,660	$196.22	$183.45 - $205.91
Q1 2016	7,081	$1,653	$179.37	$150.86 - $201.46
Q4 2015	6,409	$1,298	$174.89	$161.74 - $197.66
Q3 2015	7,909	$1,701	$190.10	$164.93 - $202.55
Q2 2015	6,950	$1,645	$204.21	$191.55 - $212.59
Q1 2015	5,669	$1,337	$199.99	$191.51 - $214.86