GRAINGER W W INC

Ticker: GWW CUSIP: 384802104 Class: COM

Cornerstone Investment Partners, LLC's Holding History (CIK: 0001328062)

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

Q1 2016

Shares 346,542 Value ($000) $80,893 Avg Close $179.37 Range $150.86 - $201.46

Q4 2015

Shares 367,802 Value ($000) $74,513 Avg Close $174.89 Range $161.74 - $197.66

Q3 2015

Shares 421,431 Value ($000) $90,612 Avg Close $190.10 Range $164.93 - $202.55

Q2 2015

Shares 609,790 Value ($000) $144,307 Avg Close $204.21 Range $191.55 - $212.59

Q1 2015

Shares 760,246 Value ($000) $179,274 Avg Close $199.99 Range $191.51 - $214.86

Q4 2014

Shares 1,049,138 Value ($000) $267,415 Avg Close $205.91 Range $186.43 - $218.71

Q3 2014

Shares 1,019,274 Value ($000) $256,500 Avg Close $203.85 Range $191.62 - $212.51

Q2 2014

Shares 652,666 Value ($000) $165,953 Avg Close $211.37 Range $202.37 - $223.51

Q1 2014

Shares 641,202 Value ($000) $162,006 Avg Close $205.60 Range $187.55 - $219.85

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	346,542	$80,893	$179.37	$150.86 - $201.46
Q4 2015	367,802	$74,513	$174.89	$161.74 - $197.66
Q3 2015	421,431	$90,612	$190.10	$164.93 - $202.55
Q2 2015	609,790	$144,307	$204.21	$191.55 - $212.59
Q1 2015	760,246	$179,274	$199.99	$191.51 - $214.86
Q4 2014	1,049,138	$267,415	$205.91	$186.43 - $218.71
Q3 2014	1,019,274	$256,500	$203.85	$191.62 - $212.51
Q2 2014	652,666	$165,953	$211.37	$202.37 - $223.51
Q1 2014	641,202	$162,006	$205.60	$187.55 - $219.85