GRAINGER W W INC

Ticker: GWW CUSIP: 384802104 Class: COM

Mawer Investment Management Ltd.'s Holding History (CIK: 0001538449)

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

Q3 2016

Shares 55,455 Value ($000) $12,469 Avg Close $194.57 Range $185.31 - $204.35

Q2 2016

Shares 90,495 Value ($000) $20,565 Avg Close $196.22 Range $183.45 - $205.91

Q1 2016

Shares 111,355 Value ($000) $25,994 Avg Close $179.37 Range $150.86 - $201.46

Q4 2015

Shares 107,375 Value ($000) $21,753 Avg Close $174.89 Range $161.74 - $197.66

Q3 2015

Shares 159,460 Value ($000) $34,285 Avg Close $190.10 Range $164.93 - $202.55

Q2 2015

Shares 137,290 Value ($000) $32,490 Avg Close $204.21 Range $191.55 - $212.59

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	55,455	$12,469	$194.57	$185.31 - $204.35
Q2 2016	90,495	$20,565	$196.22	$183.45 - $205.91
Q1 2016	111,355	$25,994	$179.37	$150.86 - $201.46
Q4 2015	107,375	$21,753	$174.89	$161.74 - $197.66
Q3 2015	159,460	$34,285	$190.10	$164.93 - $202.55
Q2 2015	137,290	$32,490	$204.21	$191.55 - $212.59