MSC INDL DIRECT INC

Ticker: MSM CUSIP: 553530106 Class: EQTY

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q2 2016

Shares 126,694 Value ($000) $8,940,000 Avg Close $74.22 Range $67.74 - $78.35

Q1 2016

Shares 288,398 Value ($000) $22,008,000 Avg Close $66.99 Range $54.19 - $76.58

Q4 2015

Shares 223,286 Value ($000) $12,564,000 Avg Close $60.48 Range $54.52 - $65.27

Q3 2015

Shares 204,679 Value ($000) $12,492,000 Avg Close $68.15 Range $60.38 - $72.40

Q2 2015

Shares 15,698 Value ($000) $1,095,000 Avg Close $71.18 Range $68.16 - $73.91

Q1 2015

Shares 136,700 Value ($000) $9,870,000 Avg Close $74.62 Range $69.56 - $82.17

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2016	126,694	$8,940,000	$74.22	$67.74 - $78.35
Q1 2016	288,398	$22,008,000	$66.99	$54.19 - $76.58
Q4 2015	223,286	$12,564,000	$60.48	$54.52 - $65.27
Q3 2015	204,679	$12,492,000	$68.15	$60.38 - $72.40
Q2 2015	15,698	$1,095,000	$71.18	$68.16 - $73.91
Q1 2015	136,700	$9,870,000	$74.62	$69.56 - $82.17