ATKORE INC

Ticker: ATKR CUSIP: 047649108 Class: Common Stock

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q4 2016

Shares 870,662 Value ($000) $20,818 Avg Close $19.83 Range $17.36 - $23.48

Q3 2016

Shares 943,575 Value ($000) $17,683 Avg Close $16.69 Range $13.67 - $18.49

Q2 2016

Shares 975,000 Value ($000) $15,600 Avg Close $15.59 Range $14.87 - $16.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	870,662	$20,818	$19.83	$17.36 - $23.48
Q3 2016	943,575	$17,683	$16.69	$13.67 - $18.49
Q2 2016	975,000	$15,600	$15.59	$14.87 - $16.25