ARMSTRONG WORLD INDS INC NEW

Ticker: AWI CUSIP: 04247X102 Class: EQTY

K2 PRINCIPAL FUND, L.P.'s Holding History (CIK: 0001461790)

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

Q2 2015

Shares 55,146 Value ($000) $2,938 Avg Close $51.87 Range $49.25 - $54.85

Q4 2014

Shares 81,194 Value ($000) $4,151 Avg Close $46.09 Range $40.93 - $52.13

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	55,146	$2,938	$51.87	$49.25 - $54.85
Q4 2014	81,194	$4,151	$46.09	$40.93 - $52.13