OWENS CORNING NEW

Ticker: OC CUSIP: 690742101 Class: EQTY

IRIDIAN ASSET MANAGEMENT LLC/CT's Holding History (CIK: 0001033427)

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

Q3 2018

Shares 3,450,584 Value ($000) $187,263 Avg Close $60.23 Range $54.21 - $67.30

Q2 2018

Shares 4,220,826 Value ($000) $267,474 Avg Close $69.05 Range $61.00 - $82.73

Q1 2018

Shares 2,926,998 Value ($000) $235,331 Avg Close $87.14 Range $76.83 - $96.52

Q4 2017

Shares 3,076,651 Value ($000) $282,867 Avg Close $84.25 Range $73.45 - $92.85

Q3 2017

Shares 3,173,008 Value ($000) $245,432 Avg Close $69.95 Range $63.89 - $78.31

Q2 2017

Shares 3,932,650 Value ($000) $263,173 Avg Close $62.70 Range $59.26 - $67.74

Q1 2017

Shares 4,594,372 Value ($000) $281,957 Avg Close $57.34 Range $50.77 - $62.79

Q4 2016

Shares 4,769,337 Value ($000) $245,907 Avg Close $51.81 Range $46.45 - $56.13

Q3 2016

Shares 4,819,552 Value ($000) $257,316 Avg Close $53.72 Range $50.33 - $58.69

Q2 2016

Shares 4,705,060 Value ($000) $242,405 Avg Close $49.80 Range $45.46 - $52.52

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	3,450,584	$187,263	$60.23	$54.21 - $67.30
Q2 2018	4,220,826	$267,474	$69.05	$61.00 - $82.73
Q1 2018	2,926,998	$235,331	$87.14	$76.83 - $96.52
Q4 2017	3,076,651	$282,867	$84.25	$73.45 - $92.85
Q3 2017	3,173,008	$245,432	$69.95	$63.89 - $78.31
Q2 2017	3,932,650	$263,173	$62.70	$59.26 - $67.74
Q1 2017	4,594,372	$281,957	$57.34	$50.77 - $62.79
Q4 2016	4,769,337	$245,907	$51.81	$46.45 - $56.13
Q3 2016	4,819,552	$257,316	$53.72	$50.33 - $58.69
Q2 2016	4,705,060	$242,405	$49.80	$45.46 - $52.52