OWENS CORNING NEW

Ticker: OC CUSIP: 690742101 Class: EQTY

FIRST INTERSTATE BANK's Holding History (CIK: 0001125727)

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

Q3 2018

Shares 937 Value ($000) $51 Avg Close $60.23 Range $54.21 - $67.30

Q2 2018

Shares 1,128 Value ($000) $71 Avg Close $69.05 Range $61.00 - $82.73

Q1 2018

Shares 1,128 Value ($000) $91 Avg Close $87.14 Range $76.83 - $96.52

Q4 2017

Shares 917 Value ($000) $84 Avg Close $84.25 Range $73.45 - $92.85

Q3 2017

Shares 630 Value ($000) $49 Avg Close $69.95 Range $63.89 - $78.31

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	937	$51	$60.23	$54.21 - $67.30
Q2 2018	1,128	$71	$69.05	$61.00 - $82.73
Q1 2018	1,128	$91	$87.14	$76.83 - $96.52
Q4 2017	917	$84	$84.25	$73.45 - $92.85
Q3 2017	630	$49	$69.95	$63.89 - $78.31