BWX TECHNOLOGIES INC

Ticker: BWXT CUSIP: 05605H100 Class: COM

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

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

Q1 2017

Shares 62 Value ($000) $3 Avg Close $39.26 Range $35.08 - $44.22

Q4 2016

Shares 62 Value ($000) $2 Avg Close $34.89 Range $32.42 - $36.46

Q3 2016

Shares 62 Value ($000) $2 Avg Close $33.83 Range $31.03 - $35.60

Q2 2016

Shares 62 Value ($000) $2 Avg Close $30.59 Range $28.77 - $32.59

Q1 2016

Shares 62 Value ($000) $2 Avg Close $27.50 Range $23.93 - $30.88

Q4 2015

Shares 62 Value ($000) $2 Avg Close $26.19 Range $23.00 - $28.86

Q3 2015

Shares 62 Value ($000) $2 Avg Close $22.66 Range $21.23 - $24.86

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	62	$3	$39.26	$35.08 - $44.22
Q4 2016	62	$2	$34.89	$32.42 - $36.46
Q3 2016	62	$2	$33.83	$31.03 - $35.60
Q2 2016	62	$2	$30.59	$28.77 - $32.59
Q1 2016	62	$2	$27.50	$23.93 - $30.88
Q4 2015	62	$2	$26.19	$23.00 - $28.86
Q3 2015	62	$2	$22.66	$21.23 - $24.86