VANGUARD 500 INDEX ADMIRAL

Ticker: VFIAX CUSIP: 922908710 Class: MUTUAL FUNDS

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

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

Q2 2015

Shares 331,183 Value ($000) $63,044 Avg Close — Range —

Q1 2015

Shares 332,679 Value ($000) $63,445 Avg Close — Range —

Q4 2014

Shares 391,378 Value ($000) $74,319 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	331,183	$63,044	—	—
Q1 2015	332,679	$63,445	—	—
Q4 2014	391,378	$74,319	—	—