DFA US SUSTAINABILITY CORE 1

Ticker: DFSIX CUSIP: 233203215 Class: EQUITY FUNDS

FIRST BUSINESS FINANCIAL SERVICES, INC.'s Holding History (CIK: 0001521951)

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

Q4 2018

Shares 44,898 Value ($000) $865 Avg Close — Range —

Q3 2018

Shares 45,173 Value ($000) $1,052 Avg Close — Range —

Q2 2018

Shares 45,262 Value ($000) $986 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	44,898	$865	—	—
Q3 2018	45,173	$1,052	—	—
Q2 2018	45,262	$986	—	—