PROLOGIS INC.

Ticker: PLD CUSIP: 74340W103 Class: COM

SRB CORP's Holding History (CIK: 0001496228)

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

Q3 2018

Shares 8,243 Value ($000) $559 Avg Close $53.52 Range $50.31 - $55.57

Q2 2018

Shares 7,843 Value ($000) $515 Avg Close $51.98 Range $49.09 - $54.08

Q1 2018

Shares 3,385 Value ($000) $213 Avg Close $49.87 Range $46.68 - $52.22

Q4 2017

Shares 2,976 Value ($000) $192 Avg Close $52.02 Range $50.24 - $53.73

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	8,243	$559	$53.52	$50.31 - $55.57
Q2 2018	7,843	$515	$51.98	$49.09 - $54.08
Q1 2018	3,385	$213	$49.87	$46.68 - $52.22
Q4 2017	2,976	$192	$52.02	$50.24 - $53.73