OLD SECOND BANCORP INC ILL

Ticker: OSBC CUSIP: 680277100 Class: Common Stock

ADAMS DIVERSIFIED EQUITY FUND, INC.'s Holding History (CIK: 0000002230)

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

Q4 2018

Shares 42,100 Value ($000) $547 Avg Close $13.06 Range $10.45 - $14.49

Q3 2018

Shares 56,100 Value ($000) $867 Avg Close $14.06 Range $13.23 - $15.04

Q2 2018

Shares 60,200 Value ($000) $867 Avg Close $13.48 Range $12.40 - $14.39

Q1 2018

Shares 65,400 Value ($000) $909 Avg Close $13.11 Range $12.07 - $13.82

Q4 2017

Shares 65,400 Value ($000) $893 Avg Close $12.23 Range $11.19 - $13.71

Q3 2017

Shares 84,400 Value ($000) $1,135 Avg Close $10.81 Range $9.89 - $12.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	42,100	$547	$13.06	$10.45 - $14.49
Q3 2018	56,100	$867	$14.06	$13.23 - $15.04
Q2 2018	60,200	$867	$13.48	$12.40 - $14.39
Q1 2018	65,400	$909	$13.11	$12.07 - $13.82
Q4 2017	65,400	$893	$12.23	$11.19 - $13.71
Q3 2017	84,400	$1,135	$10.81	$9.89 - $12.42