DUCOMMUN INC DEL

Ticker: DCO CUSIP: 264147109 Class: COM

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2019

Shares 10,473 Value ($000) $529 Avg Close $46.05 Range $38.76 - $53.41

Q3 2019

Shares 7,143 Value ($000) $303 Avg Close $43.14 Range $38.64 - $49.20

Q2 2019

Shares 2,578 Value ($000) $116 Avg Close $44.85 Range $38.67 - $52.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	10,473	$529	$46.05	$38.76 - $53.41
Q3 2019	7,143	$303	$43.14	$38.64 - $49.20
Q2 2019	2,578	$116	$44.85	$38.67 - $52.04