DUCOMMUN INC DEL

Ticker: DCO CUSIP: 264147109 Class: COM

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q1 2016

Shares 27,766 Value ($000) $423 Avg Close $14.48 Range $12.28 - $17.12

Q4 2015

Shares 28,847 Value ($000) $468 Avg Close $18.32 Range $14.77 - $23.33

Q3 2015

Shares 29,101 Value ($000) $584 Avg Close $23.32 Range $18.95 - $27.00

Q2 2015

Shares 25,146 Value ($000) $645,498 Avg Close $26.87 Range $22.81 - $33.45

Q1 2015

Shares 25,597 Value ($000) $662,962 Avg Close $25.89 Range $23.50 - $27.88

Q4 2014

Shares 27,443 Value ($000) $693,759 Avg Close $25.84 Range $23.52 - $29.54

Q3 2014

Shares 28,722 Value ($000) $787 Avg Close $27.90 Range $22.60 - $32.00

Q2 2014

Shares 29,513 Value ($000) $771 Avg Close $24.92 Range $22.45 - $27.74

Q1 2014

Shares 27,900 Value ($000) $699,174 Avg Close $27.03 Range $22.80 - $31.35

Q4 2013

Shares 29,780 Value ($000) $887,742 Avg Close $27.17 Range $24.17 - $30.98

Q3 2013

Shares 32,000 Value ($000) $917,760 Avg Close $25.51 Range $20.40 - $29.37

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	27,766	$423	$14.48	$12.28 - $17.12
Q4 2015	28,847	$468	$18.32	$14.77 - $23.33
Q3 2015	29,101	$584	$23.32	$18.95 - $27.00
Q2 2015	25,146	$645,498	$26.87	$22.81 - $33.45
Q1 2015	25,597	$662,962	$25.89	$23.50 - $27.88
Q4 2014	27,443	$693,759	$25.84	$23.52 - $29.54
Q3 2014	28,722	$787	$27.90	$22.60 - $32.00
Q2 2014	29,513	$771	$24.92	$22.45 - $27.74
Q1 2014	27,900	$699,174	$27.03	$22.80 - $31.35
Q4 2013	29,780	$887,742	$27.17	$24.17 - $30.98
Q3 2013	32,000	$917,760	$25.51	$20.40 - $29.37