MANTECH INTL CORP

CUSIP: 564563104 Class: CL A

DEAN INVESTMENT ASSOCIATES, LLC's Holding History (CIK: 0000846797)

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

Q4 2016

Shares 44,280 Value ($000) $1,871 Avg Close — Range —

Q3 2016

Shares 42,765 Value ($000) $1,612 Avg Close — Range —

Q2 2016

Shares 93,380 Value ($000) $3,532 Avg Close — Range —

Q1 2016

Shares 90,970 Value ($000) $2,910 Avg Close — Range —

Q4 2015

Shares 88,275 Value ($000) $2,669 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	44,280	$1,871	—	—
Q3 2016	42,765	$1,612	—	—
Q2 2016	93,380	$3,532	—	—
Q1 2016	90,970	$2,910	—	—
Q4 2015	88,275	$2,669	—	—