MANTECH INTL CORP

CUSIP: 564563104 Class: CL A

THIRD AVENUE MANAGEMENT LLC's Holding History (CIK: 0001099281)

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

Q3 2014
Shares 567,492 Value ($000) $15,294 Avg Close — Range —
Q2 2014
Shares 745,371 Value ($000) $22,003 Avg Close — Range —
Q1 2014
Shares 863,640 Value ($000) $25,400 Avg Close — Range —
Q4 2013
Shares 843,573 Value ($000) $25,248 Avg Close — Range —
Q3 2013
Shares 1,004,966 Value ($000) $28,903 Avg Close — Range —
Q2 2013
Shares 1,441,577 Value ($000) $37,654 Avg Close — Range —