METALDYNE PERFORMANCE GROUP

CUSIP: 59116R107 Class: COM

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q4 2015
Shares 24,000 Value ($000) $440 Avg Close — Range —
Q3 2015
Shares 32,100 Value ($000) $674 Avg Close — Range —
Q2 2015
Shares 28,400 Value ($000) $515 Avg Close — Range —