MENTOR GRAPHICS CORP

CUSIP: 587200106 Class: COM

Penbrook Management LLC's Holding History (CIK: 0001381055)

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

Q3 2016
Shares 45,350 Value ($000) $1,199 Avg Close — Range —
Q2 2016
Shares 45,350 Value ($000) $964 Avg Close — Range —
Q1 2016
Shares 46,873 Value ($000) $953 Avg Close — Range —
Q4 2015
Shares 48,395 Value ($000) $891 Avg Close — Range —
Q3 2015
Shares 49,195 Value ($000) $1,212 Avg Close — Range —
Q2 2015
Shares 49,836 Value ($000) $1,317 Avg Close — Range —
Q1 2015
Shares 49,836 Value ($000) $1,198 Avg Close — Range —
Q4 2014
Shares 32,736 Value ($000) $718 Avg Close — Range —
Q3 2014
Shares 32,736 Value ($000) $671 Avg Close — Range —
Q2 2014
Shares 32,736 Value ($000) $706 Avg Close — Range —
Q1 2014
Shares 33,038 Value ($000) $795 Avg Close — Range —
Q4 2013
Shares 33,038 Value ($000) $795 Avg Close — Range —