MENTOR GRAPHICS CORP

CUSIP: 587200106 Class: COM

JANUS HENDERSON GROUP PLC's Holding History (CIK: 0001274173)

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

Q4 2015
Shares 886,641 Value ($000) $16,336 Avg Close — Range —
Q3 2015
Shares 889,204 Value ($000) $21,906 Avg Close — Range —
Q2 2015
Shares 977,414 Value ($000) $25,838 Avg Close — Range —
Q1 2015
Shares 1,021,951 Value ($000) $24,568 Avg Close — Range —
Q4 2014
Shares 1,369,872 Value ($000) $30,041 Avg Close — Range —
Q3 2014
Shares 1,369,872 Value ($000) $28,076 Avg Close — Range —
Q2 2014
Shares 1,186,634 Value ($000) $25,590 Avg Close — Range —
Q1 2014
Shares 1,186,634 Value ($000) $26,136 Avg Close — Range —