MENTOR GRAPHICS CORP

CUSIP: 587200106 Class: COM

LORD, ABBETT & CO. LLC's Holding History (CIK: 0000728100)

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

Q3 2015
Shares 1,058,500 Value ($000) $26,071 Avg Close — Range —
Q2 2015
Shares 1,116,600 Value ($000) $29,512 Avg Close — Range —
Q1 2015
Shares 1,298,600 Value ($000) $31,205 Avg Close — Range —
Q4 2014
Shares 1,445,200 Value ($000) $31,679 Avg Close — Range —
Q3 2014
Shares 1,771,800 Value ($000) $36,313 Avg Close — Range —
Q2 2014
Shares 2,020,200 Value ($000) $43,576 Avg Close — Range —
Q1 2014
Shares 2,344,300 Value ($000) $51,621 Avg Close — Range —
Q4 2013
Shares 3,175,700 Value ($000) $76,439 Avg Close — Range —
Q3 2013
Shares 4,207,900 Value ($000) $98,339 Avg Close — Range —
Q2 2013
Shares 3,744,500 Value ($000) $73,205 Avg Close — Range —