MEDIDATA SOLUTIONS INC

CUSIP: 58471AAB1 Class: CONV

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

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

Q3 2016

Shares 19,181,000 Value ($000) $22,502 Avg Close — Range —

Q2 2016

Shares 1,350,000 Value ($000) $1,470 Avg Close — Range —

Q3 2015

Shares 17,612,000 Value ($000) $18,658 Avg Close — Range —

Q2 2015

Shares 21,649,000 Value ($000) $25,681 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	19,181,000	$22,502	—	—
Q2 2016	1,350,000	$1,470	—	—
Q3 2015	17,612,000	$18,658	—	—
Q2 2015	21,649,000	$25,681	—	—