DUPONT FABROS TECHNOLOGY INC

CUSIP: 26613Q106 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q2 2016

Shares 59,614 Value ($000) $2,834 Avg Close — Range —

Q1 2016

Shares 423,158 Value ($000) $17,151 Avg Close — Range —

Q4 2015

Shares 297,621 Value ($000) $9,461 Avg Close — Range —

Q2 2015

Shares 151,025 Value ($000) $4,448 Avg Close — Range —

Q1 2015

Shares 304,837 Value ($000) $9,962 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2016	59,614	$2,834	—	—
Q1 2016	423,158	$17,151	—	—
Q4 2015	297,621	$9,461	—	—
Q2 2015	151,025	$4,448	—	—
Q1 2015	304,837	$9,962	—	—