DUPONT FABROS TECHNOLOGY INC

CUSIP: 26613Q106 Class: COM

Asset Management One Co., Ltd.'s Holding History (CIK: 0001068855)

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

Q2 2017
Shares 165,554 Value ($000) $10,114 Avg Close — Range —
Q1 2017
Shares 165,622 Value ($000) $8,076 Avg Close — Range —
Q4 2016
Shares 173,272 Value ($000) $7,611 Avg Close — Range —
Q3 2016
Shares 334,690 Value ($000) $13,986 Avg Close — Range —
Q2 2016
Shares 334,180 Value ($000) $15,632 Avg Close — Range —
Q1 2016
Shares 342,840 Value ($000) $14,007 Avg Close — Range —
Q4 2015
Shares 361,160 Value ($000) $11,703 Avg Close — Range —
Q3 2015
Shares 290,700 Value ($000) $7,433 Avg Close — Range —
Q2 2015
Shares 162,653 Value ($000) $4,876 Avg Close — Range —
Q1 2015
Shares 174,882 Value ($000) $5,819 Avg Close — Range —
Q4 2014
Shares 376,091 Value ($000) $12,669 Avg Close — Range —
Q3 2014
Shares 628,187 Value ($000) $17,024 Avg Close — Range —
Q2 2014
Shares 639,084 Value ($000) $17,274 Avg Close — Range —
Q1 2014
Shares 765,497 Value ($000) $18,524 Avg Close — Range —
Q4 2013
Shares 829,161 Value ($000) $20,356 Avg Close — Range —
Q3 2013
Shares 930,656 Value ($000) $23,918 Avg Close — Range —
Q2 2013
Shares 903,539 Value ($000) $21,991 Avg Close — Range —