DUPONT FABROS TECHNOLOGY INC

CUSIP: 26613Q106 Class: COM

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q4 2013
Shares 2,000 Value ($000) $49 Avg Close — Range —
Q3 2013
Shares 3,400 Value ($000) $88 Avg Close — Range —
Q2 2013
Shares 3,400 Value ($000) $82 Avg Close — Range —
Q1 2013
Shares 5,400 Value ($000) $131 Avg Close — Range —
Q4 2012
Shares 5,400 Value ($000) $130 Avg Close — Range —
Q3 2012
Shares 5,900 Value ($000) $149 Avg Close — Range —
Q2 2012
Shares 5,700 Value ($000) $163 Avg Close — Range —
Q1 2012
Shares 5,700 Value ($000) $139 Avg Close — Range —
Q4 2011
Shares 5,700 Value ($000) $138 Avg Close — Range —
Q3 2011
Shares 5,700 Value ($000) $112 Avg Close — Range —
Q2 2011
Shares 5,700 Value ($000) $144 Avg Close — Range —
Q1 2011
Shares 5,700 Value ($000) $138 Avg Close — Range —
Q4 2010
Shares 5,700 Value ($000) $121 Avg Close — Range —
Q1 2010
Shares 3,300 Value ($000) $71 Avg Close — Range —