DENISON MINES CORP

Ticker: DNN CUSIP: 248356107 Class: COM

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

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

Q4 2013
Shares 35,000 Value ($000) $42 Avg Close $1.10 Range $0.97 - $1.26
Q3 2013
Shares 35,000 Value ($000) $38 Avg Close $1.20 Range $1.07 - $1.41
Q2 2013
Shares 35,000 Value ($000) $41 Avg Close $1.23 Range $1.15 - $1.40
Q1 2013
Shares 35,000 Value ($000) $48 Avg Close $1.36 Range $1.18 - $1.62
Q4 2012
Shares 35,000 Value ($000) $44 Avg Close — Range —
Q3 2012
Shares 35,000 Value ($000) $52 Avg Close — Range —
Q2 2012
Shares 35,000 Value ($000) $47 Avg Close — Range —
Q1 2012
Shares 35,000 Value ($000) $54 Avg Close — Range —
Q4 2011
Shares 35,000 Value ($000) $44 Avg Close — Range —
Q3 2011
Shares 35,000 Value ($000) $37 Avg Close — Range —
Q2 2011
Shares 35,000 Value ($000) $67 Avg Close — Range —
Q1 2011
Shares 35,000 Value ($000) $83 Avg Close — Range —
Q4 2010
Shares 35,000 Value ($000) $120 Avg Close — Range —
Q1 2010
Shares 35,000 Value ($000) $51 Avg Close — Range —
Q4 2009
Shares 35,000 Value ($000) $44 Avg Close — Range —
Q3 2009
Shares 35,000 Value ($000) $65 Avg Close — Range —
Q2 2009
Shares 35,000 Value ($000) $57 Avg Close — Range —
Q1 2009
Shares 10,000 Value ($000) $7 Avg Close — Range —