PEPCO HOLDINGS INC

CUSIP: 713291102 Class: COM

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

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

Q1 2013
Shares 2,120 Value ($000) $45 Avg Close — Range —
Q4 2012
Shares 2,120 Value ($000) $42 Avg Close — Range —
Q3 2012
Shares 17,520 Value ($000) $331 Avg Close — Range —
Q2 2012
Shares 19,120 Value ($000) $374 Avg Close — Range —
Q1 2012
Shares 109,400 Value ($000) $2,067 Avg Close — Range —
Q1 2011
Shares 85,200 Value ($000) $1,589 Avg Close — Range —