NYSE EURONEXT

CUSIP: 629491101 Class: COM

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

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

Q3 2012
Shares 48,500 Value ($000) $1,196 Avg Close — Range —
Q2 2012
Shares 132,000 Value ($000) $3,377 Avg Close — Range —
Q1 2012
Shares 132,000 Value ($000) $3,961 Avg Close — Range —
Q4 2011
Shares 210,900 Value ($000) $5,504 Avg Close — Range —
Q3 2011
Shares 130,000 Value ($000) $3,021 Avg Close — Range —
Q2 2011
Shares 124,900 Value ($000) $4,280 Avg Close — Range —