EMCOR GROUP INC

Ticker: EME CUSIP: 29084Q100 Class: EQTY

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

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

Q4 2011
Shares 25,700 Value ($000) $689 Avg Close — Range —
Q3 2011
Shares 25,700 Value ($000) $522 Avg Close — Range —
Q2 2011
Shares 25,800 Value ($000) $756 Avg Close — Range —
Q1 2011
Shares 25,900 Value ($000) $802 Avg Close — Range —
Q4 2010
Shares 25,900 Value ($000) $751 Avg Close — Range —
Q1 2010
Shares 25,900 Value ($000) $638 Avg Close — Range —
Q4 2009
Shares 25,900 Value ($000) $697 Avg Close — Range —
Q3 2009
Shares 26,100 Value ($000) $661 Avg Close — Range —
Q2 2009
Shares 26,100 Value ($000) $525 Avg Close — Range —
Q1 2009
Shares 26,100 Value ($000) $448 Avg Close — Range —