COMMSCOPE INC

CUSIP: 203372107 Class: COMMON STOCK

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

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

Q4 2010
Shares 95,900 Value ($000) $2,994 Avg Close — Range —
Q1 2010
Shares 135,900 Value ($000) $3,808 Avg Close — Range —
Q4 2009
Shares 135,900 Value ($000) $3,605 Avg Close — Range —
Q3 2009
Shares 135,900 Value ($000) $4,067 Avg Close — Range —
Q2 2009
Shares 128,900 Value ($000) $3,385 Avg Close — Range —
Q1 2009
Shares 128,900 Value ($000) $1,464 Avg Close — Range —