COMPUTER SCIENCES CORP

CUSIP: 205363104 Class: COM

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

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

Q2 2012
Shares 16,090 Value ($000) $399 Avg Close — Range —
Q1 2012
Shares 15,600 Value ($000) $467 Avg Close — Range —