Berkshire Hathaway Cl B

CUSIP: 08467070c Class: Cl B new

CORRADO ADVISORS, LLC's Holding History (CIK: 0001482611)

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

Q1 2013
Shares 6,683 Value ($000) $696 Avg Close — Range —
Q4 2012
Shares 5,192 Value ($000) $466 Avg Close — Range —