Berkshire Hathaway Cl B

CUSIP: 084670207 Class: COM

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

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

Q2 2010
Shares 11,019 Value ($000) $878 Avg Close — Range —
Q1 2010
Shares 10,819 Value ($000) $879 Avg Close — Range —
Q4 2009
Shares 209 Value ($000) $687 Avg Close — Range —