BERKSHIRE HATHAWAY INC DEL

CUSIP: 84670108 Class: CL A

Corundum Group, Inc.'s Holding History (CIK: 0001486083)

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

Q2 2014
Shares 2 Value ($000) $380 Avg Close — Range —
Q3 2013
Shares 2 Value ($000) $341 Avg Close — Range —
Q2 2013
Shares 2 Value ($000) $337 Avg Close — Range —