PRECISION CASTPARTS CORP

CUSIP: 740189105 Class: COM

BERKSHIRE ASSET MANAGEMENT LLC/PA's Holding History (CIK: 0000949012)

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

Q4 2015
Shares 1,032 Value ($000) $239 Avg Close — Range —
Q3 2015
Shares 1,032 Value ($000) $237 Avg Close — Range —
Q2 2015
Shares 1,038 Value ($000) $207 Avg Close — Range —
Q1 2015
Shares 1,032 Value ($000) $217 Avg Close — Range —
Q4 2014
Shares 1,032 Value ($000) $249 Avg Close — Range —
Q2 2014
Shares 1,032 Value ($000) $260 Avg Close — Range —