BLACKROCK INC

CUSIP: 09247X101 Class: COM

United American Securities Inc. (d/b/a UAS Asset Management)'s Holding History (CIK: 0001349353)

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

Q1 2018
Shares 1,000 Value ($000) $542 Avg Close — Range —
Q4 2017
Shares 1,000 Value ($000) $514 Avg Close — Range —