MCKESSON CORP

Ticker: MCK CUSIP: 58155Q103 Class: COM

East Coast Asset Management, LLC.'s Holding History (CIK: 0001579254)

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

Q2 2013
Shares 100 Value ($000) $11 Avg Close $101.46 Range $93.55 - $108.71
Q1 2013
Shares 100 Value ($000) $11 Avg Close $95.52 Range $87.91 - $101.63
Q4 2012
Shares 100 Value ($000) $10 Avg Close — Range —