CANADIAN NAT RES LTD

Ticker: CNQ CUSIP: 136385101 Class: Common Stock

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

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

Q2 2013
Shares 4,380 Value ($000) $124 Avg Close $8.76 Range $8.00 - $9.57
Q1 2013
Shares 4,380 Value ($000) $141 Avg Close $9.05 Range $8.55 - $9.80
Q4 2012
Shares 4,380 Value ($000) $126 Avg Close — Range —