DTE ENERGY CO

Ticker: DTE CUSIP: 233331107 Class: COM

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

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

Q2 2013
Shares 775 Value ($000) $52 Avg Close $38.29 Range $35.35 - $40.49
Q1 2013
Shares 775 Value ($000) $53 Avg Close $35.28 Range $33.00 - $37.76
Q4 2012
Shares 775 Value ($000) $47 Avg Close — Range —