DTE ENERGY CO

Ticker: DTE CUSIP: 233331107 Class: COM

TOCQUEVILLE ASSET MANAGEMENT L.P.'s Holding History (CIK: 0000883961)

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

Q2 2014

Shares 350 Value ($000) $27 Avg Close $43.85 Range $42.15 - $45.61

Q1 2014

Shares 200 Value ($000) $15 Avg Close $39.45 Range $36.88 - $42.84

Q4 2013

Shares 200 Value ($000) $13 Avg Close $38.01 Range $36.30 - $39.78

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	350	$27	$43.85	$42.15 - $45.61
Q1 2014	200	$15	$39.45	$36.88 - $42.84
Q4 2013	200	$13	$38.01	$36.30 - $39.78