DTE ENERGY CO

Ticker: DTE CUSIP: 233331107 Class: COM

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q2 2015

Shares 15,927 Value ($000) $1,189,000 Avg Close $46.82 Range $43.95 - $50.11

Q1 2015

Shares 14,174 Value ($000) $1,144,000 Avg Close $49.82 Range $45.69 - $54.39

Q3 2014

Shares 3,188 Value ($000) $243,000 Avg Close $44.16 Range $41.47 - $45.70

Q2 2014

Shares 302,153 Value ($000) $23,529,000 Avg Close $43.85 Range $42.15 - $45.61

Q3 2013

Shares 252,569 Value ($000) $16,665,000 Avg Close $38.06 Range $36.09 - $40.02

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	15,927	$1,189,000	$46.82	$43.95 - $50.11
Q1 2015	14,174	$1,144,000	$49.82	$45.69 - $54.39
Q3 2014	3,188	$243,000	$44.16	$41.47 - $45.70
Q2 2014	302,153	$23,529,000	$43.85	$42.15 - $45.61
Q3 2013	252,569	$16,665,000	$38.06	$36.09 - $40.02