WESTERN DIGITAL CORP

Ticker: WDC CUSIP: 958102105 Class: EQTY

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q3 2014

Shares 23,800 Value ($000) $2,315 Avg Close $62.41 Range $58.43 - $64.97

Q2 2014

Shares 23,800 Value ($000) $2,196 Avg Close $55.43 Range $50.48 - $59.36

Q1 2014

Shares 23,800 Value ($000) $2,185 Avg Close $53.80 Range $50.34 - $57.78

Q4 2013

Shares 23,800 Value ($000) $1,996 Avg Close $45.88 Range $38.72 - $52.56

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2014	23,800	$2,315	$62.41	$58.43 - $64.97
Q2 2014	23,800	$2,196	$55.43	$50.48 - $59.36
Q1 2014	23,800	$2,185	$53.80	$50.34 - $57.78
Q4 2013	23,800	$1,996	$45.88	$38.72 - $52.56