CENTURY ALUM CO

Ticker: CENX CUSIP: 156431108 Class: EQTY

O'SHAUGHNESSY ASSET MANAGEMENT, LLC's Holding History (CIK: 0001423442)

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

Q2 2015

Shares 11,086 Value ($000) $116 Avg Close $12.74 Range $10.13 - $14.98

Q1 2015

Shares 8,853 Value ($000) $122 Avg Close $20.13 Range $12.87 - $26.97

Q4 2014

Shares 7,977 Value ($000) $193 Avg Close $25.81 Range $20.79 - $31.75

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	11,086	$116	$12.74	$10.13 - $14.98
Q1 2015	8,853	$122	$20.13	$12.87 - $26.97
Q4 2014	7,977	$193	$25.81	$20.79 - $31.75