CENTURY ALUM CO

Ticker: CENX CUSIP: 156431108 Class: EQTY

Quinn Opportunity Partners LLC's Holding History (CIK: 0001633275)

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

Q4 2017

Shares 13,900 Value ($000) $273 Avg Close $15.31 Range $13.00 - $20.30

Q3 2017

Shares 15,000 Value ($000) $249 Avg Close $17.26 Range $12.94 - $20.68

Q2 2017

Shares 62,450 Value ($000) $973 Avg Close $13.95 Range $11.59 - $17.28

Q1 2017

Shares 56,000 Value ($000) $711 Avg Close $13.28 Range $8.39 - $16.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	13,900	$273	$15.31	$13.00 - $20.30
Q3 2017	15,000	$249	$17.26	$12.94 - $20.68
Q2 2017	62,450	$973	$13.95	$11.59 - $17.28
Q1 2017	56,000	$711	$13.28	$8.39 - $16.53