Alpha Natural Resources Inc

STATE OF MICHIGAN RETIREMENT SYSTEM

Report date

6/30/2014

Quarter

2014 Q2

Filed

8/6/2014

Shares

4,440,150

Value ($000)

16,473

Weight

0.1%

2013 Q4 - 2014 Q2 (3 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2014 Q2	8/6/2014	16,473	0.1%	4,440,150	6/30/2014
2014 Q1	5/6/2014	11,685	0.1%	2,749,450	3/31/2014
2013 Q4	2/7/2014	6,219	0.0%	871,050	12/31/2013