ALPHA NATURAL RESOURCES INC

CUSIP: 02076X102 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2015
Shares 402,432 Value ($000) $402 Avg Close — Range —
Q4 2014
Shares 409,932 Value ($000) $685 Avg Close — Range —
Q3 2014
Shares 408,186 Value ($000) $1,012 Avg Close — Range —
Q2 2014
Shares 404,166 Value ($000) $1,499 Avg Close — Range —
Q1 2014
Shares 400,666 Value ($000) $1,703 Avg Close — Range —
Q4 2013
Shares 399,666 Value ($000) $2,854 Avg Close — Range —
Q3 2013
Shares 397,066 Value ($000) $2,367 Avg Close — Range —
Q2 2013
Shares 384,766 Value ($000) $2,016 Avg Close — Range —
Q1 2013
Shares 382,934 Value ($000) $3,144 Avg Close — Range —