ABRAXAS PETE CORP

CUSIP: 003830106 Class: COM

Artisan Partners Limited Partnership's Holding History (CIK: 0001466153)

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

Q1 2014
Shares 3,323,653 Value ($000) $13,162 Avg Close — Range —
Q4 2013
Shares 1,804,554 Value ($000) $5,919 Avg Close — Range —