PIONEER NAT RES CO

CUSIP: 723787107 Class: COM

Texas Yale Capital Corp.'s Holding History (CIK: 0001332342)

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

Q1 2015
Shares 1,229 Value ($000) $201 Avg Close — Range —
Q3 2014
Shares 1,523 Value ($000) $300 Avg Close — Range —
Q2 2014
Shares 1,165 Value ($000) $268 Avg Close — Range —
Q1 2014
Shares 1,165 Value ($000) $218 Avg Close — Range —
Q4 2013
Shares 1,280 Value ($000) $236 Avg Close — Range —