PIONEER NAT RES CO

CUSIP: 723787107 Class: COM

Greenbrier Partners Capital Management, LLC's Holding History (CIK: 0001532262)

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

Q1 2015
Shares 45,473 Value ($000) $7,435 Avg Close — Range —
Q4 2014
Shares 45,473 Value ($000) $6,769 Avg Close — Range —
Q3 2014
Shares 45,473 Value ($000) $8,957 Avg Close — Range —
Q2 2014
Shares 49,297 Value ($000) $11,329 Avg Close — Range —
Q1 2014
Shares 49,297 Value ($000) $9,225 Avg Close — Range —
Q4 2013
Shares 49,297 Value ($000) $9,074 Avg Close — Range —
Q3 2013
Shares 49,297 Value ($000) $9,307 Avg Close — Range —
Q2 2013
Shares 24,297 Value ($000) $3,517 Avg Close — Range —