EXTRACTION OIL AND GAS INC

CUSIP: 30227M105 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2018
Shares 18,486 Value ($000) $79 Avg Close — Range —
Q3 2018
Shares 18,486 Value ($000) $209 Avg Close — Range —
Q2 2018
Shares 32,003 Value ($000) $470 Avg Close — Range —
Q1 2018
Shares 29,200 Value ($000) $335 Avg Close — Range —
Q4 2017
Shares 19,048 Value ($000) $273 Avg Close — Range —