EXTRACTION OIL AND GAS INC

CUSIP: 30227M105 Class: COM

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q2 2018
Shares 1,590,827 Value ($000) $23,369 Avg Close — Range —
Q1 2018
Shares 1,076,108 Value ($000) $12,332 Avg Close — Range —
Q4 2017
Shares 1,217,108 Value ($000) $17,417 Avg Close — Range —
Q3 2017
Shares 944,842 Value ($000) $14,541 Avg Close — Range —
Q1 2017
Shares 614,645 Value ($000) $11,402 Avg Close — Range —