DORCHESTER MINERALS LP

Ticker: DMLP CUSIP: 25820R105 Class: COM UNIT

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q2 2015
Shares 800 Value ($000) $17 Avg Close — Range —
Q1 2015
Shares 1,500 Value ($000) $34 Avg Close — Range —
Q4 2014
Shares 1,400 Value ($000) $36 Avg Close — Range —
Q2 2014
Shares 1,300 Value ($000) $40 Avg Close — Range —