DORCHESTER MINERALS LP

Ticker: DMLP CUSIP: 25820R105 Class: COM UNIT

MUFG Americas Holdings Corp's Holding History (CIK: 0001011659)

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

Q2 2013
Shares 1,400 Value ($000) $34 Avg Close — Range —
Q1 2013
Shares 1,400 Value ($000) $32 Avg Close — Range —
Q4 2012
Shares 1,400 Value ($000) $28 Avg Close — Range —
Q3 2012
Shares 1,400 Value ($000) $31 Avg Close — Range —
Q2 2012
Shares 1,400 Value ($000) $31 Avg Close — Range —
Q1 2012
Shares 1,400 Value ($000) $37 Avg Close — Range —
Q4 2011
Shares 1,400 Value ($000) $32 Avg Close — Range —
Q3 2011
Shares 1,400 Value ($000) $33 Avg Close — Range —
Q2 2011
Shares 1,400 Value ($000) $38 Avg Close — Range —
Q1 2011
Shares 1,400 Value ($000) $41 Avg Close — Range —
Q4 2010
Shares 1,400 Value ($000) $38 Avg Close — Range —