DORCHESTER MINERALS, L.P. — Director's Dealing 2005

Aug 31, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DORCHESTER MINERALS LP (DMLP)
CIK: 0001172358
Period of Report: 2005-08-29

Reporting Person: Lucent Technologies Inc. Master Pension Trust (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-08-29	Common Units	S	1106	$26.51	Disposed	3380105	Direct
2005-08-29	Common Units	S	184	$26.62	Disposed	3379921	Direct
2005-08-29	Common Units	S	553	$26.75	Disposed	3379368	Direct
2005-08-30	Common Units	S	1106	$26.83	Disposed	3378262	Direct
2005-08-30	Common Units	S	737	$27.02	Disposed	3377525	Direct

Footnotes

F1: Reporting Person was actually allocated 1105.8 common units at $26.51 (out of total 1843 common units sold in three transactions on 8/29/05 as reported herein)

F2: After allocation in footnote 1, common units owned by the Reporting Person would have been 3,380,105.2

F3: Reporting Person was actually allocated 184.3 common units at $26.62 (out of total 1843 common units sold in three transactions on 8/29/05 as reported herein)

F4: After allocation in footnote 3, common units owned by the Reporting Person would have been 3,379,920.9

F5: Reporting Person was actually allocated 552.9 common units at $26.75 (out of total 1843 common units sold in three transactions on 8/29/05 as reported herein)

F6: Reporting Person was actually allocated 1105.8 common units at $26.83 (out of total 1843 common units sold in two transactions on 8/30/05 as reported herein)

F7: After allocation in footnote 6, common units owned by the Reporting Person would have been 3,378,262.2

F8: Reporting Person was actually allocated 737.2 common units at $27.02 (out of total 1843 common units sold in two transactions on 8/30/05 as reported herein)