Dorchester Minerals, L.P

Dorchester Minerals, L.P. is a publicly traded limited partnership that commenced operations on January 31, 2003 upon the combination of Dorchester Hugoton, Ltd., Republic Royalty Company, L.P. and Spinnaker Royalty Company, L.P. Our partnership is based in Dallas, Texas, and is the owner of producing and non-producing crude oil and natural gas mineral, royalty, overriding royalty, net profits, and leasehold interests and its common units trade on the NASDAQ Global Select Market under the symbol DMLP. Our executive offices are located at 3838 Oak Lawn Avenue, Suite 300, Dallas, Texas 75219-4541, and our telephone number is (214) 559-0300.

Transfer Agent

American Stock Transfer & Trust Company is our registrar and transfer agent and its telephone number is (800) 937-5449. Please contact them directly for any questions regarding ownership changes, lost certificates or cash distribution payments. If you hold your units of Dorchester Minerals, L.P. in a brokerage account, you may contact your broker directly.

Tax Information

Each year in early March tax information for the prior calendar year is sent to investors in our partnership. If you have questions or need additional information, including copies of K-1s, please visit our website at www.taxpackagesupport.com/dmlp, call (877) 222-3204 or write Dorchester Minerals, L.P., Tax Package Support, P.O. Box 799060, Dallas, Texas 75379.