Erdene Resource Development Corp.

Intersects 55 metres of 1.02g/t Gold Including 23 metres of 2.07g/t Gold and 23g/t Ag Silver

HALIFAX, NOVA SCOTIA -- (Marketwire) -- 10/12/11 -- Erdene Resource Development Corp. ('Erdene') (TSX: ERD), is pleased to announce results from the first drill program at the Company's 100% owned Altan Nar (Golden Sun) property in southwest Mongolia. These encouraging polymetallic-gold assay results are from a shallow, four-hole drill program, focused on epithermal-style gold, silver and base metal mineralization.

HALIFAX, NOVA SCOTIA -- (Marketwire) -- 09/09/11 -- Erdene Resource Development Corp. ('Erdene') (TSX: ERD), is pleased to announce the appointment of Mr. Michael MacDonald to their management team as Director of Exploration-Mongolia.

Mr. MacDonald will be responsible for the design and implementation of Mongolia programs, dealing with

HALIFAX, NOVA SCOTIA -- (Marketwire) -- 09/07/11 -- Erdene Resource Development Corp. ('Erdene') (TSX: ERD), is pleased to announce results from an expanded surface exploration program, focused on gold and base metal mineralization, at the Company's 100% owned Tsenkher Nomin property in southwest Mongolia. This program has resulted in the

HALIFAX, NOVA SCOTIA -- (Marketwire) -- 07/06/11 -- Erdene Resource Development Corp. ('Erdene') (TSX: ERD), is pleased to announce initial drilling results from its wholly owned Nomin copper-gold project in southwestern Mongolia.The second hole of the program (TND-02) intersected a zone of massive sulphide mineralization at a vertical depth of

HALIFAX, NOVA SCOTIA -- (Marketwire) -- 06/30/11 -- Erdene Resource Development Corp. ('Erdene') (TSX: ERD), is pleased to announce that it has received and filed on Sedar a National Instrument 43-101 ('NI 43-101') compliant Technical Report for the Company's Zuun Mod molybdenum-copper project in Mongolia. The report includes an updated resource

HALIFAX, NOVA SCOTIA -- (Marketwire) -- 06/30/11 -- Erdene Resource Development Corp. ('Erdene') (TSX: ERD), is pleased to announce receipt of a National Instrument 43-101 compliant Technical Report ('the Report') for the Donkin Coal Project ('Donkin') in Eastern Canada. Marston & Marston, Inc. ('Marston') of St. Louis, Missouri, prepared the