Nov 03, 2009 (TheNewswire.ca via COMTEX News Network) --

(via Thenewswire.ca)

November 3rd, 2009 - Mainstream Minerals Corp. (TSX-V: MJO) is pleased to announce the appointment of James Darcel, CFA as a Director of the Corporation. His directorship is subject to the approval of the TSX Venture Exchange Inc.

Mr. James Darcel graduated in 1985 from the University of Manitoba with a Bachelor of Arts degree and began his career with the Toronto Stock Exchange in 1986. He held positions in the TSE economics and derivative markets departments, including at the Toronto Futures Exchange until he returned to Winnipeg in 1990. He was granted the right to use the CFA designation in 1994 and has been employed with Moss Lawson, Loring Ward Administrative Services, D.V. McQueen Ltd., CFG Futures, and Manitoba Public Insurance. From 2003 until 2007, he was a director, trading officer, investment counsel, portfolio manager, and ultimate responsible person with Regenesis Capital Management Inc. (formerly Navigator Capital Management Inc) of Toronto.

He is currently an independent investment research analyst covering publicly traded companies in broad sectors, including natural resources, exploration and development, small energy, and emerging technologies. Mr. Darcel is a Director of Newcastle Minerals Ltd. (TSX-V: NCM).

About Mainstream Minerals

Mainstream Minerals Corporation is a mineral exploration and development company focused on precious metal / rare earths mining properties with economic potential, with the aim of bringing such properties to commercial production. Its current project focus is The Bobjo Mine, located in the prolific Red Lake Gold Camp in Ontario.

MJO Basic Shares Outstanding: 26,676,087

ON BEHALF OF THE BOARD

Signed "Michael Romanik"

Michael Romanik, President & CEO

(204) 222-0137

info@mainstreamminerals.com - www.mainstreamminerals.com

This news release includes certain forward-looking statements concerning the future performance of Mainstream Mineral Corporation's business, its operations and its financial performance and condition, as well as management's objectives, strategies, beliefs and intentions. The Company does not intend, and does not assume any obligation, to update these forward-looking statements. Forward-looking statements are frequently identified by such words as "may", "plan", "expect", "anticipate", "estimate", "intend" and similar words referring to future events and results. These forward-looking statements represent management's best judgment based on current facts and assumptions that management considers reasonable. The Company makes no representation that reasonable business people in possession of the same information would reach the same conclusions. All forward-looking information is inherently uncertain and subject to a variety of assumptions, risks and uncertainties, including the speculative nature of mineral exploration and development, fluctuating commodity prices, competitive risks and the availability of financing and as described in more detail in the Company's recent securities filings available at www.sedar.com. Actual events or results may differ materially from those projected in the forward looking-statements and readers are cautioned against placing undue reliance thereon.

 Continued...