CMC Metals Ltd. News Release

Tuesday, November 23, 2010
Bishop Mill Upgrades Double Capacity

Vancouver, B.C.: CMC Metals Ltd. (the "Company") is pleased to announce the purchase of a coarse gravity circuit for the Bishop Mill facilities located in Bishop California. The upgrades include a Krupp mill and gravity tables to produce a coarse concentrate prior to the grinding circuit. The addition will expand the capability of the types of ores the mill can handle plus double the mill capacity to 100 tons per day. Equipment, installation and commissioning were purchased for $75,000. The equipment has been transported to the site. Foundation and concrete works are underway and installation completion is scheduled by year end.

Inyo County California is an active mining area with defined mineral deposits of silver, gold, copper and tungsten. The Company is in negotiations with surrounding property owners to provide material for the Bishop Mill facilities.

Further, the Company would like to announce that the application for construction of a Class A tailings pond has been completed and submitted to the Lahonton Water Board for approval. SRK International Consultants assisted in developing the design specifications and application to construct the tailings pond which will double the capacity of the current tailings pond.

In compliance with NI 43-101, Don Wedman, P.Eng., President and Chief Executive Officer of the Company, is the Qualified Person who prepared or supervised the preparation of the technical information presented in this news release.
This news release was prepared on behalf of the Board of Directors, which accepts full responsibility for its contents.

On behalf of the Board:

"Donald W. Wedman"
Donald W. Wedman, P.Eng.
CMC METALS LTD.