Market Regulation Services Inc.

Market Regulation Services Inc.

February 20, 2007 15:40 ET

Market Regulation Services Inc.: Halt, Constellation Copper Corporation

TORONTO, ONTARIO--(CCNMatthews - February 20, 2007) -



MARKET REGULATION SERVICES INC.

The following issue(s) have been halted by Market Regulation Services
Inc.

Company Name: Constellation Copper Corporation

TSX Symbol: CCU

Reason: Pending news

Halt Time: 15:39 EST

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