St. Lawrence Cement to delist from TSX

Class A subordinate voting shares of St. Lawrence Cement Group will be halted from trading on the Toronto Stock Exchange and such shares will remain halted until the close of business today, Aug. 13, 2007, at which time they will be delisted.

Holcim Investments (Canada) Inc., an indirect wholly owned subsidiary of Holcim Ltd., has mailed a notice of compulsory acquisition on Aug. 10, 2007, to all shareholders of St. Lawrence Cement Group Inc. who did not accept the cash purchase offer, particulars of which were contained in TSX bulletin 2007-0967 dated July 6, 2007, and TSX bulletin 2007-1051 dated July 23, 2007. As a result, the offeror will own all of the issued and outstanding shares of St. Lawrence Cement Group Inc.