CALGARY, June 21 /CNW/ - On June 16, 2006, Shell Canada Limited (TSX:SHC) announced that its wholly-owned subsidiary, BR Oil Sands Corporation, would take-up the 92.8% of the common shares of BlackRock Ventures Inc. (TSX:BVI) tendered to its offer and that the offer would be extended until 1:01 a.m. (Calgary time) on June 27, 2006 to enable BlackRock shareholders to tender their common shares, including shares issuable on the conversion of the convertible debentures, to the offer. In connection with the acquisition of control of BlackRock by BR Oil Sands Corporation, today BlackRock announced that John L. Festival, C. Bruce Burton, Victor Luhowy, Kent J. MacIntyre, Seymour Schulich and Kenneth F. Williamson resigned as directors of BlackRock and were replaced by Clive Mather, Cathy L. Williams, Brian E. Straub, Karen Madro and Shannon L. Cosmescu. BlackRock also announced today the appointments of Brian E. Straub as President, Cathy L. Williams as Vice President and Chief Financial Officer, Karen Madro as Vice President, Operations, Matt Haney as Treasurer, Darlene Harris and Leslie Fiegenwald, each as Assistant Treasurers, John T.D. Courtright as Secretary and Shannon L. Cosmescu as Assistant Secretary. BlackRock Ventures Inc. BlackRock is an oil sands producer with operations located exclusively in Canada. Current operations are located in three heavy-oil regions: the Peace River oil sands, the Cold Lake oil sands and the Lloydminster area. Legal Notices For information about BR Oil Sands Corporation's offer, BlackRock shareholders are advised to review relevant documents filed with the Canadian securities regulatory authorities. Investors will be able to obtain the documents free of charge through the System for Electronic Document Analysis and Retrieval (SEDAR) at www.sedar.com or by contacting Shell Canada's Secretary at corporatesecretary(at)shell.com or facsimile (403) 691-3194. %SEDAR: 00002732EF