SHAREHOLDER RIGHTS AGREEMENT Dated February 23, 2007 between IPSCO INC. and COMPUTERSHARE TRUST COMPANY OF CANADA as Rights AgentShareholder Rights Agreement • February 26th, 2007 • Ipsco Inc • Steel works, blast furnaces & rolling mills (coke ovens) • Saskatchewan
Contract Type FiledFebruary 26th, 2007 Company Industry JurisdictionWHEREAS the Board of Directors of the Company has determined that it is advisable to adopt a shareholder rights agreement (the “Agreement”) to replace the shareholder rights agreement of the Company dated as of March 14, 1990, as amended and restated as of April 20, 1995, April 24, 1998, May 2, 2001 and April 29, 2004 which expires upon the termination of the annual meeting of shareholders of the Company in 2007;