by Iamgold in November 2006. References https://www.lapresse.ca/affaires/economie/200901/06/01-677322-cambior-disparait-aujourdhui.php https://www.northernminer.com/company/025045578/ https://www.lexpert.ca/big-deals/iamgold-acquires-cambior/346114 External links Official site https://www.sec.gov/Archives/edgar/data/1203464/000119907306000655/ex99_1.htm Companies formerly listed on the Toronto Stock Exchange Defunct mining companies of Canada