MDH Engineered Solutions Corp. (MDH), Member of the SNC-Lavalin Group, specializes in geotechnical, hydrogeological, and environmental consulting, and provides advanced laboratory soil, rock and mine waste testing. With more than 240 employees, MDH is the largest geoenvironmental, geotechnical, hydrogeological, and environmental consulting group in Saskatchewan. MDH was founded in the late 1970s (originally as M.D. Haug and Associates Ltd.) by Dr. Moir Haug. For more than 30 years, MDH has provided comprehensive, state-of-the-art consulting services for a diverse range of technically challenging consulting and research projects. MDH serves clients in both the public and private sectors in Canada and internationally. The MDH head office is in Saskatoon, with offices in Regina, Prince Albert, and Esterhazy in Saskatchewan; Calgary, Edmonton, Fort McMurray and Grande Prairie in Alberta; and Vancouver, Fort Nelson and Fort St. John in British Columbia. MDH's expert personnel, leading-edge technology and attention to responsive client service are key factors in its success. On June 30, 2011, MDH joined the SNC-Lavalin group of companies. MDH is now a fully-owned subsidiary of SNC-Lavalin and will continue to operate as MDH Engineered Solutions, Member of the SNC-Lavalin Group. As part of SNC-Lavalin, a publicly traded Canadian corporation, MDH will now be able to offer its clients a comprehensive, more integrated range of environmental and engineering services. For more information on SNC-Lavalin, please go to www.snclavalin.com History Major Clients and Service Users © MDH Engineered Solutions, 2012