To support TransAlta's Board, vote only your BLUE proxy or voting instruction form today. If you have any questions about the Meeting, please contact Kingsdale Advisors, TransAlta's strategic shareholder advisor and proxy solicitation agent, by telephone at 1-877-659-1820 (toll-free in North America ) or 1-416-867-2272 (collect outside North America ) or by email at .] About TransAlta Corporation TransAlta owns, operates and develops a diverse fleet of electrical power generation assets in Canada, the United States and Australia with a focus on long-term shareholder value. We provide municipalities, medium and large industries, businesses and utility customers clean, affordable, energy efficient, and reliable power. Today, we are one of Canada's largest producers of wind power and Alberta's largest producer of hydro-electric power.