Thank you, Dawn, and welcome to everyone on the call. Turning to Slide 7, as Dawn noted at the beginning of her discussion, our results in the first quarter were strong with funds from operations and free cash flow both higher than last year, after adjusting for the early termination payments of the Sundance B and C PPAs received in the Q1 of 2018. With the same adjustments, comparable EBITDA for the quarter decreased $15 million compared to last year. Although, Alberta operations have been impacted from higher prices in the quarter and energy marketing showed better results than last year, EBITDA was negatively impacted by lower results in our U.S. coal operations due to the one-time events described by Dawn. By the expected expiry of the contract at Mississauga on December 31, 2018 and lower scheduled payments from the Poplar Creek finance lease in our Canadian Gas units. Moving to Slide 8, as you can see from the chart on the bottom of this slide, segmented cash flows from our power generating assets totaled $186 million during the first quarter, a decrease of $12 million or 6% year-over-year after correcting for the one-off $157 million payments in 2018. Cash flow from the coal segments was down $40 million, primarily due to the one-off event at Centralia. At Canadian coal, the positive impact of stronger power prices in Alberta, the benefits of co-firing and lower OM&A costs were mostly offset by increased environmental compliance costs during the quarter and the loss of PPA revenues. In our U.S. coal segment, a reduction in the cash flow was due to the one-off one-time event in early March 30, 2019 when the units at Centralia had an unplanned outage as described also by Dawn. Most of these reductions will recoup through our energy marketing segments, which benefited from the market volatility. As expected in our Canadian gas segment, the expiration of the contract at Mississauga and the reduced revenue from Poplar Creek lead to lower cash flow compared to last year. These reductions were more than offset by reductions in corporate costs as a result of our Greenlight initiatives, as well as the realized upside in Alberta pricing in our hydro segment, which I discussed earlier. As you can see on Slide 9, we had strong power prices in Alberta, which benefited our Canadian coal and hydro segments, as well as the Alberta wind assets. Average power prices for the first quarter of 2019 almost doubled year-over-year at $69 per megawatt hour compared to $35 for the same period in 2018. The increase was primarily due to weather driven demand in February and early March, resulting from significantly below normal temperatures throughout the province. Lower volumes of power imports into Alberta were also observed due to strong power prices in the Pacific Northwest, stemming from below normal weather in that region. While we are observing relatively modest spot power prices in the second quarter, this is not uncommon given the weaker seasonal demand in April and May. We expect demand to increase as we move into the summer. The forward prices for Q3 and Q4 are stronger than Q2, and are being supported by our prices in California and the Pacific Northwest. We're also seeing very low natural gas prices here in Alberta, which is favorable for co-firing capabilities. I would also note that uncertainty about what changes will be enacted by the UCP with respect to current pricing is being reflected in the forward curve for prices, which may explain why the 2020 prices are trading at $50, $51 per megawatt hour when the balance of 2019 is averaging at $53. On Slide 10 schedule becoming actually familiar with as we presented the same during our year end results with showing the upside of the hydro assets once they come off the PPA. During the first quarter of 2019 our hydro assets generating $27 million in EBITDA. However, they would have generated $67 million if the current PPA did not exist, assuming the capacity market was up and running and delivered similar capacity revenues. I'm going to quickly walk you through this chart. We generated $58 million by selling energy and necessary services revenues. Gross PPA will continue to sell these services at market prices. We also received $14 million of capacity payments under the existing PPA, which will go away once the PPA expires, which will be replaced by revenues under the capacity markets delayed in 2021, all through energy prices and events the capacity market has not adopted. We also generate $5 million in other revenues through black start, water management and transmission. If we subtract our cost of $10 million during the first quarter, we get the $67 million of EBITDA that would have been generated this to PPA did not exist or -- and we were in the capacity market. Under the PPA, however, rebates to the balance sheet fall in the first quarter of 2019 net amount of $40 million for energy and ancillary obligations net of wind costs. This amount goes away once the PPA expires. So as you can see, there is significance upside from our hydro assets in the future. Before I turn over to Dawn, I will touch on our capital allocation. As we look forward over the next three years, we'll continue to focus on some key areas; debt reduction, investing in coal-to-gas conversions, growth and returning cash to our shareholders through our announced share buyback. This quarter we committed to return capital to shareholders through a share buyback program. We will invest up to 250 million over the next three years and own shares through this program. On the balance sheet front, we intend to repay the $400 million bonds maturing late 2020 with strong excess cash flow generated by the business, further strengthening our balance sheet. We remain committed to replacing our record debt to $1.2 billion by the end of 2020, coming from $3.4 billion in 2015. Further debt reduction occurs at TransAlta and TransAlta Renewables through mandatory principal payments associated with the amortizing debt. With us, I will now pass the call back Dawn.