Thank you, Mike. Turning to Slide 10. In our last November earnings call, I explained that we were taking a fresh review of our strategy. Specifically, we focused on our technology delivery model and our business portfolio with an objective to make it simpler and stronger. Since completing our evaluation, we have advanced implementation on two key fronts. On the technology front, we confirmed that our key competitive advantages and successes to date are derived from our premier bench of expertise in silicates, silica, zeolites, glass and catalyst technologies. Further, we have a long history of established partnerships with our customers in developing new technologies and solutions. We also have the ability to tailor and scale specialty grades to meet changing demands and technical support for large scale commercialization's. That said, we determined that there was a need to drive a cultural transformation from our autonomously-oriented R&D and technical support development mindset to one that is more directly connected with our business strategic growth priorities and end-users. Additionally, and in spite of our healthy pipeline of products, our current speed of commercialization needs to improve. Therefore, through the course of the year, as we are optimizing our resource allocations, we will be realigning our technology structure and processes to drive universal methodologies. This will enable us to accelerate and increase the commercial value of our investment directly impacting the mid-to long-term. On the business front, we embarked in a delayering exercise to eliminate the 2 current EC&S and PM&C reporting groups. We feel that there is a need to increase visibility of our individual business units and their specific performances, not only for our teams internally but also for our investors. Additionally, we strongly believe that the autonomy and focus will nurture a stronger culture of ownership and accountability and drive significant efficiencies and improved results. The design of the new structure will actually create a stronger and more focused commercial intensity as well as more visible and active efficiencies and the key components of our overall operating costs. Turning to Slide 11, as you recall, we started to provide you with business deep dives in the last few calls to give you more color on our specific business lines and this practice will continue going forward. However, as for this call, and as a result of the announced structure delayering, I would like to spend a few minutes reviewing the 4 individual business units, and my focus is on why we believe each business is of a specialty nature, differentiated and well positioned in its own key products and end market areas. First, let me start with the Refining Services. The underlying demand driver is the need for higher octane rated gasoline. Sulfuric acid has become a leading catalyst in the production of alkylates, or for increasing the octane rating in gasoline. In North America, we have a track record of reliability and expertise in acid production and provide critical end-to-end service to refiners in their alkylation production through regeneration of spent sulfuric acid. With the leading U.S. supply position based on our integrated network of facilities and the scope and scale of our transportation logistics, specifically in the Gulf Coast in California, we are able to structure stable and predictable long-term, 5- to 10-year contracts, with 90% cost pass through and take-or-pay type provisions. Turning to Catalysts, which includes our silica catalysts and our 50% Zeolyst Joint Venture with Shell. The silica catalysts global consumer demand is expected to accelerate for high-strength and lightweight plastics. Given our long track record and broad portfolio of tailored silica-based catalyst formulations, we are specified with the largest PE global producers and licensors for both silica-based finished and support catalysts. Also, within this business, we are the exclusive catalyst supplier for the leading global MMA manufacturer for their alpha technology. Our Zeolyst Joint Venture, ZI, is positioned to capture growth resulting from increasing standards for tighter global environmental fuel emissions. PQ has a strong expertise in customizing its zeolite catalyst technology. ZI is a leading provider for both finished and support catalysts for nearly all hydrocracking producers, maximizing their yield of gasoline and distillate, while also removing sulfur. Further, our technology expertise also positioned us to supply catalysts to remove nitrogen oxides from diesel, tail [ph] gases, largely heavy-duty diesel vehicles to the top global 3 emission control system providers. Moving to Performance Materials. Demand is largely driven by continued higher standard for transportation safety. We are an innovation leader in glass, particularly for highway striping. Additionally, we have been innovating in adjacencies, including microspheres for industrial application in thermoplastics for transportation safety. We are the largest bead supplier for transportation safety, with leading positions in the U.S., Europe and Latin America and given our 100-plus years history, our production network and diverse product customization, we do drive value pricing through our large and broad customer base. Finally, on our fourth business unit, Performance Chemicals. Demand is driven by consumer preferences from environmentally friendly and sustainable products in consumer personal care, food and beverage, and industrial products such as green tires and surface coating. We are the largest global and most diversified sodium silicate supplier, with the ability to offer tailored products to customers' requests for specified end users. With an established network of global and localized supply, we are able to optimize our production and sales with mid- to long-term contracts, with large part of our contracts allowing passthrough of materials cost. So as you can see, each of these business units is unique and have different demand drivers and well positioned to operate independently with direct ownership and accountability to drive improved performance. At the same time, we believe that there is opportunity in leveraging best-in-class substantial capabilities across this portfolio. Those capabilities include technology, materials science expertise, furnace engineering and the global production and distribution network. In closing, on Slide 12, and as I just described, the uniqueness of our business and their leading positions in their respective key growth markets is a representation of their strength and growth potential. We will continue to drive a strong organic growth through technology innovation, commercial intensity and operational efficiencies. We will also continue on our path to further optimize our individual businesses as well as the overall portfolio, with a clear strategic value creation mindset. We are confident in our ability to continue executing towards our key value drivers. We will strive to maintain a stable profitable growth and improved capital efficiency. We will also continue to deliver on our free cash flow in our path towards our leverage targets. This concludes our prepared remarks and we are now ready to take questions.