Thanks, Arpa, and hello, everyone. Today, I will review our financial performance for the third quarter and provide an updated framework for our full year 2023 financial outlook. Additionally, given we know it's top of mind for investors, we wanted to provide our early thoughts on 2024 and how we're approaching the next couple years. Starting on Slide 15. Total net product sales for the quarter were $1.8 billion, down 44% year-over-year, driven by lower sales volume, and partially offset by a higher average selling price. Product sales were almost evenly distributed between the U.S. market and the rest of the world. We initiated product shipments to customers in mid-September for the fall booster season, following the authorization of our updated COVID-19 vaccine. Cost of sales for the third quarter of 2023 was $2.2 billion compared to $1.1 billion in the prior year. I will provide detailed commentary on the following slides. Research and development expenses were $1.2 billion, which increased by 41% versus the prior year. This increase was driven by our expanded and maturing development pipeline with six products now in Phase 3 studies or pending approval. Selling, general and administrative expenses were $442 million, reflecting an increase of 59% year-over-year. The growth in spending was primarily driven by the buildout of our commercial activities and, in particular, our launch in the U.S. commercial market. The income tax provision in Q3 was $1.7 billion, as we reported evaluation allowance against deferred tax assets of $1.7 billion. Under GAAP accounting rules, we are required to take a reserve, also referred to as evaluation allowance, for deferred tax assets when the current year and cumulative income projection for the next three years is in a loss position. These losses indicate our deferred tax assets may not be fully realized. It's important to note, future income from products not yet approved by regulators are excluded from these income projections, which restricts us to adjust our COVID vaccine, and it does not include expected future launches. In combination with our updated endemic COVID forecast, we determined it was appropriate to record a valuation allowance for our deferred tax assets. This valuation allowance did not impact cash flows, nor future returns, nor the company's ability to utilize deferred tax assets in future periods. Net loss for the period was $3.6 billion compared to net income of $1 billion last year. Diluted loss per share was $9.53 compared to diluted earnings per share of $2.53 in 2022. Finally, we ended the third quarter with $12.8 billion in cash and investments. The decline versus prior quarter was driven by our operating loss and sales to be collected in Q4. Now, let me come back to cost of sales on Slide 16. We now expect full year cost of sales of $5 billion, driven by $1.5 billion of unit-driven expenses, which also includes royalties, and $3.5 billion of inventory write-downs and charges related to CMO purchase commitments, cancellation fees, and wind-down costs. As Stéphane previously highlighted, in our pursuit to optimize the cost structure of our COVID-19 franchise, we undertook a strategic initiative in the third quarter to restructure our manufacturing footprint, which was built for the pandemic. As part of this initiative, we reduced our capacity and commitments with several third-party vendors, we reevaluated our raw material inventory levels, and cut back on our purchase commitments for raw materials not anticipated to be consumed before expiration. As a result, we are recording charges of $1.6 billion, $1.4 billion of which are in Q3 and an expected $0.2 billion in Q4. The $1.4 billion charge in Q3 consists of inventory write-downs of $0.9 billion and CMO wind-down costs and cancellation fees of $0.5 billion. The Q4 charge is related to CMO wind-down costs. Despite the immediate financial impact, we are confident that this strategic move will improve the efficiency of our manufacturing operations and establish a strong foundation for improved margins going forward. As part of the $1.6 billion in total restructuring charges I just mentioned, only the CMO-related costs and cancellation fees are cash restructuring costs. We project this approximately $0.7 billion charge will have a payback in less than two years and a net cash benefit of approximately $1 billion through 2029. As I mentioned, our full year forecast for cost of sales in 2023 is now $5 billion. Before resizing charges of $1.6 billion, our cost of sales for the full year is expected to be at the low end of our previous guidance of $3.5 billion to $4 billion. So, now coming back to my commentary on Q3. In addition to unit-driven manufacturing costs and the cost from this initiative, we also incurred approximately $0.4 billion of inventory charges for excess and obsolete material, demand-related write-downs of our latest Spikevax product, and unutilized manufacturing capacity charges. Moving to Slide 17. In summary, we made substantial progress to resize our COVID cost structure and accelerated our path towards our longer-term target of 20% to 25% of sales. We expect our cost of sales to not only be at a lower level, but also be more predictable in the future. In recent quarters, our cost of sales were highly impacted by write-offs and charges as we just addressed today and in previous calls. Year-to-date write-offs and charges for inventory CMO and supplier-related commitments are 74% of sales. Starting in 2024, we expect those to be less than 10% of sales on an annualized basis. Our capacity is now better positioned to scale with volume. At a $4 billion sales level, we expect cost of sales of approximately 35%, reducing to approximately 30% at $6 billion of sales, and 20% to 25% at even higher sales levels. In other words, with our resized manufacturing footprint, we now expect to achieve significant volume leverage moving forward. Let's now move to Slide 18. While we intend to continue to focus on GAAP results, we wanted to give you a view of our financial results in Q3 with and without the resizing and tax valuation allowance charges. While our total GAAP net loss in the third quarter was $3.6 billion, our loss excluding these charges would have been $0.5 billion. Now, let's turn to our updated 2023 financial framework on Slide 19. As Arpa mentioned earlier, we now expect product sales for 2023 of at least $6 billion for the full year, which is comprised of $3.9 billion of sales through the third quarter, an additional $1.1 billion of international sales in Q4, and at least $1 billion of Q4 sales from the U.S. As explained earlier, we now expect cost of sales for the full year of approximately $5 billion, which includes resizing charges of $1.6 billion. For R&D and SG&A, we now expect full year expenses to be approximately $6.3 billion, with approximately $4.8 billion in research and development. Our R&D spend is slightly higher than the $4.5 billion previously forecasted, which is mainly driven by business development activities as well as additional investments in our late-stage clinical trials. Our forecast for SG&A expenses remain consistent at approximately $1.5 billion. We now expect a full year tax expense of approximately $0.8 billion to $1 billion, driven by the $1.7 billion increase in the deferred tax allowance I referenced earlier. And finally, we now expect capital expenditures of approximately $0.9 billion, down from our previous guidance of $1 billion. Before I get into the specifics on 2024 and 2025, I wanted to share with you our principles on how we are operating the company today and our plans over the next three years. We are laser-focused on making our COVID franchise profitable in 2024 and beyond. We look at our Spikevax product profitability, excluding research and development costs, for our future pipeline, and we believe our recent resizing efforts will ensure that our COVID franchise is a continuous and increasing source of income and cash generation. At the same time, we also recognize the significant and unique opportunity for organic sales growth ahead of us with our late-stage pipeline. We will be disciplined in our investment approach and adjust R&D and SG&A based upon the sales performance of our product lines, which in 2024 is still mostly COVID, but we expect it to also include RSV. We expect this investment in our late-stage pipeline will result in a loss over the next two years, but help us to breakeven starting in 2026. We believe our current balance sheet is more than sufficient to fund our plans without the need to raise equity. We are also not planning to repurchase shares in the intermediate term. Stepping back, we believe this is an unparalleled opportunity to impact the lives of patients while creating shareholder value at the same time. Moving to Slide 21, let's start with our view on sales over the next couple of years. We're expecting sales to hit a low point in 2024 at approximately $4 billion. The biggest change year-over-year is related to our signed APAs. We currently have $1 billion of COVID-related APAs for delivery in 2024. Recall that our first half sales in 2023 of $2.1 billion were mostly deferrals from our 2022 existing contracts. So, we expect minimal sales in the first half of 2024. For the U.S., we expect 2024 to be at least $2 billion and believe it will grow over time. Lastly, we expect approximately $1 billion from RSV and other international COVID sales. And finally, in 2025, we expect a return to growth. Let me finish by giving you a more fulsome view on 2024 and our thinking on 2025. Starting with 2024, as I just explained, we expect sales to be approximately $4 billion. Cost of sales are expected to be approximately 35% of sales. R&D expenses of approximately $4.5 billion in 2024, would be down 6%. In 2024, the majority of our R&D expenses are for registration trials, which are now mostly committed. I will speak to our view on 2025 R&D expenses in a moment. SG&A expenses of approximately $1.3 billion in 2024 would be down 13%. We expect taxes to be negligible in 2024 and capital expenditures to be similar to 2023 at $0.9 billion. In summary for 2024, Spikevax will generate nearly $1 billion of income. When we combine that with our estimated investments in R&D and capital expenditures, our cash balance is projected to be approximately $9 billion at the end of 2024. Now for our preliminary thoughts on 2025. As mentioned earlier, sales will return to growth. Cost of sales will improve with the increased sales growth. R&D will be flat to down, and we have much greater flexibility for reduction, given that only approximately half of our current R&D spending levels for registrational trials are committed for 2025. SG&A will be flat to down. Taxes will continue to be negligible. And capital expenditures will be materially lower after the completion of our facilities in the UK, Canada and Australia in the first half of 2025. In summary, our COVID operating income will grow and our investments will remain flat or lower, leading us to an estimated ending cash balance of approximately $6 billion to $7 billion in 2025. Finally, during this period, we expect to launch five new products to help us breakeven in 2026. So with that, I'll now turn the call over to Stephen.