Thank you, Didi, and good afternoon, everyone. Thank you for joining us today as we discuss the operational and financial results for fourth quarter 2021 as well as full year 2021. As is customary, today's call is open to all participants and the call is being recorded and is copyrighted by Emergent BioSolutions. In addition to today's press release, there is a series of slides accompanying this webcast available to all webcast participants. Turning to Slides 3 and 4. During today's call, we may make projections and other forward-looking statements related to our business, future events, our prospects or future performance. These forward-looking statements are based on our current intentions, beliefs and expectations regarding future events. Any forward-looking statement speaks only as of the date of this conference call and except as required by law, we do not undertake to update any forward-looking statement to reflect new information, events or circumstances. Investors should consider this cautionary statement as well as the risk factors identified in our periodic reports filed with the SEC when evaluating our forward-looking statements. During today's call, we may also refer to certain non-GAAP financial measures that involve adjustments to GAAP figures in order to provide greater transparency regarding Emergent's operating performance. Please refer to the tables found in today's press release regarding our use of adjusted net income, adjusted EBITDA and adjusted gross margin and the reconciliations between our GAAP financial measures and these non-GAAP financial measures. Turning to Slide 5. The agenda for today's call will include Bob Kramer, President and Chief Executive Officer, who will comment on the current state of the company; and Rich Lindahl, Chief Financial Officer, who will speak to the financials for 4Q '21 and FY '21, which will also discuss in detail the '22 forecast, including 1Q '22 revenue guidance. This will be followed by a Q&A session where additional members of the executive leadership team are present and available as needed. Finally, for the benefit of those who may be listening to the replay of the webcast, this call was held and recorded on February 24, 2022. Since then, Emergent may have made announcements related to topics discussed during today's call. And with that introduction, I would now like to turn the call over to my colleague, Bob Kramer. Bob, please proceed.