Moderna 2022 Priorities and Capital Allocation

Impact of share repurchase program on share count (in shares M) Basic Shares Quarter End (-5 405 403 400 Q3/2021 Q4/2021 Q1/2022 -7 434 431 426 Basic & Diluted 30 26 Weighted Average Shares 404 405 24 402 Dilutive Balances Q3/2021 Q4/2021 Q1/2022 Weighted Average Basic Shares Slide 33 Quarter ending basic shares declined 5M from the end of Q3 2021 to Q1 2022, due to 7M of share repurchase activity, partially offset by 2M of employee equity compensation Weighted average diluted shares declined 7M from Q3 2021 to Q1 2022, primarily due to share repurchase activity and fewer dilutive shares, based. on our average stock price during the period, partially offset by new equity awards moderna

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