Upon completion of the combination, Pfizer stockholders as of the record date will own 57% of the outstanding shares of Viatris common stock, and Mylan shareholders will own 43% of the outstanding shares of Viatris common stock, in each case on a fully diluted, as-converted and as-exercised basis. The number of shares of Viatris common stock that each holder of Pfizer common stock as of the record date will receive will be determined based on the number of shares of Pfizer common stock outstanding as of the record date and the number of Mylan ordinary shares outstanding as of the trading day immediately prior to the closing date, in each case calculated on a fully diluted, as-converted and as-exercised basis.