Valeant Pharmaceuticals International, Inc. ("Valeant") (NYSE: VRX) (TSX: VRX) today announced that it is making an offer for Allergan, Inc. (NYSE: AGN) under which each Allergan share would be exchanged for $72.00 in cash and 0.83 shares of Valeant common stock, based on the fully diluted number of Allergan shares outstanding. This offer is subject to prompt good faith negotiation of a merger agreement between Valeant and Allergan. Shareholders will continue to be able to elect cash and/or Valeant stock, subject to proration. Pershing Square, Allergan's largest shareholder with a 9.7% stake, has agreed to elect only stock consideration in the transaction and exchange their Allergan shares for Valeant shares at a 1.22659 exchange ratio, based on yesterday's closing stock prices of Allergan and Valeant, and receive no cash consideration.