rtharp is incorrect. this is a stock deal. from the merger agreement:
The exact exchange ratio will be determined by dividing $60 by the average of the reported closing sale prices per share of Northrop Grumman common stock on the New York Stock Exchange for the five consecutive trading days ending on and including the second trading day prior to the closing of the merger. The exchange ratio will not be less than 0.4348 or more than 0.5357 of a Northrop Grumman share.
The exact exchange ratio will be determined by dividing $60 by the average of the reported closing sale prices per share of Northrop Grumman common stock on the New York Stock Exchange for the five consecutive trading days ending on and including the second trading day prior to the closing of the merger. The exchange ratio will not be less than 0.4348 or more than 0.5357 of a Northrop Grumman share.