Biogen completes separation of global hemophilia business, Bioverativ

Bioverativ common stock to be traded on the NASDAQ global select market.

On 20 December 2016, Biogen announced that its board of directors approved the separation of Biogen and Bioverativ, and declared a special dividend distribution of one share of Bioverativ common stock for every two shares of Biogen common stock held as of the close of business on 17 January 2017, the record date for the distribution.

As previously announced, Biogen’s common stock trades on the NASDAQ Global Select Market in the “regular way” under the symbol "BIIB" and in the "ex-distribution" market under the symbol "BIIBV.” Biogen stockholders who have sold their shares of Biogen common stock in the regular way market after 17 January 2017, the record date for the distribution, and on or prior to 1 February 2017, will have sold their right to receive shares of Bioverativ common stock in the distribution. Shares of Biogen common stock in the "ex-distribution" market trade without the right to receive shares of Bioverativ common stock in the distribution.