From: Ann Shumelda Okerson <[log in to unmask]>
Date: Wed, 3 Sep 2014 07:33:08 -0400

http://www.stm-publishing.com/springer-verlag-france-sells-french-language-stm-assets-to-lavoisier/

"The transaction is effective as of 1 September 2014. Archives and the
articles to be published up to and including December 2016 will
continue to be accessible online via SpringerLink. All past and
current subscribers will have continued access to the journals
archives on the Springer platforms."

For those who want the archives after 2016, be sure to clarify how to
effect that.  Article doesn't say exactly which assets are involved.