EOL means that Engineering will not make any more changes to the software; i.e., there will be no more EBFs or SPs.
Technical Support should still provide assistance. If the problem is a newly-discovered bug in SQL Anywhere 11, their advice will be to apply a more recent EBF or upgrade to a new version. However, that is unlikely in this case.
The challenge lies in getting past first-line SAP support to talk to someone in Waterloo, Ontario.