BRIEF-Intercell says proposed merger of equals with Vivalis

VIENNA Dec 16 (Reuters) - Intercell AG : * Says proposed merger of equals between Vivalis and Intercell * Says Intercell shareholders to receive 13 Vivalis new ordinary shares for 40

Intercell shares * Says Intercell shareholders to receive 13 new preferred shares for 40

Intercell shares * Says implied ownership immediately post-merger: 55% former Vivalis

shareholders / 45% former Intercell shareholders