Dear Sir or Madam

We kindly ask you to enter the following name change in your address database:
Company name previously:  ultra.air ag

Company name new valid immediately:
ultrafilter ag

All data such as address, telephone numbers, contact persons, VAT number
and payment accounts remain unchanged. Email addresses will now be
@ultrafilter.ch (previous email addresses are still valid).
All contracts will also be transferred to the new company name.
We look forward to taking this strategic step together with you and
thank you for the trust you have placed in us.

Best regards
Michael Schneebeli
Managing Director
ultrafilter ag
Leutschenbachstrasse 45
CH-8050 Zurich
+41 44 224 60 60 60
info@ultrafilter.ch
www.ultrafilter.ch