You have called up the Internet page with certain documents and information concerning the public tender offer of Scintilla AG, Solothurn, Switzerland to the shareholders of sia Abrasives Holding AG.

Please read the following carefully and in order to proceed to the Internet page with information about the tender offer, please confirm that you have read the following legal disclaimer.

Important legal disclaimer

Scintilla AG, Solothurn, Switzerland (Scintilla) has announced that it will make a cash tender offer (the Offer) for the publicly held shares of  sia Abrasives Holding AG, Frauenfeld, Switzerland, (sia), pursuant to an offer document published or to be published on this website, to the shareholders of sia in accordance with the Swiss Federal Act on Stock Exchanges and Securities (BEHG). This website and the informa-tion contained therein is not intended for distribution to, or use by, any person or entity in any jurisdiction or country where such distribution or use would be contrary to local law or regulation.

This website and the information contained therein have been prepared by Scintilla and  Robert Bosch GmbH, Stuttgart, Germany (Bosch), which indirectly controls Scintilla. No representation or warranty (express or implied) of any nature is given, nor is any responsibility or liability of any kind accepted, with respect to the truthfulness, completeness or accuracy of any information, projection, statement or omission in this presentation.

This website and the information contained therein do not constitute, nor do they form part of, any offer or invitation to buy, sell, exchange or otherwise dispose of, or issue, or any solicitation of any offer to sell or issue, exchange or otherwise dispose of, buy or subscribe for, any securities, nor do they constitute investment, legal, tax, accountancy or other advice or a recommendation with respect to such securities, nor do they constitute the solicitation of any vote or approval in any jurisdiction, nor shall there be any offer or sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the applicable securities laws of any such jurisdiction (or under exemption from such requirements).

Offer Restrictions

The public tender offer (Öffentliches Kaufangebot) of Scintilla for all publicly held shares of sia is not being made directly or indirectly in any country or jurisdiction in which such offer would be considered unlawful or in which it would otherwise violate any applicable law or regulation, or which would require Scintilla or Bosch to amend the terms or conditions of the public tender offer in any way, or which would require to make any additional filing with or take any additional action with regard to any governmental, regulatory or legal authority. Scintilla and Bosch do not intend to extend the public tender offer to any such country or jurisdiction. Documents relating to the public tender offer may not be distributed in such countries or jurisdictions or sent into such countries or jurisdictions and may not be used for purposes of soliciting the purchase of any securities of sia by any person or entity in such countries or jurisdictions.

Notice to U.S. Holders

The public tender offer described in the offer documents of Scintilla (the Offer) is not being made, directly or indirectly, in or into the United States of America (the U.S.) or by use of the U.S. mails, or by any means or instrumentality (including, without limitation, post, facsimile transmission, telex, telephone or electronic transmission by way of the internet or otherwise) of U.S. interstate or foreign commerce or of any facility of a U.S. national securities exchange and the Offer cannot be accepted by any such use, means or instrumentality or from within the U.S.

Scintilla and Bosch are not soliciting the tender of securities of sia by any holder of such securities in the U.S. sia securities will not be accepted from holders of such securities in the U.S. Any purported acceptance of the Offer that Scintilla and Bosch or their agents believe has been made in or from the U.S. will be invalidated. Scintilla and Bosch reserve the absolute right to reject any and all acceptances determined by them not to be in the proper form or the acceptance of which may be unlawful.

Copies of the Offer Prospectus (Offer Prospectus) or any related offering documents must not be mailed or otherwise distributed or sent in or into the U.S. and may not be used for the purpose of soliciting the purchase of any securities of sia from anyone in any jurisdiction, including the U.S., in which such solicitation is not authorized or from any person to whom it is unlawful to make such solicitation. Any person receiving the Offer Prospectus (including custodians, nominees and trustees) must observe these restrictions.

I have read and understood this important notice and
       confirm that I am not resident or domiciled in a        jurisdiction affected by the offer restrictions and that
       I will not disseminate any offer documents into any        such jurisdiction by any means whatsoever.