Insert text of announcement in the Börsen-Zeitung dated 30 August 2005 and then the following note
Supplement to the technical implementation guidelines published in the WM issue no. 36 dated 4 September 2004 (page 8926 et seq.) and WM issue no. 41 dated 9 October 2004 (page 10096 et seq.).
Celanese Europe Holding GmbH & Co/KG, et al. · SC TO-T/A · Celanese AG · On 8/30/05 · EX-99.A.5.B
Filed On 8/30/05 5:10pm ET · SEC File 5-57467 · Accession Number 950123-5-10540
7: EX-99.A.5.B Ex-99.A.5.B: English Translation of Cover Letter HTML 39K
to Supplement Dated August 30, 2005

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Note added at 1 Stunde (2008-04-12 18:55:01 GMT)
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have/has not or will not file any application for the institution of arbitration proceedings pursuant to § 1 no. 1 of the German Act on Arbitration Proceedings (Spruchverfahrensgesetz) or have/has irrevocably and with legally binding effect revoked any application already filed and that I/we/the company represented by me/us waive/s the institution of arbitration proceedings for the determination of an adequate compensation payment in connection with the conclusion of the control and profit transfer agreement;
will not join any applications and not otherwise directly or indirectly support any arbitration proceedings pursuant to § 1 no. 1 of the German Act on Arbitration Proceedings (Spruchverfahrensgesetz);
waive/waives any compensation determined in any arbitration proceedings pursuant to § 1 no. 1 of the German Act on Arbitration Proceedings (Spruchverfahrensgesetz) or agreed upon to terminate any such arbitration proceedings.
/we also hereby represent that, at the time of transfer, I am/we are the sole owner/s of the shares in Celanese AG held by me/us/the company represented by me/us and that such shares are free and clear of any third-party rights and claims or that I/we/the company represented by me/us continue to hold the corresponding supplementary claims to any increase in the cash compensation and that I/we/the company represented by me/us in particular have/has not assigned any such claims.