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  Notification of voting rights transmitted by euro adhoc. The issuer is
  responsible for the content of this announcement.
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Announcement according to Article 21, Section 1 of the WpHG (share)

Person/company obliged to make the notification:
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Name:    UBS AG
Place:   Zurich
State:   Switzerland

Pursuant to § 21 para. 1 sentence 1 of the German Securities Trading Act (WpHG),
Klöckner & Co SE, Am Silberpalais 1, 47057 Duisburg, Germany, has been notified
as follows on behalf of the company mentioned below:

1. As per 18 May 2012, the voting rights of UBS AG, Zurich, Switzerland, in
Klöckner & Co SE have exceeded the threshold of 3 % and amounted to 3.01 %
(2,998,858 voting rights of a total of 99,750,000 voting rights) as of that
date. Of the total voting rights, 0.10 % (98,720 voting rights) are attributed
to UBS AG pursuant § 22 para. 1 sentence 1 no. 1 WpHG.

2. As per 21 May 2012, the voting rights of UBS AG, Zurich, Switzerland, in
Klöckner & Co SE have fallen below the threshold of 3 % and amounted to 2.38 %
(2,372,096 voting rights of a total of 99,750,000 voting rights) as of that
date. Of the total voting rights, 0.10 % (98,720 voting rights) are attributed
to UBS AG pursuant § 22 para. 1 sentence 1 no. 1 WpHG.



Further inquiry note:
Dr. Jan Liersch
Tel.: +49 (0) 203 307-2284

issuer:      Klöckner & Co SE
             Am Silberpalais 1
             D-47057 Duisburg
phone:       +49(0)203-307-0
FAX:         +49(0)203-307-5000
mail:        info@kloeckner.de
WWW:         ¿U1http://www.kloeckner.de¿U0
sector:      Metal Goods & Engineering
ISIN:        DE000KC01000
indexes:     CDAX, Classic All Share, Prime All Share
stockmarkets: free trade: Berlin, München, Hamburg, Düsseldorf, Stuttgart,
             regulated dealing/prime standard: Frankfurt 
language:    English