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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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Person/company obliged to make the notification:

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Name:    see below
Place:   see below
State:   United States

Company data:
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Name:    Klöckner & Co SE
Address: Am Silberpalais 1, 47057 Duisburg
Place:   Duisburg
State:   Deutschland

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

1. BlackRock Financial Management, Inc., New York/New York, United States

2. BlackRock Holdco 2, Inc., Wilmington/Delaware, United States

3. BlackRock, Inc., New York/New York, United States

1. We should hereby like to inform you pursuant to Section 21 Paragraph 1 WpHG
that the percentage holding of the voting rights of BlackRock Financial
Management, Inc. in Klöckner & Co SE fell below the threshold of 3 % on 8 June
2010 and amounts to 2.78% (1,845,810 voting shares) on that day. All of the
voting rights are attributable to BlackRock Financial Management, Inc. pursuant
to Section 22 Paragraph 1 Sentence 1 no. 6 in connection with Sentence 2 WpHG.

2. We should hereby like to inform you pursuant to Section 21 Paragraph 1 WpHG
that the percentage holding of the voting rights of BlackRock Holdco 2, Inc. in
Klöckner & Co SE fell below the threshold of 3 % on 8 June 2010 and amounts to
2.78% (1,845,810 voting shares) on that day. All of the voting rights are
attributable to BlackRock Holdco 2, Inc. pursuant to Section 22 Paragraph 1
Sentence 1 no. 6 in connection with Sentence 2 WpHG.

3. We should hereby like to inform you pursuant to Section 21 Paragraph 1 WpHG
that the percentage holding of the voting rights of BlackRock, Inc. in Klöckner
& Co SE fell below the threshold of 3 % on 8 June 2010 and amounts to 2.78%
(1,845,810 voting shares) on that day. All of the voting rights are attributable
to BlackRock, Inc. pursuant to Section 22 Paragraph 1 Sentence 1 no. 6 in
connection with Sentence 2 WpHG.

additional (optional) statements:
Dr. Jan Liersch (phone +49-203-307-2284)

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: regulated dealing/prime standard: Frankfurt, free trade: Berlin,
          Hamburg, Stuttgart, Düsseldorf, München 
language: English