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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