Additional Information Regarding Prospectus Supplement and Re-opening of Invitation to Tender Existing Hybrid Capital Bonds for Repurchase

On 11 November 2010 DONG Energy A/S announced its intention to issue, subject to market conditions, new callable subordinated capital securities due 3010. At the same time DONG Energy announced a conditional  invitation to all holders of its outstanding EUR 1.1bn callable subordinated capital securities due 3005 (ISIN: XS0223249003) to tender their existing bonds for repurchase for cash.

DONG Energy hereby announces that a prospectus supplement will be published in relation to the contemplated issue of new bonds. The update which is of a technical nature does not constitute inside information.

According to applicable prospectus rules as supplemented by relevant passporting jurisdiction regulations the publication of the prospectus supplement will trigger a right of withdrawal, which applies to all individuals, who have subscribed for new bonds.

The prospectus supplement for the new issue will be filed with CSSF (the financial supervisory authority of Luxembourg) for approval and an amended summary of the prospectus will be filed with the authorities in the jurisdictions to which the prospectus has been passported.

In connection with the above and considering that the deadline pursuant to the company’s previous invitation to holders of its outstanding EUR 1.1bn callable subordinated capital securities due 3005 expired by close of business on 23 November 2010, DONG Energy A/S at the same time announces a re-opening of the company’s invitation. The invitation hereafter expires on Friday 26 November 2010 at 5.00 pm CET.

As a consequence of the re-opening of the invitation, tenders for repurchase which have been validly submitted prior to the publication of this announcement will remain valid unless revoked prior to Friday 26 November 2010, at 4:00 pm CET.

The information provided in this announcement does not change the previous financial guidance for the 2010 financial year or the announced expected investment level.

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Source: dong, November 24, 2010;