Article 2
1. Germany shall recover the incompatible aid referred to in Article 1(4) from the beneficiaries. 2. Taking into account that Ryanair and AMS constitute a single economic unit for the purpose of the present Decision, they shall be jointly liable to repay the State aid received by either, by virtue of the combined application of the airport services agreement of 3 March 2003, the marketing agreement of 7 April 2003 and the marketing agreement of 25 January 2010. 3. The sums to be recovered shall include interest from the date on which they were available to the beneficiaries until their actual recovery. 4. The interest shall be calculated on a compound basis in accordance with Chapter V of Regulation (EC) No 794/2004. 5. Germany shall cancel all outstanding payments of aid referred to in Article 1(4) with effect from the date of adoption of this Decision.