| Auctioneer | Country |
| 1 | Austrian Federal Financing Agency (Österreichische Bundesfinanzierungsagentur) | AT |
| 2 | The Registry Administrator - National Greenhouse Gas Registry | BE |
| 3 | Ministry of Environment and Water | BG |
| 4 | Cyprus Stock Exchange | CY |
| 5 | OTE, a.s. | CZ |
| 6 | Federal Environment Agency (Umweltbundesamt) | DE |
| 7 | Danish Energy Agency | DK |
| 8 | Ministry of the Environment (Keskkonnaministeerium) | EE |
| 9 | Secretary of State of Environment - Ministry of Agriculture, Food and Environment | ES |
| 10 | Energy Authority | FI |
| 11 | French Treasury Agency (Agence France Trésor) | FR |
| 12 | Operator of Electricity Market S.A. (LAGIE S.A.) | GR |
| 13 | Environmental Protection and Energy Efficiency Fund | HR |
| 14 | Ministry for National Economy | HU |
| 15 | Environmental Protection Agency | IE |
| 16 | Gestore dei Servizi Energetici - GSE S.p.A. | IT |
| 17 | Ministry of Finance of the Republic of Lithuania | LT |
| 18 | State Treasury (Trésorerie de l'État) | LU |
| 19 | Ministry of Environmental Protection and Regional Development of the Republic of Latvia | LV |
| 20 | Debt Management Directorate (The Treasury), Ministry of Finance, the Economy and Investment | MT |
| 21 | Dutch Emission Authority (Nederlandse Emissieauttoriteit) | NL |
| 22 | Institute of Environmental Protection - National Research Institute, the National Centre for Emissions Management (IOŚ-PIB / KOBiZE) | PL |
| 23 | Portuguese Treasury and Debt Management Agency (IGCP, E.P.E.) | PT |
| 24 | Ministry of Public Finance | RO |
| 25 | Swedish National Debt Office (Riksgäldskontoret) | SE |
| 26 | SID banka, d.d., Ljubljana | SI |
| 27 | EXIMBANKA SR | SK |
