Aer Rianta is to write off €7m already invested in the development of extra terminal facilities at Dublin Airport, known as Pier D, which it is now understood will not go ahead.
Aer Rianta chairman Noel Hanlon said the decision is expected to be taken by the company next week.
The state airports' authority yesterday published what is expected to be its final group annual report, showing profits of just over €20m, down almost 44% on the previous year.
Aer Rianta blamed the fall in profits on the fixed level of landing charges at its airports, which is set by the Aviation Regulator, and a poor performance in some of its operations abroad.
Aer Rianta Chairman Noel Hanlon is coming to the end of his second term in the position. He said he was disappointed at the Government's plan to break up the company but said Aer Rianta had to go along with Government policy.