Earnings reflected a charge of 4 cents a share to retire a part of the company's senior debt.
The 2003 earnings reflected a one-time $639.9 million charge related to manufacturing.
As Ameritech previously reported, its 1992 annual earnings reflect a $1.8 billion one-time charge.
The most recent fourth-quarter results also reflect a $35.5 million one-time charge for a change in accounting practices.
The company said the 1987 results reflects a charge of $486,000 (pre-tax) for early retirement program.
The loss reflected a one-time $2.8 billion charge against its income to cover the expense of the plant closings.
Although the 1990 results reflected a special $98 million after-tax charge, analysts were nonetheless impressed.
The latest fourth quarter reflects a charge of $44 million for loan loss reserves.
Results for the latest 6-month reflect a pretax charge of $486,000 for an early retirement program.
The results reflect a $1.2 million charge for refinancing debt, the company said.