Goodman Group has warned the market to expect a drop in operating profit and almost $1.1bn worth of asset write-downs in its interim profit report next week.

Goodman shares lost 62 cents this week to close at 45.5c, and it may have decided to provide more certainty to the market in a bid to halt the decline.

Goodman said it expected to report after-tax operating income of about $215m, down from $290.3m in the corresponding December 2007 first half.

The Australian