First-quarter pretax operating profit will drop in three segments, led by a "significant" decline in the electronics unit, while industrial biosciences will lead gains in three other segments, DuPont said in a slide presentation on its website.
Sales in 2013 will climb to $36 billion from $34.8 billion, DuPont said, topping the $35.9 billion average of 17 analysts' estimates.
The fourth-quarter loss in the agriculture unit, which sells crop seeds and pesticides, narrowed to $92 million, from $116 million a year earlier, on improved sales volumes in Latin America, DuPont said.
Earnings in the performance-chemicals unit, the most profitable business last year, fell 54 percent on lower prices for titanium dioxide, a pigment used to whiten paint and plastics. Pretax operating margins in the unit may decline as much as 7 percentage points this year, DuPont said last month.
Earnings from the auto paint unit, which is being sold to Carlyle Group for $4.9 billion, were excluded from adjusted earnings as the business is now accounted for as a discontinued operation. Kullman is shedding the unit as she shifts DuPont's focus to products that help meet global demand for food, energy and security.
Items excluded from adjusted fourth-quarter profit include $135 million to resolve claims that Imprelis weedkiller destroyed trees, $66 million in restructuring costs, a $33 million impairment charge in the performance chemical unit and a $117 million gain from the sale of an agriculture business. Imprelis charges now total $750 million and may rise to $900 million, DuPont said.
The full-year forecast excludes pension costs and an anticipated U.S. tax gain, DuPont said.
DuPont, founded in 1802 to make gunpowder, produces thousands of products from Corian countertops and Teflon coatings to Tyvek weather barrier and Kevlar bullet-proof fibers.