The company has held discussions with potential buyers, though the process isn't formal, the sources said.
Norway's oil production has halved since its 2000 peak, underscoring oil companies' desire to exit the area as they attempt to cut costs amid the recent plunge in crude oil prices, Bloomberg adds.
Shares of the Irving, TX-based energy company were fluctuating between gains and losses in early-morning trading on Friday.
Separately, TheStreet Ratings team rates the stock as a "hold" with a ratings score of C.
Exxon's strengths such as its reasonable valuation levels, largely solid financial position with reasonable debt levels by most measures and solid stock price performance are countered by weaknesses including feeble growth in the company's earnings per share, weak operating cash flow and poor profit margins.
You can view the full analysis from the report here: XOM
TheStreet Ratings objectively rated this stock according to its "risk-adjusted" total return prospect over a 12-month investment horizon. Not based on the news in any given day, the rating may differ from Jim Cramer's view or that of this article's author.