Office Depot buys OfficeMax

Office Depot and OfficeMax unite in a changing office-supply market crowded with competitors such as Staples, Wal-Mart and Amazon. (Daniel Acker / Bloomberg)

Office supply retailer Office Depot Inc. reported a net loss for the fourth quarter due to charges associated with its acquisition of Naperville-based rival OfficeMax Inc.

The company, which appointed turnaround expert Roland Smith as chief executive in November, reported a net loss of $144 million, or 34 cents per share, for the quarter ended Dec. 28.

On an adjusted basis, Office Depot reported a loss of 3 cents per share.

Total sales rose 33 percent to $3.49 billion