ORBCOMM, Inc. provided preliminary unaudited earnings guidance for the fourth quarter ended December 31, 2013. For the fourth quarter of 2013, the company expects to report service revenues in the range of $14.6 million to $14.9 million, as compared to $12.4 million for the fourth quarter of 2012, product sales in the range of $4.4 million to $4.6 million, as compared to $3.8 million for the fourth quarter of 2012, and adjusted EBITDA in the range of $4.0 million to $4.6 million, as compared to $4.2 million for the fourth quarter of 2012 and net income attributable to the company in the range of $1.4 million to $2.0 million, as compared to $2.1 million for the fourth quarter of 2012. The company expects depreciation and amortization of $1.6 million against $1.4 million last year.