Horizon Lines Introduces ReeferPlus GPS Continuous Visibility and Security Solution for Refrigerated

11.06.2008

CHARLOTTE, NC, November 6, 2008 – Horizon Lines, Inc. (NYSE: HRZ), announced today the immediate availability of the ReeferPlus®GPS container tracking and shipment monitoring solution for refrigerated ocean containers moving between the continental U.S. and Puerto Rico. This innovative solution is designed to improve the visibility and security of high-value perishable cargo requiring cold chain logistics; a term used to describe the maintenance of product temperature through the entire transport chain from packing to delivery.

Key capabilities of ReeferPlus®GPS include GPS-enabled real-time container tracking; in-box sensors reporting temperature, atmosphere and security updates via the web; and remote monitoring and adjusting of reefer conditions with one computer click.

The ReeferPlus®GPS solution uses Impeva Labs’ Global Sentinel Unit, which links multiple two-way communication channels, real-time wireless sensors and a direct two-way interface to the refrigerated container’s controller. With continuous real-time supply chain visibility and remote configuration, Horizon Lines’ ReeferPlus®GPS customers can track, trace, monitor and take corrective action from their offices anywhere in the world.

“ReeferPlus®GPS is a major advance in cold chain logistics,” said Jacob Wegrzyn, Senior Vice President and General Manager, Puerto Rico Division for Horizon Lines, LLC. “We have been developing and testing this solution for two years in the Puerto Rico tradelane to offer high-value perishables shippers the visibility and control they need for maximum quality control and security.”

“We are very pleased that our collaboration with Horizon has resulted in the launch of ReeferPlus®GPS,” said Tony Moroyan, CEO of Impeva Labs. “Using the latest technologies, ReeferPlus®GPS is the most capable and advanced solution for global tracking, cargo monitoring and container security. This comprehensive and flexible system offers reefer users outstanding value in confirming cargo integrity across the entire logistics supply chain. This puts Horizon Lines in a clear leadership position.”

About Horizon Lines
Horizon Lines, Inc. is the nation's leading domestic ocean shipping and integrated logistics company comprised of two primary operating subsidiaries. Horizon Lines, LLC owns or leases a fleet of 21 U.S.-flag containerships and 5 port terminals linking the continental United States with Alaska, Hawaii, Guam, Micronesia and Puerto Rico. Horizon Logistics, LLC offers customized logistics solutions to shippers from a suite of transportation and distribution management services designed by Aero Logistics, information technology developed by Horizon Services Group and intermodal trucking and warehousing services provided by Sea-Logix. Horizon Lines, Inc. is based in Charlotte, NC, and trades on the New York Stock Exchange under the ticker symbol HRZ.

About Impeva Labs
Impeva Labs is the leading supplier of continuous global asset visibility (tracking, tracing, monitoring and security). Impeva’s services enable effective asset management and the most efficient transportation of goods by providing a Continuous Chain of Custody (C-3) Shipping SystemTM. Impeva’s customers can see real time data, receive event alerts, and take corrective action from anywhere in the world, without leaving the office. Impeva Labs is a privately held company based in Mountain View, California with offices in Florida, Brazil and Armenia. With Impeva Labs: Whatever, Wherever, Whenever, You’ll KnowTM. www.impeva.com

Forward Looking Statements
The information contained in this press release should be read in conjunction with our filings made with the Securities and Exchange Commission. This press release contains “forward-looking statements” within the meaning of the federal securities laws. These forward-looking statements are intended to qualify for the safe harbor from liability established by the Private Securities Litigation Reform Act of 1995. Forward-looking statements are those that do not relate solely to historical fact. They include, but are not limited to, any statement that may predict, forecast, indicate or imply future results, performance, achievements or events. Words such as, but not limited to, “believe,” “expect,” “anticipate,” “estimate,” “intend,” “plan,” “target,” “projects,” “likely,” “will,” “would,” “could,” and similar expressions or phrases identify forward-looking statements.

All forward-looking statements involve risk and uncertainties. In light of these risks and uncertainties, expected results or other anticipated events or circumstances discussed in this press release might not occur. We undertake no obligation, and specifically decline any obligation, to publicly update or revise any forward-looking statement, whether as a result of new information, future events or otherwise. See the section entitled “Risk Factors” in our Form 10-K filed with the SEC on February 6, 2008, and in subsequent Form 10-Qs, for a more complete discussion of these risks and uncertainties and for other risks and uncertainties. Those factors and the other risk factors described therein are not necessarily all of the important factors that could cause actual results or developments to differ materially from those expressed in any of our forward-looking statements. Other unknown or unpredictable factors also could harm our results. Consequently, there can be no assurance that actual results or developments anticipated by us will be realized or, even if substantially realized, that they will have the expected consequences.