DSG Diamond S Shipping Group, Inc.

Descartes Systems Group (Nasdaq:DSGX) (TSX:DSG), the global leader in uniting logistics-intensive businesses in commerce, announced today that S&P Dow Jones Canadian Index Services has confirmed that Descartes will be added to the S&P/TSX Composite Index effective after the close of trading on Friday, December 20, 2013.

"This marks another important milestone for Descartes," said Edward Ryan, Descartes' Chief Executive Officer. "We're extremely pleased to be included in the S&P/TSX Composite Index and look forward to the increased visibility and broader market participation that comes with being a part of the index."

The S&P/TSX Composite Index, managed and calculated by S&P Dow Jones Indices, is the headline index and the principal broad market measure for the Canadian equity markets.

About Descartes

Descartes (TSX:DSG) (Nasdaq:DSGX) is the global leader in providing on-demand, software-as-a-service solutions focused on improving the productivity, performance and security of logistics-intensive businesses. Descartes has over 171,000 parties using its cloud based services. Customers use our modular, software-as-a-service solutions to route, schedule, track and measure delivery resources; plan, allocate and execute shipments; rate, audit and pay transportation invoices; file customs and security documents for imports and exports; and complete numerous other logistics processes by participating in the world's largest, collaborative multi-modal logistics community. Our headquarters are in Waterloo, Ontario, Canada and we have offices and partners around the world. Learn more at www.descartes.com.

Safe Harbor Statement

This release contains forward-looking information within the meaning of applicable securities laws ("forward-looking statements"). Such forward-looking statements involve known and unknown risks, uncertainties and other factors and assumptions that may cause the actual results, performance or achievements of Descartes, or developments in Descartes' business or industry, to differ materially from the anticipated results, performance or achievements or developments expressed or implied by such forward-looking statements. Some of these factors and assumptions are discussed in the section entitled, "Certain Factors That May Affect Future Results" in documents filed with the Securities and Exchange Commission, the Ontario Securities Commission and other securities commissions across Canada, including Descartes' Annual Report on Form 40-F for FY13.

CONTACT: Descartes Investor Contact:
         Laurie McCauley (519) 746-6114 x202358
         investor@descartes.com