WSI Announces WSI InFlight® Version 4.3

Leader in Cockpit Weather Adds Terrain Mapping to EFB Display Software

ANDOVER, MA - October 15, 2009 — WSI (Weather Services International) today announced the release of WSI InFlight® Version 4.3, the latest version of its aviation display technology designed to enhance and simplify the user experience in the cockpit while depicting the most accurate weather data available. This release of the software enables users to utilize a realistic color terrain base map for enhanced situational awareness.

“The release of 4.3 continues our mission to consistently improve the value of weather datalink to our customers” stated Paul Devlin, Product Manager of Business Aviation. “I am pleased to be able to offer our clients the ability to easily reference current weather conditions to major topographic features.”

WSI InFlight 4.3 software is available for use with EFBs and Window s XP computers in conjunction with the WSI InFlight datalink weather system. It can be activated for a one-time fee of $595. WSI InFlight 4.3 is available at no cost to all current WSI InFlight 4.n license holders. Go to www.wsi.com/fly/software to download WSI InFlight 4.3.

About WSI InFlight

WSI InFlight provides a continuous stream of aviation the most accurate weather information available to your portable or panel-mounted display with content for the majority of North America and the Caribbean at any altitude. Services include delivery of the industry’s highest quality radar mosaic, WSI NOWrad®, Echo Tops, high precision lightning data, icing levels, cloud tops, Canadian radar surface analyses, wind and temperatures aloft, METARs, TAFs, SIGMETs, AIRMETs, TFRs, and PIREPs.

About WSI Corporation

WSI Corporation is the world's leading provider of weather-driven business solutions for professionals in the aviation, media and energy markets. WSI’s proactive operation management suite ensures common situational awareness and continuity in decisions through every phase of flight. WSI is a member of The Weather Channel Companies and is headquartered in Andover, Massachusetts with offices in Birmingham, England. The Weather Channel Companies are owned by a consortium made up of NBC Universal and the private equity firms The Blackstone Group and Bain Capital. For more information call (800) USA-2FLY; in the Eastern Hemisphere call +44 (0) 121 233 7600; or visit: www.wsi.com.