Vaisala Signs a Significant Contract for Radiosondes

Vaisala Corporation Stock Exchange Release December 31, 2013 at 9:00 a.m. Vaisala has signed a contract to deliver radiosondes to its long-term customer. The deliveries start at the end of 2014 and will be completed during the summer of 2018. The value of the deal is EUR 11.0 million. Radiosondes are meteorological devices that are used to measure pressure, temperature, humidity, wind speed and direction in the upper atmosphere. The radiosonde reaches an altitude of up to 30 kilometers and transmits continuous data to ground equipment during its ascent. The ground-based sounding system processes the data and converts it into meteorological weather messages. For Further Information Please Contact: Kai Konola, Executive Vice President of Vaisala Weather Business Tel. +358 40 5024 900, kai.konola[at] Distribution: NASDAQ OMX Helsinki Key media About Vaisala Vaisala is a global leader in environmental and industrial measurement. Building on 75 years of experience, Vaisala contributes to a better quality of life by providing a comprehensive range of innovative observation and measurement products and services for chosen weather-related and industrial markets. Headquartered in Finland, Vaisala employs approximately 1,400 professionals worldwide and is listed on the NASDAQ OMX Helsinki stock exchange. Vaisala Signs a Significant Contract for Radiosondes: This announcement is distributed by GlobeNewswire on behalf of GlobeNewswire clients. The owner of this announcement warrants that: (i) the releases contained herein are protected by copyright and other applicable laws; and (ii) they are solely responsible for the content, accuracy and originality of the information contained therein. Source: Vaisala Oyj via GlobeNewswire [HUG#1752314]