Vaisala Appoints New Managing Director for 3TIER I

Vaisala Appoints New Managing Director for 3TIER India Rajnikanth Umakanthan to head Vaisala's Indian subsidiary, delivering end-to-end resource risk management services for renewable energy developers, operators and investors

VAISALA CORPORATION                         PRESS RELEASE                            FEBRUARY 27, 2017

3TIER India, a subsidiary of global environmental and industrial measurement leader, Vaisala, has appointed a new Managing Director. Rajnikanth Umakanthan (Rajni) joins the business to lead the Bangalore-based team in the delivery of Vaisala's platform of services for the wind and solar sectors, encompassing project development, operations and portfolio management.

Joining from Underwriters Laboratories (UL), where he served as Head of Business Development for Greater Asia and the Middle East, Rajni has over a decade of experience in the renewable energy market. He has played a key role in the development of renewable energy regulations and in the adoption of safety and performance standards for solar PV equipment, wind turbines and utility-scale energy storage systems.

His work has been instrumental in establishing infrastructure for long-term reliability and durability testing of solar PV modules in India and in helping project developers procure bankable modules for their projects.

With this background in renewable energy technology and risk management, Rajni has a strong understanding of what is required to deliver investment-grade projects in the Indian market. At Vaisala, Rajni will drive efforts to ensure project developers and operators are well placed to manage the impact of resource variability throughout the lifetime of their assets, from early-stage site assessment through project operations.

"Over the past nine years, 3TIER India has established itself as the leading provider of weather data, energy due diligence services and measurement equipment to the Indian solar and wind industries," said Rajni Umakanthan, Managing Director, 3TIER India.

"As the domestic renewable energy market has grown, so too has demand from project stakeholders for the high-quality equipment and independent analysis we provide. I am excited to increase our market reach and expand the range of services we offer in India, based on positive interest and feedback I've received from conversations with our customers."

Vaisala's 3TIER India subsidiary has been active in the Indian market since 2008 and has worked on over 50GW of Indian wind and solar capacity to date. In 2014, Vaisala was also selected by the Indian Ministry of New and Renewable Energy (MNRE) to create a Solar Atlas of India, which has become an invaluable reference point for investors and project developers.

For further information, please contact: Rajni Umakanthan - Managing Director, 3TIER India Tel +91 9900 573 791 rajnikanth.umakanthan[at]vaisala.com   Francesca Davidson - Energy Communications Expert, Vaisala Tel +1 206 708 8544 francesca.davidson[at]vaisala.com

Vaisala Energy Weather provides the fuel for renewable energy projects and is one of the largest variables impacting production. Vaisala uses more than 80 years of weather expertise to help the global renewable energy industry develop and operate wind and solar projects better, faster and more efficiently. Our measurement, assessment, forecasting and asset management products and services leverage proven science and advanced technology to mitigate the impact of weather risks on energy generation and support profitable decision-making across the entire project lifecyle, from greenfield prospecting and due diligence through operational forecasting and plant optimization. www.vaisala.com/energy twitter.com/VaisalaEnergy linkedin.com/company/vaisala-energy

About Vaisala Vaisala is a global leader in environmental and industrial measurement. Building on 80 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 1600 professionals worldwide and is listed on the NASDAQ OMX Helsinki stock exchange. www.vaisala.com www.twitter.com/VaisalaGroup