As a result of the ransomware attack, Sierra Wireless halted production at its manufacturing sites. The company's website and other internal operations have also been disrupted by the attack. The company believes it will restart production at these facilities and resume normal operations soon. In the meantime, Sierra Wireless asks its customers and partners for their patience as it seeks to remediate the situation. Due to these disruptions, Sierra Wireless is at this time withdrawing the First Quarter 2021 guidance it provided on February 23, 2021. About Sierra Wireless Sierra Wireless (NASDAQ: SWIR) (TSX: SW) is the leading IoT solutions provider that combines devices, network services and software to unlock value in the connected economy. Companies globally are adopting IoT to improve operational efficiency, create better customer experiences, improve their business models and create new revenue streams.