 Strategic acquisition to maximize growth and audience engagement for small businesses WALTHAM, MA and GAINESVILLE, FL ACCESSWIRE June 22, 2021 Constant Contact, an established leader in online marketing, backed by Clearlake Capital Group, L.P. together with its affiliates, Clearlake and Siris Capital together with its affiliates, Siris, today announced it has signed a definitive agreement to acquire SharpSpring, Inc. SharpSpring NASDAQ:SHSP in an all cash transaction valued at approximately 240 million including outstanding indebtedness. 