Warburg Pincus to acquire a majority stake in Keystone Agency Partners.

Warburg Pincus, a private equity firm, agreed to acquire a majority stake in Keystone Agency Partners, an insurance broker and agency network. Financial terms were not disclosed. "We're excited to partner with Warburg Pincus, a firm with a proven track record of supporting growth-oriented companies. This investment will enable us to accelerate our growth initiatives and further support our agency and network partners as they navigate the changing insurance landscape," Patrick Kinney, Keystone CEO.