DealsKKR’s Pillarstone exits Sirti Energia to make it eight for MutaresMutares has bought the company as an add-on acquisition to its portfolio company Exi.ByDavid Wansboro22 September 2022•1 min readJavaScript is required to read this article. Please enable it in your browser and reload the page.DealsEuropeEnergy / oil & gasNatural ResourcesTop Stories