Agility-backed Tristar, an integrated energy logistics company, agreed to acquire a 51% stake in HG Storage International, a portfolio of high-calibre petroleum products storage and logistics businesses, for $215m, from Madison Pacific, a provider of corporate trustee and debt services. Through this deal, Tristar will acquire a majority holding in a well-diversified portfolio of oil storage, distribution and retail assets owned by HGSI, comprising 8 operating assets across 4 key regions: Europe, the Americas, Middle East and Africa.