KKR Asset Management  announced the final close of its mezzanine fund, KKR Mezzanine Partners I. In total, the fund closed on over $1.0 billion from a diverse group of global investors, including insurers, pension plans, family offices and sovereign pools of capital. Recent transactions include providing the mezzanine financing that facilitated Advent International Corp.’s and Bain Capital Partners’ acquisition of payment processor RBS WorldPay, Bain Capital Partners’ acquisition of chemical distributor IMCD Group and supporting the sale of Kroll to Altegrity, an international screening and security solutions company owned by Providence Equity Partners.