Siguler Guff-backed Dienerian Resources, a privately-owned oil and gas exploration and production company, agreed to merge with Persist Oil and Gas, a privately owned oil and gas company. Financial terms were not disclosed. "We are very excited to partner with Persist in its next phase of growth. This merger and consequent investment demonstrate Siguler Guff's ongoing commitment to providing flexible capital solutions to the exploration & production sector," PR Panigrahi, Siguler Guff Managing Director and Head of Energy Investments.