Vistra Corp.

"No customer concentration disclosure was detected in the most recent filing parsed."

"No geographic concentration disclosure was detected in the most recent filing parsed."

"No single-source supplier dependency was detected in the most recent filing parsed."

"No product concentration disclosure was detected in the most recent filing parsed."

"Significant ( i.e. , 10% or greater) concentration of credit exposure exists with one counterparty, which represented an aggregate $331 million, or 46%, of our total net exposure as of December 31, 2025."