LONDON—Asda, the British supermarket chain, and EG Group have terminated a deal that would have seen EG buy Asda’s petrol forecourts for 750 million pounds ($1.03 billion), the two companies said on Monday. Both Asda and EG are owned by Zuber and Mohsin Issa and private equity group TDR Capital. The deal was initially struck in February. However, regulatory restrictions placed on the Issa brothers and TDR were not lifted until June. Only then could the Asda and EG Group’s teams start to share commercial information relating to EG’s purchase of the petrol forecourts. This resulted in several changes to the financial evaluation of the proposed transaction. “As a result, EG and Asda have decided they will no longer proceed with the transaction, and it was terminated as of 18 October,” both companies said. Asda said it remained confident it will continue to derive synergy benefits from its strategic alliance …