TDR Capital, the owner of the PizzaExpress chain, said yesterday it had received valid acceptances of its all-cash recommended bid for the rival pizza chain Ask Central from shareholders holding some 45.6% of the company's stock. TDR said it would extend the offer for 21 days, with the next closing date 3pm on April 20. The bid, made by TDR and its partner in PizzaExpress, Capricorn Ventures, through a vehicle called Riposte Ltd, values Ask at £212.9m.