Gerald Ronson's Heron Corporation's moves to acquire Crest Nicholson have reached a climax, as Crest's takeoever panel has given Heron a final chance to make a formal bid by May 4. The two companies are meeting to thrash out their differences over information sharing, as Heron is urging Crest shareholders to "press the board" to permit Heron access to it Crest's books. <p></p><p>In a statement to the London Stock Exchange (LSE) Heron said: "If Crest Nicholson does not provide information on the business in advance of May 4, then Heron will not make an offer for Crest Nicholson." Crest responded by issuing its own statement to the LSE reiterating its belief that Heron's £480 million offer significantly undervalued the company. It went on to say: "The board believes that there is sufficient information in the public domain to place an appropriate indicative value on the company." </p><p>Crest chairman John Matthews said: "We remain confident that Crest's market position and the quality of its short term and strategic land banks offer our shareholders excellent prospects for future profits and increased value." Any offer, he added, would have to reflect these prospects. </p><p>The statements are the latest instalments in the ongoing saga, …