June 29 (Reuters) - Rio Tinto Ltd:
* Address by the chairman
* "As such we continue to consider that proposed transaction with Yancoal is fair and reasonable"
* Board is recommending Yancoal's improved offer to shareholders based on greater transaction certainty and a higher net present value
* Convened to approve sale of company's shareholding in Coal & Allied Industries Limited to Yancoal Australia Limited for US$2.69 billion Source text for Eikon: Further company coverage: