'I introduced improved controls, guidelines, and technical rigour in the E&P unit,' he said. 'As the magnitude of the non-compliant reserves classifications became apparent in late 2003, I led the charge to communicate the issues fully within the company. I persisted in calling for full and prompt disclosure to the company's joint boards of directors and to the public. On 3 March 2004, without credible explanation, I was asked to resign my positions within the company.'