In the FTSE 100, oil and gas supermajor BP (LON:BP) said that BP Products North America and the US Occupational Safety and Health Administration (OSHA) have reached a settlement to resolve 270 of the 709 citations that OSHA issued to BP at its Texas City Refinery in October 2009.

On AIM, industrial construction company Norcon (LON:NCON) said that revenue for the first half is now expected to be within approximately 5% of the Board's half year expectations, with net cash at US$8.5 million.

African Diamonds (LON:AFD) has received an unsolicited proposal regarding a potential offer to acquire the entire issued and to be issued share capital of the company. The board said it could not recommend the proposal to its shareholders.

EU operating Rome-based oil junior Mediterranean Oil & Gas (LON:MOG) has said that new Italian regulations prohibit offshore exploration and production activities for liquid hydrocarbons within 5 miles of the Italian coast, applying to ongoing authorisation procedures relating to those activities. The company stated that it was not clear whether the decree would prohibit further development of the Ombrina Mare field.

US focused oil and gas junior Caza Oil & Gas (LON:CAZA) reported that its O.B. Ranch #1 well has reached total depth of 16,280 feet on August 10, 2010 having encountered Yegua, Cook Mountain and Wilcox sands.