Photo booth group Photo-Me's revenue from continuing operations and underlying pre-tax profit both increased in the quarter from 1 May to 31 July 2009, helped by currency movements. Net debt decreased in the quarter and the group completed the disposal of Imaging Solutions, the loss-making wholesale photo-processing labs manufacturing business, on 31 July, it added.Cosalt, which makes safety equipment for oil rig workers and boat crews, has seen a sharp rise in revenues at its oil and gas division in the period from 3 May.Revenues at the offshore division, which covers the oil and gas sectors, rose by 28% to £12.5m. Revenues at Costalt Marine, whose products include life jackets, were steady at £15.5m.During the period the company won a three year contract with BP worth £4.5m a year to supply all lifting equipment to the oil giant and its subcontractors in the North Sea.Half-year profit jumped 31% at Asia focused teaching group, AEC Education, to £403,000 as students signed up for courses to boost their employment prospects.Chairman Liam Swords said trading continues to be strong across all its activities in the Far East, while a major focus in the second half will be the integration of Malvern House in the UK, which AEC bought in July for almost £4m. Oil and gas explorer San Leon has conditionally placed 41.9m shares with institutions and others at 15p each to raise £6.3m.The firm has also signed a seismic services agreement with PGS Ventures, which is subscribing for 13.3m shares at the placing price. San Leon says the money will help fund its exploration and development programme in Morocco, Poland, Italy and the USA.Gulf Keystone Petroleum has appointed Dynamic Global Advisors as an independent consultant to assess discoveries made in its Shaikan-1 well in the Kurdistan region of northern Iraq. 'The board of GKP believes it is a constructive and valuable step to provide investors and other stakeholders with third-party analysis and assessment of the discoveries at this relatively early stage,' said executive chairman Todd Kozel.Shares in Red Rock Resources soared after Jupiter Miner, in which it has a 28% stake, reported positive results from a survey of the Oakover manganese project in the East Pilbara region of Western Australia.Philippines-focused mining exploration company Rusina is to raise £3m through a share placing to provide it with headroom as it develops the Acoje nickel-chromite project on Luzon Island. It will place a total of 57.8m shares to UK-based clients of its broker Mirabaud securities at a price of 5.25p a share. Primary Healthcare Properties (PHP) it to raise gross proceeds of about £60m (approximately £57.5m net of expenses) via a fully underwritten share issue.