7/24 BP BP to Begin Negotiations With Rosneft for TNK-BP Purchase http://www.bp.com/genericarticle.do?categoryId=2012968&contentId=7076340
7/25 Shell Shell signs new Upstream deals with CNOOC and CNPC http://www.shell.com/home/content/media/news_and_media_releases/2012/upstream_deals_cnooc_and_cnpc_25072012.html
7/26 ExxonMobil Exxon Mobil Corporation Announces Estimated Second Quarter 2012 Results http://news.exxonmobil.com/press-release/exxon-mobil-corporation-announces-estimated-second-quarter-2012-results
7/26 Shell Second quarter 2012 results and interim dividend announcement http://www.shell.com/home/content/investor/news_and_library/2012_media_releases/q2_2012_results_newsitem_26072012.html