Laredo Petroleum, an independent energy firm focused on the exploration and production of oil and natural gas in the Texas Panhandle and Western Oklahoma, filed on Wednesday with the SEC to raise up to $450 million in an initial public offering. The Tulsa, OK-based company, which was founded in 2006 and is backed by private equity firm Warburg Pincus, generated $384 million in revenues for the 12 months ended June 30, 2011 and an adjusted EBITDA margin of 79.4%. The company plans to list on the NYSE under the symbol LPI and has selected J.P. Morgan, Goldman Sachs and BofA Merrill Lynch as the lead underwriters on the deal. Terms and timing have yet to be disclosed.
