Oct 8 (Reuters) - Laredo Petroleum Holdings Inc :
* Announces the launch of secondary public offering
* Says secondary offering 12.5 million common shares
Laredo Petroleum Holdings, Inc., a Delaware corporation (NYSE: LPI)(the "Company" or "Laredo Petroleum"), announced today the commencement of an underwritten secondary public offering of 12,500,000 shares of its common stock by affiliates of Warburg Pincus LLC, the selling stockholders. In addition, the underwriters will have a 30-day option to purchase up to 1,875,000 additional shares from the selling stockholders.
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