Privately owned Antero Resources Corp., Denver, has secured a $1-billion line-of-equity funding led by private-equity firm Warburg Pincus and including Yorktown Energy Partners VII LP, Lehman Brothers Merchant Banking Group and the Antero management team. Rady says, "We are very pleased to continue our partnership with Warburg Pincus, Yorktown Energy Partners and Lehman Brothers Merchant Banking in one of the largest private-equity commitments ever made in the exploration and production sector. The Antero management team has worked together for many years and has had outstanding success at finding and developing natural gas reserves in the Midcontinent and Rocky Mountain regions."