senior notes offering and redemption of certain of its existing notes

equity and debt investment in

modified Dutch auction tender offer to repurchase its common stock

senior secured notes offering and asset-based revolving credit facility

private exchange offers and consent solicitations for notes issued by Concho Resources in connection with its acquisition of

senior notes offering

cash tender offer for certain of its outstanding senior notes

PSEG private exchange offer and consent solicitation for notes issued by

tender offer

A/B exchange offer

initial public offering

amendment and extension of its credit agreement