This excerpt taken from the BP F-3ASR filed Mar 13, 2009.
From time to time, BP Capital Markets p.l.c., a public company organized under the laws of England and Wales (the Company), may enter into one or more purchase agreements that provide for the sale of designated securities to the purchaser or purchasers named therein (each a Purchaser). The standard provisions set forth herein may be incorporated by reference in any such purchase agreement (each a Purchase Agreement). The Purchase Agreement relating to any particular sale of Offered Securities, including the provisions incorporated therein by reference, is herein referred to as this Agreement. Unless otherwise defined herein, terms defined in such Purchase Agreement are used herein as therein defined.