November 17, 2010

Effective November 17, 2010, Central Energy LLC became the majority owner of CENTRAL ENERGY GP LLC (F/K/A "Rio Vista GP LLC"), the general partner ("GP") of CENTRAL ENERGY PARTNERS LP (F/K/A "Rio Vista Energy Partners LP").

Purchase and Sale Agreement Completed

On November 17, 2010, Central Energy Partners LP (F/K/A Rio Vista Energy Partners LP ("Rio Vista")), Penn Octane Corporation ("Penn Octane") and Central Energy LLC ("Central Energy") completed the transactions associated with the purchase and sale agreement dated May 25, 2010, as amended ("Agreement").