EXHIBIT 10.21 IRREVOCABLE STOCK PROXY AGREEMENT This Irrevocable Stock Proxy Agreement ("Agreement") is made and entered into this 5th day of May, 1999 by and between Phoenix Energy Group Inc., a Texas Corporation ("Phoenix"), 530 Wells Fargo Drive,...Irrevocable Stock Proxy Agreement • May 24th, 1999 • Arxa International Energy Inc • Agricultural prod-livestock & animal specialties • Mississippi
