Exhibit 10(aa) ASSET PURCHASE AND SALE AGREEMENT THIS AGREEMENT made as of the 4th day of May, 2001. BETWEEN:Asset Purchase Agreement • May 21st, 2001 • Beard Co /Ok • Industrial inorganic chemicals • Texas
Contract Type FiledMay 21st, 2001 Company Industry Jurisdiction
Exhibit 10(z) ASSET PURCHASE AND SALE AGREEMENT THIS AGREEMENT made as of the 4th, of May, 2001. AMONG:Asset Purchase and Sale Agreement • May 21st, 2001 • Beard Co /Ok • Industrial inorganic chemicals
Contract Type FiledMay 21st, 2001 Company Industry
AMENDED LETTER LOAN AGREEMENTLetter Loan Agreement • May 21st, 2001 • Beard Co /Ok • Industrial inorganic chemicals
Contract Type FiledMay 21st, 2001 Company Industry