1 Exhibit 1 JOINT FILING AGREEMENT We, the signatories of the statement on Schedule 13D to which this Agreement is attached, hereby agree as of May 17, 1999 that such statement is, and any amendments thereto filed by any of us will be, filed on behalf...Joint Filing Agreement • May 17th, 1999 • Yorktown Partners LLC • Oil & gas field services, nec
JOINT FILING AGREEMENTJoint Filing Agreement • September 26th, 2002 • Yorktown Partners LLC • Crude petroleum & natural gas
The parties hereto agree that pursuant to Rule 13d-1(k) of Regulation 13D-G promulgated by the Securities and Exchange Commission pursuant to the Securities Exchange Act of 1934, as amended, the Schedule 13G of which this Agreement is made an exhibit is filed on behalf of them in the capacity set forth below. The parties hereto agree that, once this Schedule 13G is fully executed by all parties, Robert Signorino shall be authorized to file this Schedule 13G on behalf of all such parties and shall be designated as the person authorized to receive notices and communications with respect to the Schedule 13G and any amendments thereto.
