EX-99 2 a6-8ex99.txt EXHIBIT 1 Exhibit 1 --------- JOINT FILING AGREEMENT This will confirm the agreement by and among all the undersigned that the amendment to Schedule 13D filed on or about this date and any amendments thereto with respect to beneficial ownership by the undersigned of shares of the common stock, par value $1 per share, of Pogo Producing Company is being filed on behalf of each of the undersigned in accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934. This agreement may be executed in counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. Dated: June 4, 2001 Frederick A. Klingenstein ---------------------------------------- Frederick A. Klingenstein John Klingenstein ---------------------------------------- John Klingenstein