4 2003-06-09 0 0001057058 WASTE CONNECTIONS INC/DE WCN 0001064299 MITTELSTAEDT RONALD J 1 1 0 0 Chairman, President, CEO Range Forward Purchase Agreement (obligation to sell) 0 2003-06-09 4 J 0 1 0 A 2007-06-11 2007-06-11 Common Stock 60000 1 I By Mittelstaedt Enterprises, L.P. The zeros in the above table are placeholders only that are required by the EDGAR software and should be disregarded. On June 9, 2003, Mittelstaedt Enterprises, L.P. ("Enterprises"), a partnership controlled by the reporting person, entered into a range forward purchase agreement (the "Agreement") with an unaffiliated third party (the "Buyer"), under which Enterprises agreed to deliver 60,000 shares of Common Stock to the Buyer on June 11, 2007 (the "Maturity Date"). Enterprises pledged 60,000 shares of Common Stock to the Buyer to secure its obligations under the Agreement. The price per Share (the "Purchase Price") to be paid by the Buyer on the Maturity Date will depend on the closing price of the Common Stock on that date (the "Maturity Price"). If the Maturity Price is less than or equal to $26.82, the Purchase Price will be $26.82. If the Maturity Price is greater than or equal to $43.63, the Purchase Price will be $43.63. If the Maturity Price is greater than $26.82 but less than $43.63, the Purchase Price will be the Maturity Price. /s/ Ronald J. Mittelstaedt 2003-06-11