Corporate Information EXECUTIVE OFFICERS BOARD OF DIRECTORS Ronald J. Mittelstaedt Chairman and Chief Executive Officer Steven F. Bouck President Ronald J. Mittelstaedt Chairman and Chief Executive Officer Robert H. Davis President/Chief Executive Officer and Director - GreenMan Te c h n o l o g i e s , In c . - A t i r e s h r e d d i n g a n d r e c y c l i n g c o m p a n y. Eugene V. Dupreau Western Regional Vice President Darrell W. Chambliss Executive Vice President and Chief Operating Officer Robert D. Evans Executive Vice President, General Counsel and Secretary Michael W. Harlan Executive Vice President and Chief Operating Officer -  U.S. Concrete, Inc. - A producer of ready-mixed concrete and related products. Worthing F. Jackman Executive Vice President and Chief Financial Officer Kenneth O. Rose Senior Vice President - Administration  William J. Razzouk Principal - WJR Advisors and WJR Ventures -  Management consulting and investment firms. David G. Eddie Vice President - Corporate Controller David M. Hall Vice President - Business Development Eric O. Hansen Vice President - Chief Information Officer Jerri L. Hunt Vice President - Human Resources James M. Little Vice President - Engineering COMPANY OFFICES 35 Iron Point Circle Suite 200 Folsom, CA 95630 Telephone: (916) 608-8200 INVESTOR RELATIONS Worthing Jackman Telephone: (916) 608-8266 Fax: (916) 608-8291 e-mail: worthingj@wasteconnections.com Additional copies of this report, Form 10-K,  the Proxy Statement or other financial information  are available to stockholders without charge  by contacting our Investor Relations Department. You may also contact us by visiting the Investor Relations page on the Company’s Web site at www.wasteconnections.com. TRANSFER AGENT & REGISTRAR Wells Fargo Shareowner Services 161 North Concord Exchange South St Paul, MN 55075 Telephone: (800) 468-9716 Web site: www.wellsfargo.com/com/shareowner_services STOCK MARKET INFORMATION Waste Connections’ common stock is traded  on the New York Stock Exchange under the  ticker symbol WCN. ANNUAL MEETING Stockholders are invited to attend our annual meeting of stockholders on May 25, 2005, at 10:00 a.m. at the Sacramento Marriott  Rancho Cordova, 11211 Point East Drive,  Rancho Cordova, California 95742. REGION OFFICERS WESTERN REGION Eugene Dupreau,  Regional Vice President Barry Peck,  Regional Controller PACIFIC NORTHWEST REGION Eric Merrill,  Regional Vice President Brent Ditton,  Regional Controller CENTRAL REGION Phil Rivard,  Regional Vice President Randy Baham,  Regional Controller EASTERN REGION Rob Nielsen,  Regional Vice President Blake Rhodes,  Regional Controller