News Releases

Waste Connections Announces Dates for Fourth Quarter 2006 Earnings Release and Upcoming Investor Presentations
FOLSOM, Calif.

Waste Connections, Inc. announced that it will report financial results for the fourth quarter of 2006 and provide an outlook for 2007 after the close of the stock market on February 12, 2007. The Company will be hosting an investor conference call related to this release on February 13th at 8:30 A.M. Eastern Time.

To access the call, listeners should dial 866-825-3354 (domestic) or 617-213-8063 (international) approximately 10 minutes prior to the scheduled start time and ask the operator for the Waste Connections conference call, Passcode # 55517987. A replay of the conference call will be available until February 20, 2007, by calling 888-286-8010 (domestic) or 617-801-6888 (international) and entering Passcode # 99549010.

The call also will be broadcast live over the Internet at or through a link on our web site at . A playback of the call will be available at both of these websites. Copies of financial literature, including this release, are available on the Waste Connections web site at or through contacting us directly at 916-608-8200.

Waste Connections also announced that executives of the Company currently plan on attending and presenting at the following events during the first quarter of 2007:

  March 5th       Raymond James Institutional Investors Conference (Orlando)
  March 6th       Citigroup Global Industrial Mfg. Conference (New York)
  March 13th      Citigroup Small & Mid-Cap Conference (Las Vegas)
  March 15th      Institutional Investor Day (Corporate Headquarters
                  -- Folsom, CA)

Although these presentations are not expected to include any material non-public information, the Company will post the presentation slides on its web site. The slides will be posted some time during the 24-hour period prior to the scheduled presentation time and may be accessed via the Investor Relations section of the Company's corporate web site. The Institutional Investor Day will be broadcast live over the Internet through a link on our web site at .

Waste Connections, Inc. is an integrated solid waste services company that provides solid waste collection, transfer, disposal and recycling services in mostly secondary markets in the Western and Southern U.S. The Company serves more than one million residential, commercial and industrial customers from a network of operations in 22 states. The Company also provides intermodal services for the movement of containers in the Pacific Northwest. Waste Connections, Inc. was founded in September 1997 and is headquartered in Folsom, California.

SOURCE: Waste Connections, Inc.

CONTACT: Worthing Jackman of Waste Connections, Inc., +1-916-608-8266,