News Releases

Waste Connections Announces Dates for First Quarter 2007 Earnings Release and Upcoming Investor Presentations
FOLSOM, Calif.

Waste Connections, Inc. announced that it will report financial results for the first quarter of 2007 after the close of the stock market on April 23, 2007. The Company will be hosting an investor conference call related to this release on April 24th at 8:30 A.M. Eastern Time.

To access the call, listeners should dial 800-659-2056 (domestic) or 617-614-2714 (international) approximately 10 minutes prior to the scheduled start time and ask the operator for the Waste Connections conference call, Passcode # 33776567. A replay of the conference call will be available until May 1, 2007, by calling 888-286-8010 (domestic) or 617-801-6888 (international) and entering Passcode # 15110004.

The call also will be broadcast live over the Internet at or through a link on our website 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 website 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 second quarter of 2007:

    May 16th        Annual Meeting of Stockholders (Sacramento)
    June 11th       JPMorgan Basics & Industrials Conference (New York)

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. The slides may be accessed via the Investor Relations section of the Company's corporate website.

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,