Waste Connections to Announce Third Quarter Earnings on October 22

Date: October 1, 2007

Source: Waste Connections, Inc.

Waste Connections Announces Dates for Third Quarter 2007 Earnings Release and Upcoming Investor Presentation

Waste Connections, Inc. (NYSE: WCN) announced that it will report financial results for the third quarter of 2007 after the close of the stock market on October 22, 2007. The Company will be hosting an investor conference call related to this release on October 23rd at 8:30 A.M. Eastern Time.

To access the call, listeners should dial 800-591-6923 (domestic) or 617-614-4907 (international) approximately 10 minutes prior to the scheduled start time and ask the operator for the Waste Connections conference call, Passcode # 20401062. A replay of the conference call will be available until October 29, 2007, by calling 888-286-8010 (domestic) or 617-801-6888 (international) and entering Passcode # 77944659.

The call also will be broadcast live over the Internet at www.streetevents.com or through a link on our website at www.wasteconnections.com. 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 www.wasteconnections.com 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 event during the fourth quarter of 2007:

November 27th 2007 FBR Capital Markets Investor Conference (New York) Although this presentation is 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 23 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.

For more information, visit: www.wasteconnections.com.

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