Waste Connections Hauls in 43 Percent Increase in 1Q Earnings

Date: April 23, 2007

Source: Waste Connections, Inc.

Waste Connections Reports First Quarter 2007 Results

- Reports revenue of $219.0 million and earnings per share of $0.32

- Revenue and operating income increase 15.1% and 18.6%, respectively

- Reports internal growth of 8.7%

- Reports free cash flow of $24.9 million, or 11.4% of revenue

Waste Connections, Inc. (NYSE: WCN) today announced its results for the first quarter 2007. Revenue totaled $219.0 million, a 15.1% increase over revenue of $190.2 million in the year ago period. Operating income was $46.4 million, an 18.6% increase over operating income of $39.2 million in the first quarter of 2006. As a percentage of revenue, operating income was 21.2%, a 60 basis point increase from 20.6% in the year ago period despite an approximate 45 basis point increase in equity-based compensation costs as a percentage of revenue. Equity-based compensation costs, on a pre-tax basis, were $1.7 million and $0.6 million for the first quarter of 2007 and 2006, respectively.

Net income in the quarter was $22.4 million, or $0.32 per share on a diluted basis of 70.6 million shares. In the year ago period, the Company reported net income of $15.7 million and diluted earnings per share of $0.22. Net income in the prior year period included a $4.2 million charge ($2.6 million net of taxes, or approximately $0.04 per share) for the write-off of unamortized debt issuance costs associated with convertible notes that subsequently were redeemed. Shares and per share numbers reflect a three-for- two stock split effective March 13, 2007.

"We are extremely pleased with our results in the quarter and the implications moving forward. Continued strong pricing growth, improved commodity prices and a reduction in net days sales outstanding enabled us to exceed our expectations for the quarter," said Ronald J. Mittelstaedt, Chairman and Chief Executive Officer. "We expect volume growth to increase in the second quarter given improving monthly trends experienced during the first quarter and the full impact of two long-term contracts that commenced earlier in the year."

Waste Connections will be hosting a conference call related to first quarter earnings and second quarter outlook on April 24th at 8:30 A.M. Eastern Time. The call will be broadcast live over the Internet at www.streetevents.com and through a link on the Company's web site at www.wasteconnections.com. A playback of the call will be available at both of these sites.

For non-GAAP measures, see accompanying Non-GAAP Reconciliation Schedule.

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.

For more information, visit the Waste Connections web site at www.wasteconnections.com. Copies of financial literature, including this release, are available on the Waste Connections web site or through contacting us directly at (916) 608-8200.

Certain statements contained in this press release are forward-looking in nature. These statements can be identified by the use of forward-looking terminology such as "believes," "expects," "may," "will," "should," "anticipates," or the negative thereof or comparable terminology, or by discussions of strategy. Waste Connections' business and operations are subject to a variety of risks and uncertainties and, consequently, actual results may differ materially from those projected by any forward-looking statements. Factors that could cause actual results to differ from those projected include, but are not limited to, the following: (1) Waste Connections may be unable to compete effectively with larger and better capitalized companies and governmental service providers; (2) increases in the price of fuel may adversely affect Waste Connections' business and reduce its operating margins; (3) increases in labor and disposal and related transportation costs could impact Waste Connections' financial results; (4) increases in insurance costs and the amount that Waste Connections self- insures for various risks could reduce its operating margins and reported earnings; (5) Waste Connections' financial results are based upon estimates and assumptions that may differ from actual results; (6) efforts by labor unions could divert management attention and adversely affect operating results; (7) Waste Connections may lose contracts through competitive bidding, early termination or governmental action; (8) Waste Connections' results are vulnerable to economic conditions and seasonal factors affecting the regions in which it operates; (9) Waste Connections may be subject in the normal course of business to judicial and administrative proceedings that could interrupt its operations, require expensive remediation and create negative publicity; (10) competition for acquisition candidates, consolidation within the waste industry and economic and market conditions may limit Waste Connections' ability to grow through acquisitions; (11) Waste Connections' growth and future financial performance depend significantly on its ability to integrate acquired businesses into its organization and operations; (12) Waste Connections' acquisitions may not be successful, resulting in changes in strategy, operating losses or a loss on sale of the business acquired; (13) because Waste Connections depends on railroads for its intermodal operations, its operating results and financial condition are likely to be adversely affected by any reduction or deterioration in rail service; (14) Waste Connections' intermodal business could be adversely affected by steamship lines diverting business to ports other than those Waste Connections services, or by heightened security measures or actual or threatened terrorist attacks; (15) Waste Connections depends significantly on the services of the members of its senior and district management team, and the departure of any of those persons could cause its operating results to suffer; (16) Waste Connections' decentralized decision-making structure could allow local managers to make decisions that adversely affect Waste Connections' operating results; (17) Waste Connections may incur additional charges related to capitalized expenditures, which would decrease its earnings; (18) the outcome of audits by the Internal Revenue Service may adversely affect Waste Connections; (19) each business that Waste Connections acquires or has acquired may have liabilities that Waste Connections fails or is unable to discover, including environmental liabilities; (20) liabilities for environmental damage may adversely affect Waste Connections' business and earnings; and (21) the adoption of new accounting standards or interpretations could adversely impact Waste Connections' financial results. These risks and uncertainties, as well as others, are discussed in greater detail in Waste Connections' filings with the Securities and Exchange Commission, including its most recent Annual Report on Form 10-K. There may be additional risks of which Waste Connections is not presently aware or that it currently believes are immaterial which could have an adverse impact on its business. Waste Connections makes no commitment to revise or update any forward-looking statements in order to reflect events or circumstances that may change.


                           WASTE CONNECTIONS, INC.
                      CONSOLIDATED STATEMENTS OF INCOME
                  THREE MONTHS ENDED MARCH 31, 2006 AND 2007
                                 (Unaudited)
              (in thousands, except share and per share amounts)

                                                     Three months ended
                                                           March 31,
                                                      2006           2007

    Revenues                                        $190,169       $218,951
    Operating expenses:
      Cost of operations                             113,063        128,869
      Selling, general and administrative             19,801         23,910
      Depreciation and amortization                   18,232         19,590
      Loss (gain) on disposal of assets                  (82)           160
    Operating income                                  39,155         46,422

    Interest expense                                  (7,494)        (7,818)
    Minority interests                                (2,711)        (2,840)
    Other income (expense), net                       (3,993)            51
    Income before income taxes                        24,957         35,815

    Income tax provision                              (9,234)       (13,435)
    Net income                                       $15,723        $22,380

    Basic earnings per common share                    $0.23          $0.33

    Diluted earnings per common share                  $0.22          $0.32

    Shares used in the per share calculations:
      Basic                                       68,504,318     68,465,359
      Diluted                                     71,385,714     70,583,096


                           WASTE CONNECTIONS, INC.
                    CONDENSED CONSOLIDATED BALANCE SHEETS
                                 (Unaudited)
              (in thousands, except share and per share amounts)

                                                  December 31,     March 31,
                                                      2006           2007
    ASSETS
    Current assets:
      Cash and equivalents                           $34,949        $21,264
      Accounts receivable, net of allowance for
       doubtful accounts of $3,489 and $3,492 at
       December 31, 2006 and March 31, 2007,
       respectively                                  100,269        104,082
    Deferred income taxes                              9,373          9,494
    Prepaid expenses and other current assets         15,642         17,383
        Total current assets                         160,233        152,223

    Property and equipment, net                      736,428        783,048
    Goodwill                                         750,397        761,454
    Intangible assets, net                            86,098         85,764
    Restricted assets                                 15,917         16,606
    Other assets, net                                 24,818         22,196
                                                  $1,773,891     $1,821,291

    LIABILITIES AND STOCKHOLDERS' EQUITY
    Current liabilities:
      Accounts payable                               $53,010        $53,189
      Accrued liabilities                             57,810         64,806
      Deferred revenue                                32,161         36,228
      Current portion of long-term debt and
       notes payable                                   6,884          7,098
        Total current liabilities                    149,865        161,321

    Long-term debt and notes payable                 637,308        636,463
    Other long-term liabilities                       16,712         26,890
    Deferred income taxes                            205,532        204,158
        Total liabilities                          1,009,417      1,028,832

    Commitments and contingencies
    Minority interests                                27,992         28,480

    Stockholders' equity:
    Preferred stock: $0.01 par value; 7,500,000
     shares authorized; none issued and outstanding       --             --
    Common stock: $0.01 par value; 100,000,000
     shares authorized; 68,266,038 and 68,556,329
     shares issued and outstanding at December 31,
     2006 and March 31, 2007, respectively               455            685
    Additional paid-in capital                       310,229        313,861
    Retained earnings                                422,731        447,782
    Accumulated other comprehensive income             3,067          1,651
      Total stockholders' equity                     736,482        763,979
                                                  $1,773,891     $1,821,291


                           WASTE CONNECTIONS, INC.
               CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
                  THREE MONTHS ENDED MARCH 31, 2006 AND 2007
                                 (Unaudited)
                            (Dollars in thousands)

                                                     Three months ended
                                                           March 31,
                                                        2006           2007

    Cash flows from operating activities:
    Net income                                       $15,723        $22,380
    Adjustments to reconcile net income to
     net cash provided by operating activities:
      Loss (gain) on disposal of assets                  (82)           160
      Depreciation                                    17,248         18,558
      Amortization of intangibles                        984          1,032
      Deferred income taxes, net of acquisitions       3,679          2,852
      Minority interests                               2,711          2,840
      Amortization of debt issuance costs              4,763            482
      Stock-based compensation                           618          1,663
      Interest income on restricted assets              (141)          (107)
      Closure and post-closure accretion                 149            253
      Excess tax benefit associated with
       equity-based compensation                      (3,353)        (2,260)
      Net change in operating assets and
       liabilities, net of acquisitions               (4,443)        13,061
    Net cash provided by operating activities         37,856         60,914

    Cash flows from investing activities:
      Payments for acquisitions, net of cash
       acquired                                       (3,755)       (35,860)
      Capital expenditures for property and
       equipment                                     (19,966)       (36,147)
      Proceeds from disposal of assets                   171            215
      Increase in restricted assets, net of
       interest income                                  (276)          (581)
      Increase in other assets                          (392)          (517)
    Net cash used in investing activities            (24,218)       (72,890)

    Cash flows from financing activities:
      Proceeds from long-term debt                   229,964         21,000
      Principal payments on notes payable and
       long-term debt                               (173,349)       (23,616)
      Change in book overdraft                        (1,683)            --
      Proceeds from option and warrant exercises      17,361          6,513
      Excess tax benefit associated with
       equity-based compensation                       3,353          2,260
      Distributions to minority interest holders      (2,058)        (2,352)
      Payments for repurchase of common stock        (80,586)        (5,414)
      Debt issuance costs                             (6,307)          (100)
    Net cash used in financing activities            (13,305)        (1,709)

    Net increase (decrease) in cash and equivalents      333        (13,685)
    Cash and equivalents at beginning of period        7,514         34,949
    Cash and equivalents at end of period             $7,847        $21,264


                            ADDITIONAL STATISTICS
                      THREE MONTHS ENDED MARCH 31, 2007
                            (Dollars in thousands)

Internal Growth: The following table reflects revenue growth for operations owned for at least 12 months:

                                                 Three Months Ended
                                                   March 31, 2007
            Price                                       5.2%
            Volume                                      1.9%
            Intermodal, Recycling and Other             1.6%
            Total                                       8.7%

    Uneliminated Revenue Breakdown:

                                                       Three Months Ended
                                                         March 31, 2007
            Collection                              $160,152          64.3%
            Disposal and Transfer                     66,641          26.8%
            Intermodal, Recycling and Other           22,224           8.9%
            Total                                   $249,017         100.0%

            Inter-company elimination                $30,066

Days Sales Outstanding for the three months ended March 31, 2007: 43 (28 net of deferred revenue)


    Internalization for the three months ended March 31, 2007:  70%


    Other Cash Flow Items for the three months ended March 31, 2007:

      Cash Interest Paid:     $5,156
      Cash Taxes Paid:        $632


    Debt to Capitalization: 45.7%

    Share Information for the three months ended March 31, 2007:

            Basic shares outstanding                  68,465,359
            Dilutive effect of options and warrants    1,833,779
            Dilutive effect of restricted stock          283,958
            Diluted shares outstanding                70,583,096

            Shares repurchased                           187,540


                       NON-GAAP RECONCILIATION SCHEDULE
                                (in thousands)

Free cash flow, a non-GAAP financial measure, is provided supplementally because it is widely used by investors as a valuation and liquidity measure in the solid waste industry. Waste Connections defines free cash flow as net cash provided by operating activities, plus proceeds from disposal of assets and excess tax benefit associated with equity-based compensation, plus or minus change in book overdraft, less capital expenditures for property and equipment and distributions to minority interest holders. This measure is not a substitute for, and should be used in conjunction with, GAAP financial measures. Management uses free cash flow as one of the principal measures to evaluate and monitor the ongoing financial performance of our operations. Other companies may calculate free cash flow differently.

    Free cash flow reconciliation:

                                                  Three Months   Three Months
                                                     Ended          Ended
                                                    March 31,      March 31,

                                                        2006           2007
    Net cash provided by operating activities        $37,856        $60,914
    Change in book overdraft                          (1,683)            --
    Plus: Proceeds from disposal of assets               171            215
    Plus: Excess tax benefit associated with
     equity-based compensation                         3,353          2,260
    Less: Capital expenditures for property and
     equipment                                       (19,966)       (36,147)
    Less: Distributions to minority interest
     holders                                         (2,058)        (2,352)
    Free cash flow                                   $17,673        $24,890

    Free cash flow as % of revenues                      9.3%          11.4%

For more information, contact:
Worthing Jackman
Waste Connections, Inc.
916-608-8266
worthingj@wasteconnections.com.
www.wcnx.org.

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