Montrose Environmental Group Reports Another Record Quarter, First Half 2025 Results, and Increases Guidance

Second Quarter 2025 Highlights (comparisons to second quarter 2024)

• 35.3% revenue growth to $234.5 million, a $61.2 million increase
• Net income and net income per diluted share attributable to common stockholders (EPS) improved to $18.4 million, or $0.42 EPS, compared to a net loss of $10.2 million, or $0.39 net loss per diluted share attributable to common stockholders (LPS)
• Adjusted Net Income¹ and Diluted Adjusted Net Income per share¹ (Adj EPS) increased to $27.4 million, or $0.63 Adj EPS¹, compared to $10.8 million, or $0.20 Adj EPS¹
• 69.8% Consolidated Adjusted EBITDA¹ growth to $39.6 million, a $16.3 million increase
• 340 basis points (bps) increase in Consolidated Adjusted EBITDA¹ as a percentage of revenue to 16.9%

First Half 2025 Highlights (comparisons to first half 2024)

• 25.5% revenue growth to $412.4 million, an $83.7 million increase
• Improvement in net loss to $1.0 million, or $0.15 LPS, compared to $23.5 million, or $0.91 LPS
• Adjusted Net Income¹ and Adj EPS¹ increased to $32.7 million, or $0.73 Adj EPS¹, compared to $19.3 million, or $0.37 Adj EPS¹
• 45.7% Consolidated Adjusted EBITDA¹ growth to $58.6 million, an $18.4 million increase
• 200 bps increase in Consolidated Adjusted EBITDA¹ as a percentage of revenue to 14.2%
• $48.5 million improvement in operating cash flow to $27.4 million, and 2.5x leverage as of June 30, 2025

Increased Full-Year 2025 Guidance

• Increased expected Consolidated Adjusted EBITDA¹ to a range of $111.0 million to $117.0 million, representing 19% growth at the midpoint compared to full-year 2024
• Increased expected revenue to a range of $795.0 million to $835.0 million, representing 17% growth at the midpoint compared to full-year 2024

Strategic Capital Allocation Highlights

• As announced on July 7, 2025, redeemed remaining $62.2 million of Series A-2 Preferred Stock, simplifying capital structure and eliminating future Series A-2 dividends – six months earlier than expected – due to strong year-to-date results

Montrose Environmental Group, Inc. (the "Company," "Montrose" or "MEG") (NYSE:MEG) is on a mission to help protect the air we breathe, the water we drink, and the soil that feeds us, and aims to enhance environmental stewardship and economic development. Today, the Company announced results for the second quarter and first half periods ended June 30, 2025.

Montrose Chief Executive Officer and Director, Vijay Manthripragada, commented, "Our business continues to perform exceptionally well and client engagement remains at all-time highs. Momentum is strong across all three segments and all lines of business. We are excited to build on our solid first-quarter results with another record period of outstanding performance. This year, we are exceeding our goals for organic revenue and earnings growth, margin expansion, and cash flow, and we have achieved our balance sheet simplification and leverage objectives six months ahead of schedule."

Mr. Manthripragada continued, "I would like to express my sincere gratitude to our ~3,500 colleagues worldwide who continue to deliver remarkable outcomes for our clients and our communities."

Full Year 2025 Outlook

The Company announced an increase in the expected full-year 2025 Consolidated Adjusted EBITDA¹ by $8 million at the midpoint, to a range of $111.0 million to $117.0 million, and the expected full-year 2025 revenue by $45 million at the midpoint, to a range of $795.0 million to $835.0 million. The Consolidated Adjusted EBITDA¹ and revenue outlook does not include any benefit from future acquisitions.

Second Quarter 2025 Results

Revenue in the second quarter of 2025 was $234.5 million compared to $173.3 million in the prior year quarter, an increase of $61.2 million, or 35.3%. This increase was primarily due to incremental revenue from environmental emergency responses of $35.6 million; strong organic revenue growth in all segments totaling $17.1 million; and $9.1 million in contributions from acquisitions. Revenue from environmental emergency responses was $48.5 million in the second quarter of 2025, compared to $12.9 million in the prior year quarter.

In the second quarter of 2025, increased income from operations resulted from strong revenue growth, including organic growth, contributions from acquisitions, and improved margins in all three segments. Net income in the second quarter of 2025 was $18.4 million, or $0.42 EPS, compared to a net loss of $10.2 million, or $0.39 LPS, in the prior year quarter. This $28.5 million year-over-year improvement in net income primarily resulted from revenue growth, including organic growth, margin expansion, and a $10.0 million fair value gain related to the Series A-2 redemption. The $0.81 comparative period increase in EPS was due to strong revenue growth, margin expansion, and the Series A-2 redemption, partially offset by an increase in weighted average diluted common shares outstanding.

In the second quarter of 2025, Adjusted Net Income¹ and Adj EPS¹ were $27.4 million and $0.63, respectively, compared to the prior year quarter Adjusted Net Income¹ and Adj EPS¹ of $10.8 million and $0.20, respectively. Both Adjusted Net Income¹ and Adj EPS¹ increased primarily due to strong revenue growth, margin expansion, and the Series A-2 redemption, with Adj EPS¹ in the current period also benefiting from lower dividends on the then outstanding Series A-2.

Second-quarter 2025 Consolidated Adjusted EBITDA¹ was $39.6 million, compared to $23.3 million in the prior year quarter. The $16.3 million increase in Consolidated Adjusted EBITDA¹ was primarily due to higher revenue, including higher organic growth, and margin expansion in all three segments. Consolidated Adjusted EBITDA¹ as a percentage of revenue increased 340 bps to 16.9% primarily due to significant operating performance improvement across all three segments.

First Six Months 2025 Results

Revenue in the first six months of 2025 was $412.4 million, compared to $328.7 million in the prior year period, an increase of $83.7 million, or 25.5%. This increase was primarily due to incremental revenue from environmental emergency responses of $33.8 million; strong organic revenue growth in all three segments totaling $28.4 million; and $22.5 million in contributions from acquisitions. Revenue from environmental responses was $62.4 million in the first six months of 2025, compared to $28.6 million in the prior year period.

In the first six months of 2025, higher income from operations resulted from strong revenue growth, including organic growth, contributions from acquisitions, operating leverage. Net loss in the first half of 2025 was $1.0 million, or $0.15 LPS, compared to a net loss of $23.5 million, or $0.91 LPS, in the prior year period. This $22.5 million year-over-year improvement in net loss primarily resulted from revenue growth, including strong organic growth, margin expansion, and a $9.7 million fair value gain related to the Series A-2 preferred stock redemption, partially offset by incremental interest and tax expenses. The $0.77 comparative period improvement in LPS primarily resulted from revenue growth, margin expansion, and the Series A-2 redemption, partially offset by an increase in weighted average diluted common shares outstanding.

In the first six months of 2025, Adjusted Net Income¹ and Adj EPS¹ were $32.7 million and $0.73, respectively, compared to the prior year period Adjusted Net Income¹ and Adj EPS¹ of $19.3 million and $0.37, respectively. Both Adjusted Net Income¹ and Adj EPS¹ increased primarily due to strong revenue growth, margin expansion, and the Series A-2 redemption, with Adj EPS¹ in the current period also benefiting from lower dividends on the then outstanding Series A-2.

Consolidated Adjusted EBITDA¹ for the first six months of 2025 was $58.6 million, compared to $40.2 million in the prior year period. The $18.4 million increase in Consolidated Adjusted EBITDA¹ was primarily due to higher revenue in all three segments. Consolidated Adjusted EBITDA¹ as a percentage of revenue increased 200 bps to 14.2% primarily due to strong operating performance in the Measurement & Analysis segment.

Operating Cash Flow, Liquidity and Capital Resources

Net cash provided by operating activities for the six months ended June 30, 2025, was $27.4 million compared to cash used in operating activities of $21.1 million in the prior year period. This $48.5 million improvement was primarily due to an increase in earnings before non-cash items of $22.5 million and improved working capital performance with a $21.9 million reduction in cash outflow. Cash flow in full-year 2025 is expected to increase significantly versus the prior year.

As of June 30, 2025, Montrose's leverage ratio under the 2025 Credit Facility was 2.5x. As of June 30, 2025 Montrose had $242.8 million of available liquidity, including $10.5 million of cash and $232.3 million of availability on its revolving line of credit.

On July 1, 2025, the Company voluntarily fully redeemed all remaining issued and outstanding shares of Series A-2 held by an affiliate of Oaktree Capital. The Company used cash on hand and borrowings under its 2025 Credit Facility to redeem the outstanding stated value of Series A-2 Preferred Stock of $62.2 million and to pay $1.4 million of accrued and unpaid dividends thereon through the redemption date. Giving pro forma effect for the final redemption payment, the Company's leverage ratio was 2.99x.

Webcast and Conference Call

The Company will host a webcast and conference call on Thursday, August 7, 2025, at 8:30 a.m. Eastern Time to discuss second quarter results. A question-and-answer session will follow the prepared remarks. A live webcast of the conference call will be available in the Investors section of the Montrose website at www.montrose-env.com. Alternatively, to participate in the live call, dial (800) 715-9871 (toll-free in North America) or +1 (646) 307-1963 (international) approximately ten minutes before the scheduled start. When prompted, please provide the Conference ID: 8690520 to join the Montrose Second Quarter 2025 Earnings Conference Call. For those unable to listen to the live broadcast, an audio replay of the conference call will be available on the Montrose website for 30 days.

About Montrose

Montrose is a leading environmental solutions company focused on supporting commercial and government organizations as they deal with the challenges of today and prepare for what's coming tomorrow. With ~3,500 employees across 120 locations worldwide, Montrose combines deep local knowledge with an integrated approach to design, engineering, and operations, enabling Montrose to respond effectively and efficiently to the unique requirements of each project. From comprehensive air measurement and laboratory services to regulatory compliance, environmental emergency response, permitting, engineering, and remediation, Montrose delivers innovative and practical solutions that keep its clients on top of their immediate needs – and well ahead of the strategic curve. For more information, visit www.montrose-env.com.

Forward‐Looking Statements

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking statements may be identified by the use of words such as "intend," "expect", and "may", and other similar expressions that predict or indicate future events or that are not statements of historical matters. Forward-looking statements are based on current information available at the time the statements are made and on management's reasonable belief or expectations with respect to future events, and are subject to risks and uncertainties, many of which are beyond the Company's control, that could cause actual performance or results to differ materially from the belief or expectations expressed in or suggested by the forward-looking statements. Additional factors or events that could cause actual results to differ may also emerge from time to time, and it is not possible for the Company to predict all of them. Forward-looking statements speak only as of the date on which they are made, and the Company undertakes no obligation to update any forward-looking statement to reflect future events, developments or otherwise, except as may be required by applicable law. Investors are referred to the Company's filings with the Securities and Exchange Commission, including its Annual Report on Form 10-K for the year ended December 31, 2024 as supplemented by its Quarterly Report on Form 10-Q for the quarter ended March 31, 2025, for additional information regarding the risks and uncertainties that may cause actual results to differ materially from those expressed in any forward-looking statement.

Non-GAAP Financial Information

In addition to our results under GAAP, in this release we also present certain other supplemental financial measures of financial performance that are not required by, or presented in accordance with, GAAP, including, Consolidated Adjusted EBITDA, Adjusted Net Income and Basic and Diluted Adj EPS. We calculate Consolidated Adjusted EBITDA as net income (loss) before interest expense, income tax expense (benefit) and depreciation and amortization, adjusted for the impact of certain other items, including stock-based compensation expense and acquisition-related costs, as set forth in greater detail in the table below. We calculate Adjusted Net Income as net income (loss) before amortization of intangible assets, stock-based compensation expense, fair value changes to financial instruments and contingent earnouts, discontinued specialty lab, and other gain or losses, as set forth in greater detail in the table below. Basic and Diluted Adj EPS represents Adjusted Net Income attributable to stockholders divided by the fully diluted number of shares of common stock outstanding during the applicable period.

Consolidated Adjusted EBITDA is one of the primary metrics used by management to evaluate our financial performance and compare it to that of our peers, evaluate the effectiveness of our business strategies, make budgeting and capital allocation decisions and in connection with our executive incentive compensation. Adjusted Net Income and Basic and Diluted Adj EPS are useful metrics to evaluate ongoing business performance after interest and tax. These measures are also frequently used by analysts, investors and other interested parties to evaluate companies in our industry. Further, we believe they are helpful in highlighting trends in our operating results because they allow for more consistent comparisons of financial performance between periods by excluding gains and losses that are non-operational in nature or outside the control of management, and, in the case of Consolidated Adjusted EBITDA, by excluding items that may differ significantly depending on long-term strategic decisions regarding capital structure, the tax jurisdictions in which we operate and capital investments.

These non-GAAP measures do, however, have certain limitations and should not be considered as an alternative to net income (loss), earnings (loss) per share or any other performance measure derived in accordance with GAAP. Our presentation of Consolidated Adjusted EBITDA, Adjusted Net Income and Basic and Diluted Adj EPS should not be construed as an inference that our future results will be unaffected by unusual or non-recurring items for which we may make adjustments. In addition, Consolidated Adjusted EBITDA, Adjusted Net Income and Basic and Diluted Adj EPS may not be comparable to similarly titled measures used by other companies in our industry or across different industries, and other companies may not present these or similar measures. Management compensates for these limitations by using these measures as supplemental financial metrics and in conjunction with our results prepared in accordance with GAAP. We encourage investors and others to review our financial information in its entirety, not to rely on any single measure and to view Consolidated Adjusted EBITDA, Adjusted Net Income and Basic and Diluted Adj EPS in conjunction with the related GAAP measures.

Additionally, we have provided estimates regarding Consolidated Adjusted EBITDA for 2025. These projections account for estimates of revenue, operating margins and corporate and other costs. However, we cannot reconcile our projection of Consolidated Adjusted EBITDA to net income (loss), the most directly comparable GAAP measure, without unreasonable efforts because of the unpredictable or unknown nature of certain significant items excluded from Consolidated Adjusted EBITDA and the resulting difficulty in quantifying the amounts thereof that are necessary to estimate net income (loss). Specifically, we are unable to estimate for the future impact of certain items, including income tax (expense) benefit, stock-based compensation expense, fair value changes and the accounting for the Series A-2 Preferred Stock. We expect the variability of these items could have a significant impact on our reported GAAP financial results.

In this release we also reference our organic growth. We define organic growth as the change in revenues excluding revenues from i) our environmental emergency response business, ii) acquisitions for the first twelve months following the date of acquisition, and iii) businesses held for sale, disposed of or discontinued. Management uses organic growth as one of the means by which it assesses our results of operations. Organic growth is not, however, a measure of revenue growth calculated in accordance with U.S. generally accepted accounting principles, or GAAP, and should be considered in conjunction with revenue growth calculated in accordance with GAAP. We have grown organically over the long term and expect to continue to do so.

In a given reporting period, when we refer to revenue changes driven by acquisitions, we are referring to the revenue contribution from any acquisition from its closing date through the first 12 months of that acquisition, at which point any subsequent contribution therefrom would be organic.

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