NASDAQ: ERII

Sidoti & Co Virtual

Small-Cap Conference

Energy Recovery Presentation - January 19, 2022

James Siccardi, VP Investor Relations

Forward Looking Statements

This presentation contains forward-looking statements within the "Safe Harbor" provisions of the Private

Securities Litigation Reform Act of 1995. Forward-looking statements in this report include, but are not limited to, statements about our expectations, objectives, anticipations, plans, hopes, beliefs, intentions, or strategies regarding the future. Forward-looking statements that represent our current expectations about future events are based on assumptions and involve risks and uncertainties. If the risks or uncertainties occur or the assumptions prove incorrect, then our results may differ materially from those set forth or implied by the forward-looking statements. Our forward-looking statements are not guarantees of future performance or events. Words such as "expects," "anticipates," "believes," "estimates," variations of such words, and similar expressions are also intended to identify such forward-looking statements.

These forward-looking statements are subject to risks, uncertainties, and assumptions that are difficult to predict; therefore, actual results may differ materially and adversely from those expressed in any forward- looking statements. You should not place undue reliance on these forward-looking statements, which reflect management's opinions only as of the date of this presentation. All forward-looking statements included in this presentation are subject to certain risks and uncertainties, which could cause actual results to differ materially from those projected in the forward-looking statements, as disclosed from time to time in our reports on Forms 10-K,10-Q, and 8-K as well as in our Annual Reports to Stockholders and, if necessary, updated in our quarterly reports on Form 10 Q or in other filings. We assume no obligation to update any such forward-looking statements. It is important to note that our actual results could differ materially from the results set forth or implied by our forward-looking statements.

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NASDAQ: ERII

Energy Recovery has Shown Fundamental Strength in Recent Years

Strong Fundamentals

Rapid Growth

High Margin

Strong Balance Sheet

Growing Profitability

21%

Avg. Product Revenue

Growth, 2015-2020

68%

2021 Estimated Gross

Margin

$108M Cash & Securities and

No Debt

21%

Increase in EBITDA margin

since 20181

1 EBITDA margin excludes GAAP recognized license and development revenue (based on product revenue only)

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Share Price Growth of 3.5X Since 2018 -

Nearly 2x the Russell 2000

70%

+58%

60%

$22.632

+45%

50%

$6.531

40%

30%+39%

20%

10%

0%

2019

2020

2021

ERII

S&P 500

Dow Jones

NASDAQ

Russell

  1. As of December 28, 2018;
  2. As of November 12, 2021

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ERI - Energy Recovery Inc. published this content on 19 January 2022 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 19 January 2022 15:13:14 UTC.