THIS ANNOUNCEMENT CONTAINS INSIDE INFORMATION

VAALCO ENERGY, INC. DECLARES THIRD QUARTER 2025 DIVIDEND

HOUSTON - August 8, 2025 - Vaalco Energy, Inc. (NYSE: EGY; LSE: EGY) ("Vaalco" or the "Company") today announced that it declared its quarterly cash dividend of $0.0625 per share of common stock for the third quarter of 2025 ($0.25 annualized), which is payable on September 19, 2025, to stockholders of record at the close of business on August 22, 2025. Future declarations of quarterly dividends and the establishment of future record and payment dates are subject to approval by the Board of Directors.

George Maxwell, Vaalco's Chief Executive Officer, commented, "We are pleased to announce our third quarter 2025 dividend, marking our 15th consecutive quarterly dividend. Maintaining a meaningful dividend remains our priority despite weaker commodity prices. We are investing in an exciting capital program over the next 18 months that is expected to provide growth in production and revenue that should allow us to continue to provide significant returns to our shareholders for years into the future."

About Vaalco

Vaalco, founded in 1985 and incorporated under the laws of Delaware, is a Houston, Texas, USA based, independent energy company with a diverse portfolio of production, development and exploration assets across Gabon, Egypt, Cote d'Ivoire, Equatorial Guinea, Nigeria and Canada.

For Further Information

Forward Looking Statements

This press release includes "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, which are intended to be covered by the safe harbors created by those laws and other applicable laws and may also include "forward-looking information" within the meaning of applicable Canadian securities laws (collectively, "forward-looking statements"). Where a forward-looking statement expresses or implies an expectation or belief as to future events or results, such expectation or belief is expressed in good faith and believed to have a reasonable basis. All statements other than statements of historical fact may be forward-looking statements. The words "anticipate," "believe," "estimate," "expect," "intend," "forecast," "outlook," "aim," "target," "will," "could," "should," "may," "likely," "plan" and "probably" or similar words may identify forward-looking statements, but the absence of these words does not mean that a statement is not forward-looking. Forward-looking statements in this press release include, but are not limited to, statements relating to expectations of future dividends to stockholders. Such forward-looking statements are subject to risks, uncertainties and other factors, which could cause actual results to differ materially from future results expressed, projected or implied by the forward-looking statements. These risks and uncertainties include, but are not limited to: risks relating to any unforeseen liabilities of Vaalco; the ability to generate cash flows that, along with cash on hand, will be sufficient to support operations and cash requirements; risks relating to the timing and costs of completion for scheduled maintenance of the Floating Production Storage and Offloading vessel servicing the Baobab field; and the risks described under the caption "Risk Factors" in Vaalco's 2024 Annual Report on Form 10-K filed with the SEC on March 17, 2025 and subsequent Quarterly Reports on Form 10-Q filed with the SEC.

Dividends beyond the third quarter of 2025 have not yet been approved or declared by the Board of Directors. The declaration and payment of future dividends remain at the discretion of the Board of Directors and will be determined based on Vaalco's financial results, balance sheet strength, cash and liquidity requirements, future prospects, crude oil and natural gas prices, and other factors deemed relevant by the Board of Directors. The Board of Directors reserves all powers related to the declaration and payment of dividends. Consequently, in determining the dividend to be declared and paid on Vaalco's common stock, the Board of Directors may revise or terminate the payment level at any time without prior notice.

Inside Information

This announcement contains inside information as defined in Regulation (EU) No. 596/2014 on market abuse which is part of UK domestic law by virtue of the European Union (Withdrawal) Act 2018 ("MAR") and is made in accordance with the Company's obligations under article 17 of MAR. The person responsible for arranging the release of this announcement on behalf of Vaalco is Matthew Powers, Corporate Secretary of Vaalco.