VAALCO ENERGY SET TO JOIN RUSSELL 3000® INDEX

HOUSTON - June 14, 2022 - VAALCO Energy Inc. (NYSE: EGY; LSE: EGY) ("VAALCO" or the "Company") today announced today it is set to join the broad-market Russell 3000® Index at the conclusion of the 2022 Russell Indexes Annual Reconstitution, according to a preliminary list of additions posted by FTSE Russell on June 3, 2022. Inclusion in the index will take effect after the U.S. market opens on June 27, 2022.

The annual reconstitution of the Russell indexes captures the 4,000 largest U.S. stocks as of May 6, ranking them by total market capitalization. Membership in the US all-cap Russell 3000® Index, which remains in place for one year, means automatic inclusion in the large-cap Russell 1000® Index or in the small-cap Russell 2000® Index as well as the appropriate growth and value style indexes. FTSE Russell determines membership for its Russell indexes primarily by objective, market-capitalization rankings, and style attributes.

George Maxwell, VAALCO's Chief Executive Officer, commented, "We continue to accretively grow VAALCO and we welcome the enhanced visibility and distribution provided by our inclusion in the Russell 3000® Index as a way to broaden VAALCO's awareness within the institutional Investor community. VAALCO is poised for continued success in this strong commodity price environment, with no debt and strong free cash flow generation and we remain firmly focused on maximizing shareholder returns. We are excited to join the Russell 3000® Index and believe that it is another significant milestone for VAALCO in 2022."

Russell indexes are widely used by investment managers and institutional investors for index funds and as benchmarks for active investment strategies. Approximately $12 trillion in assets are benchmarked against Russell's U.S. indexes. Russell indexes are part of FTSE Russell, a leading global index provider.

For more information on the Russell 3000® Index and the Russell indexes reconstitution, go to the "Russell Reconstitution" section on the FTSE Russell website, www.ftserussell.com.

About VAALCO

VAALCO, founded in 1985, is a Houston, USA based, independent energy company with production, development and exploration assets in the West African region.

The Company is an established operator within the region, holding a 63.6% participating interest in the Etame Marin block, located offshore Gabon, which to date has produced over 126 million barrels of crude oil and of which the Company is the operator.

About FTSE Russell

FTSE Russell is a global index leader that provides innovative benchmarking, analytics and data solutions for investors worldwide. FTSE Russell calculates thousands of indexes that measure and benchmark markets and asset classes in more than 70 countries, covering 98% of the investable market globally.

FTSE Russell index expertise and products are used extensively by institutional and retail investors globally. Approximately $20 trillion is currently benchmarked to FTSE Russell indexes. For over 30 years, leading asset owners, asset managers, ETF providers and investment banks have chosen FTSE Russell indexes to benchmark their investment performance and create ETFs, structured products and index-based derivatives.

FTSE Russell is wholly owned by London Stock Exchange Group.

For Further Information

Forward Looking Statements

This document 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.  All statements, other than statements of historical facts, included in this document that address activities, events, plans, expectations, objectives or developments that VAALCO expects, believes or anticipates will or may occur in the future are forward-looking statements.  These statements may include statements related to the impact of the COVID-19 pandemic, including the recent sharp decline in the global demand for and resulting global oversupply of crude oil and the resulting steep decline in oil prices, production quotas imposed by Gabon, disruptions in global supply chains, quarantines of our workforce or workforce reductions and other matters related to the pandemic, well results, wells anticipated to be drilled and placed on production, future levels of drilling and operational activity and associated expectations, the implementation of the Company's business plans and strategy, prospect evaluations, prospective resources and reserve growth, its activities in Equatorial Guinea, expected sources of and potential difficulties in obtaining future capital funding and future liquidity, its ability to restore production in non-producing wells, our ability to find a replacement for the FPSO or to renew the FPSO charter, future operating losses, future changes in crude oil and natural gas prices, future strategic alternatives, future and pending acquisitions, capital expenditures, future drilling plans, acquisition and interpretation of seismic data and costs thereof, negotiations with governments and third parties, timing of the settlement of Gabon income taxes, and expectations regarding processing facilities, production, sales and financial projections.  These statements are based on assumptions made by VAALCO based on its experience and perception of historical trends, current conditions, expected future developments and other factors it believes are appropriate in the circumstances.  Such statements are subject to a number of assumptions, risks and uncertainties, many of which are beyond VAALCO's control.  These risks include, but are not limited to, crude oil and natural gas price volatility, the impact of production quotas imposed by Gabon in response to production cuts agreed to as a member of OPEC, inflation, general economic conditions, the outbreak of COVID-19, the Company's success in discovering, developing and producing reserves, production and sales differences due to timing of liftings, decisions by future lenders, the risks associated with liquidity, lack of availability of goods, services and capital, environmental risks, drilling risks, foreign regulatory and operational risks, and regulatory changes. 

Investors are cautioned that forward-looking statements are not guarantees of future performance and that actual results or developments may differ materially from those projected in the forward-looking statements.  VAALCO disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise.

Inside Information

This announcement contains inside information as defined in Regulation (EU) No. 596/2014 on market abuse ("MAR") and is made in accordance with the Company's obligations under article 17 of MAR.