Vaalco Energy Regulatory News (EGY)

VAALCO ENERGY ANNOUNCES SUCCESSFUL DRILLING OF AVOUMA 3H-ST DEVELOPMENT WELL

HOUSTON - April 11, 2022 - VAALCO Energy Inc. (NYSE: EGY; LSE: EGY) ("VAALCO" or the "Company") today announced the successful drilling of the Avouma 3H-ST development well that was drilled from the Avouma platform in the Etame field, offshore Gabon.

Highlights

· Successfully drilled the Avouma 3H-ST development well with a lateral of 268 meters in high-quality Gamba sands at the top of the structure;

· Encountered premium Gamba sands with 28% porosity and one millidarcy of permeability;

· Confirms extension of Avouma reservoir and is forecasted to increase the overall recovery from the field, potentially allowing for additional wells at Avouma;

· Currently completing the Avouma 3H-ST well with initial production expected in the next few weeks; and

· Following completion, the drilling program will continue with the spudding of the ETBSM-1HB ST2 development well from the Avouma platform.

George Maxwell, VAALCO's Chief Executive Officer, commented, "With the drilling of the Avouma 3H-ST well, VAALCO continues the success of our 2021/2022 drilling campaign. We are very excited by the high-quality Gamba sands that we encountered drilling the Avouma 3H-ST well. The well confirms the extension of the Avouma field into an updip location that should lead to increased recovery at Avouma and opens the potential for additional development well opportunities. The continued success of our drilling campaign further demonstrates the quality of our premier Etame asset. We expect the well to be online in the next few weeks and will provide the market with an update when we have initial production data.

"Post completion we will begin drilling the next planned well on the Avouma platform, the ETBSM-1HB ST2 development well. Our focus is on continuing to execute on our strategy and delivering strong operational and financial results. We are excited about the future for VAALCO with the continued development of our interests in offshore Gabon, upside opportunities in Equatorial Guinea and the potential to integrate accretive acquisitions aimed at further strengthening VAALCO and growing shareholder value."

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 125 million barrels of crude oil and of which the Company is the operator.

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.