President Frank Ingriselli Will Provide an Update on it Current Drilling and Production Operations

JAKARTA, INDONESIA AND DANVILLE, CA, Sept. 10, 2026 (GLOBE NEWSWIRE) -- Indonesia Energy Corporation (NYSE:INDO) ("IEC"), an oil and gas exploration and production company focused on Indonesia, today announced its President, Frank Ingriselli, will be presenting at the H.C. Wainwright 28th Annual Global Investment Conference on Tuesday, September 15, 2026, at 12:00PM EST. The in-person venue for the event is the Lotte New York Palace Hotel in New York City.

During his presentation, Mr. Ingriselli will provide an update on IEC’s production operations at the K-29 well (which recently was drilled to full depth) and the latest update on anticipated new drilling at the WK-5 well, where the drilling rig used for the K-29 well is on the move to the WK-5 site.

H.C. Wainwright 28^thAnnual Global Investment Conference

Date: Tuesday, September 15, 2025

Time: 12:00PM EST

Place: Lotte New York Palace Hotel, 455 Madison Avenue, New York, NY

The live webcast of the presentation can be viewed at the following link:

https://journey.ct.events/view/fa7e4580-97d5-466f-ad9d-f317a7799db9

The presentation will also be available for replay 5 days after the presentation at IEC’s website: https://ir.indo-energy.com

About Indonesia Energy Corporation Limited

Indonesia Energy Corporation Limited (NYSE:INDO) is a publicly traded energy company engaged in the acquisition and development of strategic, high growth energy projects in Indonesia. IEC’s principal assets are its Kruh Block (63,000 acres) located onshore on the Island of Sumatra in Indonesia and its Citarum Block (195,000 acres) located onshore on the Island of Java in Indonesia. IEC is headquartered in Jakarta, Indonesia and has a representative office in Danville, California. For more information on IEC, please visit www.indo-energy.com.

Cautionary Statement Regarding Forward-Looking Statements

All statements in this press release, the conference presentation described herein, and related statements of Indonesia Energy Corporation Limited ("IEC") and its representatives and partners that are not based on historical fact are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995 and the provisions of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended (the "Acts"). In particular, the words "explore," "could," "estimates," "seek," "believes," "hopes," "understand," "expects," "intends," "on-track", "plans," "anticipates," or "may," and similar conditional expressions are intended to identify forward-looking statements within the meaning of the Acts and are subject to the safe harbor created by the Acts. Any statements made during the presentation at the H. C. Wainwright conference and in this news release other than those of historical fact, about an action, event or development, are forward-looking statements. In this press release, forward-looking statements include, without limitation those related to IEC’s development, drilling, production and exploration plans and goals. While management has based any forward-looking statements contained herein on its current expectations, the information on which such expectations were based may change. These forward-looking statements rely on a number of assumptions concerning future events and are subject to a number of significant risks, uncertainties, and other factors, many of which are outside of the IEC's control, that could cause actual results to materially and adversely differ from such statements. Such risks, uncertainties, and other factors include, but are not necessarily limited to, those set forth in the Risk Factors section of the Company’s annual report on Form 20-F for the fiscal year ended December 31, 2024, filed on April 29, 2025, and other filings with the Securities and Exchange Commission (SEC). Copies are of such documents are available on the SEC's website, www.sec.gov and IEC’s website at https://ir.indo-energy.com/sec-filings/. IEC undertakes no obligation to update these statements for revisions or changes after the date of this release, except as required by law.

Company Contact:

Frank C. Ingriselli

President, Indonesia Energy Corporation Limited

Frank.Ingriselli@Indo-Energy.com