Group Eleven Welcomes Barry O’Shea to the Board of Directors

Group Eleven Welcomes Barry O’Shea to the Board of Directors

Vancouver, Canada, June 25, 2026 - Group Eleven Resources Corp. (TSX-V: ZNG; OTCQB: GRLVF; FRA:

3GE) (“Group Eleven” or the “Company”) is pleased to announce that Barry O’Shea will stand for

election to the Board of Directors at the Company’s Annual General Meeting (“ AGM”) to be held on

August 11, 2026. Mr. O’Shea will replace Alessandro Bitelli, who will be retiring from the Board and

not stand for re-election at the AGM.

Bart Jaworski, CEO of Group Eleven, commented: “We are delighted to welcome Barry to the team

and look forward to working with him to further grow shareholder value. On behalf of the Company,

I would also like to thank Alessandro for his valuable insights and guidance during his eight-and-a-half-

year tenure as director and wish him the very best.”

Born in Limerick, Ireland, Mr. O’Shea is a Canadian Chartered Professional Accountant (CPA) who has

worked in the Canadian mining industry for most of his career. He is currently the Chief Executive

Officer and Director of Highland Copper Company Inc. (TSX-V: HI) and former Chief Financial Officer

of Fiore Gold Ltd. from 2018 to 2021 (sold to Calibre Mining Corp. in Jan uary 2022). Mr. O’Shea was

also Vice President Finance and Vice President Business Development at New Gold Inc. from 2010 to

2017.

About Group Eleven Resources

Group Eleven Resources Corp. (TSX -V: ZNG; OTCQB: GRLVF and FRA: 3GE) is drilling the most

significant mineral discovery in the Republic of Ireland in over a decade. The Company announced the

Ballywire discovery in September 2022, demonstrating high grades of zinc, lead, silver, copper,

germanium and locally, antimony. Ballywire is located 20km from Company’s 77.64% -owned

Stonepark zinc -lead deposit 1, which itself is located adjacent to Glencore’s Pallas Green zinc -lead

deposit2. The Company’s two largest shareholders are Michael Gentile (13.7% interest) and Glencore

Canada Corp. (12.9%). Additional information about the Company is available at

www.groupelevenresources.com.

ON BEHALF OF THE BOARD OF DIRECTORS

Bart Jaworski, P.Geo.

Chief Executive Officer

E: [email protected] | T: +353-85-833-2463

E: [email protected] | T: 604-781-4915

1 Stonepark MRE is 5.1 million tonnes of 11.3% Zn+Pb (8.7% Zn and 2.6% Pb), Inferred (Apr-17-2018)

2 Pallas Green MRE is 45.4 million tonnes of 8.4% Zn+Pb (7.2% Zn + 1.2% Pb), Inferred (Glencore, Dec-31-2025)

The mineralization, exploration results, resources or other technical information reported on adjacent or regional properties

is not necessarily indicative of mineralization on the Company’s properties. Readers should not infer that the Company will

obtain similar results from exploration or development of its own properties.

2

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the

policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this

release.