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Pacific Empire Retains Omineca Drilling for September Diamond Drill Program at Trident Copper-Gold Property

Exploration Programs

Pacific Empire Retains Omineca Drilling for September Diamond Drill Program at

Trident Copper-Gold Property

August 21, 2025 – Vancouver, B.C., Canada – Pacific Empire Minerals Corp. (TSXV: PEMC) (“Pacific

Empire”, “PEMC” or the “Company”), a British Columbia copper -gold explorer, is pleased to announce

that it has retained Omineca Drilling Ltd. (“Omineca”) to complete a diamond drill program at its 100%-

owned Trident property in north -central British Columbia. Drilling is scheduled to commence in

September 2025.

Key Highlights

• Omineca Drilling retained to complete a ~2,500-metre diamond drill program at Trident.

• Omineca previously drilled the property in 2014, bringing valuable familiarity and efficiency to the

upcoming program.

• Road re-establishment underway with an excavator clearing and preparing access ahead of drilling.

• Multi-Year Mines Act Permit secured, authorizing surface drilling from 20 permitted drill sites until

September 2028.

In advance of drilling, Pacific Empire has mobilized an excavator to the Trident property to begin clearing and re-

establishing existing roads in preparation for the 2025 exploration program. These activities will ensure efficient

access to drill sites and support the safe and timely commencement of diamond drilling.

“We are excited to be working with Omineca Drilling once again at Trident,” commented Brad Peters, President

and CEO of Pacific Empire. “Omineca, which previously drilled the property in 2014, brings valuable familiarity

and efficiency to the upcoming program. Combined with our recently granted multi -year exploration permit and

improved access, we have an excellent foundation as we prepare to launch our diamond drill program at Trident

this September.”

The Trident property lies within the prolific Quesnel Terrane, immediately south of the Hogem Plutonic

Suite contact with volcanic rocks of the Chuchi Lake Succession — a geologic setting known to host

several producing and past-producing copper-gold porphyry deposits in British Columbia. Historical work

on the property includes soil geochemistry, geophysics, and diamond drilling that confirmed widespread

copper-gold mineralization but left the main target area untested due to historic access challenges.

Pacific Empire’s 2025 program will be the first modern drill campaign to directly test this high -priority

target, following recent re-assay results from historical drilling and the acquisition of new high-resolution

LIDAR data that have refined drill collar placement.

Telephone: 604-6

Pacific Empire Minerals Corp. | Suite 804 - 525 Seymour Street, Vancouver BC, Canada V6C 1X8

69-0660 Facsimile: 604-688-1157

Other Matters

The latest President’s Newsletter, along with updated maps and Corporate Presentation, are now available

at www.pemcorp.ca.

Figure 1 - Multi-Year Area-Based Permit Work Area

Telephone: 604-6

Pacific Empire Minerals Corp. | Suite 804 - 525 Seymour Street, Vancouver BC, Canada V6C 1X8

69-0660 Facsimile: 604-688-1157

Figure 2 - Excavator Clearing Access Roads at Trident

About Pacific Empire

Pacific Empire is a copper exploration company based in Vancouver, British Columbia and trades on the

TSX Venture Exchange under the symbol PEMC. The Company has a district -scale land position in

north-central British Columbia totaling 22,541 hectares.

British Columbia is a “Green” copper jurisdiction with abundant hydroelectric power, access and

infrastructure in close proximity to the end market.

Telephone: 604-6

Pacific Empire Minerals Corp. | Suite 804 - 525 Seymour Street, Vancouver BC, Canada V6C 1X8

69-0660 Facsimile: 604-688-1157

ON BEHALF OF THE BOARD,

“Brad Peters”

President, Chief Executive Officer and Director

Pacific Empire Minerals Corp.

Tel: +1-604-356-6246

[email protected]

www.pemcorp.ca

Neither the 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.

Forward-Looking Statements

Information set forth in this news release may involve forward-looking statements under applicable securities

laws. Forward-looking statements are statements that relate to future, not past, events. In this context, forward -

looking statements often address expected future business and financial performance, and often contain words such

as "anticipate", "believe", "plan" , "estimate", "expect", and "intend", statements that an action or event "may",

"might", "could", "should", or "will" be taken or occur, or other similar expressions. All statements, other than

statements of historical fact, are forward-looking statements. By their nature, forward-looking statements involve

known and unknown risks, uncertainties and other factors which may cause our actual results, performance or

achievements, or other future events, to be materially different from any future results, performance or

achievements expressed or implied by such forward -looking statements. Such factors include, among others, the

following risks: the need for additional financing; operational risks associated with mineral exploration;

fluctuations in commodity prices; title matters; environmental liability claims and insurance; reliance on key

personnel; the potential for conflicts of interest among certain officers, directors or promoters with certain

other projects; the absence of dividends; competition; dilution; the volatility of our common share price and

volume and the additional risks identified in the management discussion and analysis section of our interim and

most recent annual financial statement or other reports and filings with the TSX Venture Exchange and

applicable Canadian securities regulations. Forward -looking statements are made based on management's

beliefs, estimates and opinions on the date that statements are made, and the Company undertakes no obligation

to update forward-looking statements if these beliefs, estimates and opinions or other circumstances should change,

except as required by applicable securities laws. Investors are cautioned against attributing undue certainty to

forward-looking statements.