Sonoro Energy, Advanced BioCatalytics, and NexTier Energy Launch Strategic Collaboration to Advance Heavy Oil Recovery from Carbonate Reservoirs in the Middle East

(TheNewswire)

May 5, 2025 – TheNewswire - Calgary, Alberta – SonoroEnergy Ltd. (“Sonoro” or the “Company”(TSX Venture: SNV) is pleased to announce thatSonoro, Advanced BioCatalytics Corporation, and NexTier Energy LLChave developed a strategic collaboration focused on enhancing heavyoil production from carbonate reservoirs in the Middle East throughthe application of cutting-edge enhanced oil recovery (EOR)technologies. The partnership leverages the complementary strengths ofeach company—biotechnology innovation, reservoir engineeringexpertise, and regional energy leadership—to address one of the moretechnically challenging resource opportunities in the global energysector

This collaboration represents a step toward redefiningwhat’s possible in carbonate heavy oil recovery—blending science,strategy, and regional expertise to deliver impactful results.

The initiative is centered on the deployment ofadvanced specialty chemical formulations developed by Irvine,California based Advanced BioCatalytics. These environmentallyresponsible chemical solutions, derived from next-generationbiotechnology, have demonstrated an ability to improve heavy oilmobility, reduce interfacial tension, and increase recovery efficiencyin carbonate reservoirs.

Dallas, Texas based, NexTier Energy will lead thetechnical evaluation, modeling, and field design of the EOR programs,applying its expertise in subsurface analysis, reservoir simulation,and operational implementation.

Sonoro Energy will oversee regional engagement andstakeholder alignment. Ms. Sara Akbar, Chairperson of Sonoro Energy,and one of the most respected leaders in the Middle East oil and gasindustry, will facilitate introductions to national oil companies,energy ministries, and key stakeholders across the region to gainaccess to the data needed to perform reservoir studies and high-gradeinvestment opportunities. With a distinguished track record thatincludes leadership roles at Kuwait Energy and Kuwait ForeignPetroleum Exploration Company, Ms. Akbar brings unparalleled insightand opportunity access to the initiative.

Initial trial results by Advanced BioCatalytics inselect Middle Eastern fields have already produced promising outcomes,validating the effectiveness of these chemical technologies andapplication.

The combination of innovative technology, engineeringexcellence, and strategic partnerships aims to unlock significantincremental production in a cost-effective and environmentallyconscious manner.

“Our collaboration is rooted in a field-specificapproach,” said Greg Renwick of Sonoro. “Rather than applying aone-size-fits-all solution, we focus on designing custom chemicalformulations and delivery strategies for each reservoir, based on itsgeologic conditions, oil chemistry, and production history, The earlyresults are encouraging and point to substantial upside in fields thathave not yet achieved their recovery potential.”

Forward-lookingStatements

Certain information in this news release constitutesforward-looking statements under applicable securities laws. Anystatements that are contained in this news release that are notstatements of historical fact may be deemed to be forward-lookingstatements. Forward-looking statements are often identified by termssuch as "may," "should," "anticipate,""expects," "estimates," "seeks" andsimilar expressions. In particular, without limiting the generality ofthe foregoing, this news release contains forward-looking informationregarding: the ability of the parties to negotiate satisfactory termsfor, and to execute, the Definitive Agreement; the satisfaction of allconditions precedent to the completion of the Proposed Transaction,including receipt of TSX Venture Exchange, regulatory and shareholderapprovals; the Company’s ability to continue as a going concern,general business, economic, competitive, political, and socialuncertainties; delay or failure to receive applicable approvals; andthe results of operations.

Forward-looking statements necessarily involve knownand unknown risks, including, without limitation, risks associatedwith oil and gas exploration, development, exploitation, production,marketing and transportation, loss of markets, volatility of commodityprices, currency fluctuations, imprecision of resource and reserveestimates, environmental risks, competition from other producers,inability to retain drilling rigs and other services, delays resultingfrom or inability to obtain required regulatory approvals, changes inlegislation including but not limited to income tax, environmentallaws and regulatory matters, the effectiveness of the technology to beemployed by the Company, the Company’s ability to access sufficientcapital from internal and external sources. Readers are cautioned thatthe foregoing list of factors is not exhaustive.

Readers are cautioned not to place undue reliance onforward-looking statements as there can be no assurance that theplans, intentions or expectations upon which they are placed willoccur. Such information, although considered reasonable by managementat the time of preparation, may prove to be incorrect and actualresults may differ materially from those anticipated. Forward-lookingstatements contained in this news release are expressly qualified bythis cautionary statement.

Additional information on these and other factors thatcould affect Sonoro's operations or financial results are included inSonoro’s reports on file with Canadian securities regulatoryauthorities and may be accessed through the SEDAR+ website(www.sedarplus.ca) or by contacting Sonoro. The forward-lookingstatements contained in this news release are made as of the date ofthis news release and Sonoro does not undertake any obligation toupdate publicly or to revise any of the included forward-lookingstatements, whether as a result of new information, future events orotherwise, except as expressly required by securities law.

Neither the TSXVenture Exchange nor its Regulation Service Provider (as that term isdefined in the policies of the TSX Venture Exchange) acceptsresponsibility for the adequacy or accuracy of thisrelease .

For further information, please contact the companyat:

On behalf of the Board of Directors

of Sonoro Energy Ltd.

Dean Callaway, CFO and Director

info@sonoroenergy.com

+1.403.262.3252

This press releaseis not to be disseminated in the United States

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