CLB

EX-99.1

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EX-99.1

EX-99.1

Exhibit 99.1

FOR IMMEDIATE RELEASE

CORE LAB REPORTS THIRD QUARTER 2026 RESULTS:

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REVENUE OF $132.1 MILLION, UP 6% SEQUENTIALLY AND DOWN 2% YEAR-OVER-YEAR

• OPERATING INCOME OF $12.1 MILLION; EX-ITEMS, $12.6 MILLION, UP 35% SEQUENTIALLY AND DOWN 24% YEAR-OVER-YEAR

• GAAP EARNINGS PER SHARE OF $0.12; EPS EX-ITEMS OF $0.16, UP 46% SEQUENTIALLY AND DOWN 27% YEAR-OVER-YEAR

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FREE CASH FLOW OF $1.7 MILLION

• COMPANY REPURCHASED 87,873 SHARES OF COMMON STOCK, FOR $1.1 MILLION AGGREGATE PURCHASE PRICE

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COMPANY ANNOUNCES Q4 2026 QUARTERLY DIVIDEND

HOUSTON (October 28, 2026)—Core Laboratories Inc. (NYSE: "CLB") ("Core," "Core Lab," or the "Company") reported third quarter 2026 revenue of $132,100,000. Core’s operating income was $12,100,000, with earnings per diluted share (“EPS”) of $0.12, all in accordance with U.S. generally accepted accounting principles ("GAAP"). Operating income, ex-items, a non-GAAP financial measure, was $12,600,000, yielding operating margins of 10% with sequential incremental margins of 43%, and EPS, ex-items, of $0.16. A full reconciliation of non-GAAP financial measures is included in the attached financial tables.

Core’s CEO, Larry Bruno, stated, “Our third quarter results delivered sequential revenue growth across both of our operating segments. International revenue was up in Europe-Africa, Asia-Pacific, Latin America, and the Middle East. There was a gradual improvement in activity in the Middle East, particularly late in the quarter. Improving demand across these international regions drove Reservoir Description revenue higher during the quarter, just above the top end of our guidance range. Production Enhancement’s revenue growth was led by strong U.S. product sales, which benefited from modestly improved U.S. land completion activity and increased adoption of our proprietary completion technologies. International product sales also strengthened sequentially.

Looking at the mid to long term, we see our key international regions positioned for growth, including long-cycle offshore exploration and appraisal projects. Face-to-face meetings with clients throughout Asia-Pacific during the third quarter reinforced our view that the region is entering a period of sustained activity growth, with projects advancing across both conventional and unconventional plays. Core Lab's established global network has the Company well-positioned to support these programs. Although geopolitical conflicts in the Middle East and Russia-Ukraine still affect portions of our business, we are encouraged by improving demand and project momentum across our global client base.”

Reservoir Description

Reservoir Description operations are closely correlated with trends in international and offshore activity levels, with approximately 80% of revenue sourced from projects originating outside the United States. Revenue for Reservoir Description in the third quarter of 2026 was $84,300,000, up 7% sequentially and down 4% year-over-year. Operating income on a GAAP basis was $7,700,000. Operating income, ex-items, was $8,100,000, yielding operating margins of 10% and strong sequential incremental margins of 78%.

Sequential revenue growth was driven by increased international demand for the Company's laboratory services, led by project work in Europe-Africa, Asia-Pacific, Latin America and the Middle East. Demand for assay services in the Middle East showed modest improvement late in the quarter but remained below pre-conflict levels. Ongoing geopolitical instability and associated sanctions in the Middle East and Russia-Ukraine continued to weigh on demand for these services.

During the third quarter of 2026, following the successful completion of an initial reservoir characterization study, a leading national oil company in the Middle East awarded Core Lab an expanded analytical program to evaluate its unconventional reservoirs. The initial study combined Core’s proprietary technologies and integrated laboratory workflows to determine reservoir quality and fluid saturations. The expanded program will utilize Core Lab’s PRISM™ workflow, together with the Company’s proprietary High Frequency NMR, NANO-k™ 100 Nano Permeametry, and Shale Matrix Permeameter (“SMP-200™”) technologies. By integrating these laboratory measurements with other petrophysical and geological data, Core Lab is characterizing rock properties and fluid saturations, while also differentiating movable and immovable hydrocarbons. These datasets will assist the operator in evaluating hydrocarbon production potential and support development planning.

Also, during the third quarter of 2026, Omega Oil and Gas engaged Core’s team to evaluate more than 360 feet of conventional core and sidewall cores from two appraisal wells in Queensland’s Taroom Trough in the Bowen Basin. High-quality whole core recovered from multiple hydrocarbon-bearing stratigraphic horizons are undergoing a comprehensive reservoi

EX-99.1

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EX-99.1

EX-99.1

Exhibit 99.1

FOR IMMEDIATE RELEASE

CORE LAB REPORTS SECOND QUARTER 2026 RESULTS:

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REVENUE OF $124.6 MILLION, UP 2% SEQUENTIALLY AND DOWN 4% YEAR-OVER-YEAR

• OPERATING INCOME OF $9.2 MILLION; EX-ITEMS, $9.4 MILLION, UP 42% SEQUENTIALLY AND DOWN 36% YEAR-OVER-YEAR

• GAAP EARNINGS PER SHARE OF $0.13; EPS EX-ITEMS OF $0.11, UP 85% SEQUENTIALLY AND DOWN 42% YEAR-OVER-YEAR

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FREE CASH FLOW OF $3.1 MILLION

• COMPANY REPURCHASED 214,712 SHARES OF COMMON STOCK, FOR $2.7 MILLION AGGREGATE PURCHASE PRICE

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COMPANY ANNOUNCES Q3 2026 QUARTERLY DIVIDEND

HOUSTON (July 29, 2026)—Core Laboratories Inc. (NYSE: "CLB") ("Core," "Core Lab," or the "Company") reported second quarter 2026 revenue of $124,600,000. Core’s operating income was $9,200,000, with earnings per diluted share (“EPS”) of $0.13, all in accordance with U.S. generally accepted accounting principles ("GAAP"). Operating income, ex-items, a non-GAAP financial measure, was $9,400,000, yielding operating margins of 8%, and EPS, ex-items, of $0.11. A full reconciliation of non-GAAP financial measures is included in the attached financial tables.

Core’s CEO, Larry Bruno, stated, “Our second quarter results displayed sequential improvement in revenue, operating income and earnings per share despite continued geopolitical conflicts that affected portions of our business, particularly Reservoir Description. Notably, we saw improvement in activity in Africa, U.S., and Asia-Pacific regions, where operators continued to call on Core Lab's specialized technical expertise to facilitate critical reservoir characterization and production optimization projects. In addition, higher sequential product sales and completion diagnostic service activity were achieved across many regions including the U.S., while international growth of Production Enhancement’s products and services reflected the expanded adoption of our innovative technologies.

“As mentioned, client operations were disrupted in the Middle East, and laboratory testing in support of the maritime transportation and trade of crude oil and derived products was largely suspended in the region. Increased military action and evolving sanctions related to the Russia-Ukraine conflict also presented headwinds during the second quarter. Looking forward, we see several international regions poised for continued growth, coupled with modestly improving U.S. onshore activity which we believe sets the stage for sequential improvement in the third quarter.”

Reservoir Description

Reservoir Description operations are closely correlated with trends in international and offshore activity levels, with approximately 80% of revenue sourced from projects originating outside the United States. Revenue for Reservoir Description in the second quarter of 2026 was $78,700,000, down 4% sequentially and 9% year-over-year. During the quarter, military conflicts in both the Middle East and Russia-Ukraine resulted in increased attacks on energy infrastructure, which suspended client projects and disrupted global transportation and trade of crude oil and derived products. These events negatively impacted demand for services in both the directly affected regions and across the Company’s international crude oil assay laboratory network. Operating income on both a GAAP basis and ex-items was $3,700,000 yielding operating margins of 5%. Margins were impacted by: 1) reduced client activity in the Middle East, 2) lower global crude assay activity resulting from disruptions to hydrocarbon cargo shipments through the Strait of Hormuz, and 3) increased military action and expanded European sanctions associated with the Russia-Ukraine conflict. Core Lab has maintained its operational capabilities and cost structure in the Middle East, reflecting its expectation that hydrocarbon trading routes and client activity will normalize over time. The Company has taken steps to improve profitability in Russia-Ukraine operations.

During the second quarter of 2026, Core Lab was engaged to support multiple exploration, appraisal, and carbon storage projects across Asia-Pacific and Africa. The Company was engaged to perform a reservoir rock evaluation study for an onshore gas development in Australia. Leveraging the Company's Advanced Technology Center in Australia, Core Lab is using its Advanced Digital Imaging System ("ADIS") to generate high-resolution core images that combine with physical laboratory measurements to evaluate geologic attributes, reservoir quality, and flow properties. The resulting datasets will be incorporated into Core Lab's proprietary RAPID™ database, providing the operator with secure data access and accelerated interpretation of results.

In Africa, Core Lab was selected by a major international operator to provide a data analytical program on a conventional core from an exploration well offshore Namibia. Utilizing its Advanced Technology Center in Scotland, the Company is performing a compre

EX-99.1

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EX-99.1

EX-99.1

Exhibit 99.1

FOR IMMEDIATE RELEASE

CORE LAB REPORTS FIRST QUARTER 2026 RESULTS:

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REVENUE OF $121.8 MILLION, DOWN 12% SEQUENTIALLY AND FLAT YEAR-OVER-YEAR

• OPERATING INCOME OF $1.9 MILLION; EX-ITEMS, $6.6 MILLION, DOWN 58% SEQUENTIALLY AND 44% YEAR-OVER-YEAR

• GAAP LOSS PER SHARE OF $0.02; EPS EX-ITEMS OF $0.06, DOWN 72% SEQUENTIALLY AND 58% YEAR-OVER-YEAR

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FREE CASH FLOW OF $0.5 MILLION

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NET DEBT INCREASED BY $3.9 MILLION; LEVERAGE RATIO AT 1.20

• COMPANY REPURCHASED 51,781 SHARES OF COMMON STOCK, FOR $0.9 MILLION AGGREGATE PURCHASE PRICE

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COMPANY ANNOUNCES Q2 2026 QUARTERLY DIVIDEND

HOUSTON (April 29, 2026)—Core Laboratories Inc. (NYSE: "CLB") ("Core," "Core Lab," or the "Company") reported first quarter 2026 revenue of $121,800,000. Core’s operating income was $1,900,000, with a loss per diluted share of $0.02, all in accordance with U.S. generally accepted accounting principles ("GAAP"). Operating income, ex-items, a non-GAAP financial measure, was $6,600,000, yielding operating margins of over 5% and earnings per diluted share (“EPS”), ex-items, of $0.06. A full reconciliation of non-GAAP financial measures is included in the attached financial tables.

Core’s CEO, Larry Bruno, stated, “First and foremost, our thoughts remain with our employees and their families across our Middle East operations during this period of heightened geopolitical instability. As we continue to prioritize the safety of our people, the conflict has impacted client activity, project timelines, and operations across the region, factors that materially affected Core Lab’s first quarter operating results. For Reservoir Description, and for the service part of Production Enhancement, operational disruptions in the Middle East were extensive, including: 1) client office closures and delayed progression of client projects, 2) suspension of field access for sample acquisition and wellsite services, and 3) halted maritime transportation of crude oil, natural gas, and derived products. In addition, completion product deliveries into the region for Production Enhancement were also delayed. Core Lab has persevered through previous conflicts in the Middle East, and I am fully confident that we will again. As we have in the past, the Company and its dedicated employees remain committed to servicing our long-standing clients throughout this vital region. The ongoing conflict in Russia-Ukraine and severe weather events across North America and Europe also disrupted client activity and operations, creating additional headwinds for the first quarter. Despite these near-term challenges, Core remains focused on delivering long-term shareholder value through disciplined execution and continued innovation, including the advancement and commercialization of next-generation technologies that have gained early client adoption across multiple regions.”

Reservoir Description

Reservoir Description operations are closely correlated with trends in international and offshore activity levels, with approximately 80% of revenue sourced from projects originating outside the United States. Revenue for Reservoir Description in the first quarter of 2026 was $81,900,000, down 11% sequentially and up slightly from last year. Operating income on a GAAP basis was $1,100,000. Operating income, ex-items, was $4,800,000, with operating margins of 6%. The first quarter of 2026 was negatively impacted by two primary factors: 1) the conflict in the Middle East, and 2) severe weather events across North America, and the Mediterranean region, which also disrupted client operations and the demand for laboratory services in the quarter. As global consumption has remained resilient throughout the conflict, Core anticipates a strong rebound in the global maritime transportation and trade of hydrocarbon cargoes, and the associated demand for the Company’s assay laboratory work.

Although client activities in and around the Middle East were negatively impacted by the ongoing geopolitical conflict, other regions across the globe continue to be active and growing. For example, during the first quarter of 2026, Core Lab supported multiple reservoir characterization programs for major operators on Alaska’s North Slope, focused on development planning and reserve calculations in complex, low-resistivity, low-contrast reservoir systems. These technically challenging North Slope operations require specialized expertise, beginning with the Company’s proprietary wellsite handling protocols. Core Lab’s wellsite procedures mitigate the risks of inaccurate reserve assessments and suboptimal development decisions. Immediately upon reaching the Company’s laboratory in Anchorage, Core’s proprietary NITRO℠ (Non-Invasive Technologies for Reservoir Optimization) workflow was applied to core samples that were evaluated through advanced CT scanning. This non-destructive technology allowed Core Lab to quickly assess core integrity and identify