DAIO

EX-99.1

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PRESS RELEASE

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EXHIBIT 99.0

Data I/O Reports Preliminary Financial Results for Second Quarter 2026

Full Second Quarter Financial Results and Conference Call Delayed to August 12, 2026 Due to On-going Accounting Analysis Pertaining to Direct Investment of $9 Million Announced in May 2026.

Redmond, WA – July 30, 2026 -- Data I/O Corporation (NASDAQ: DAIO), the leading global provider of data programming and security provisioning solutions for microcontrollers, security ICs and memory devices, today announced preliminary financial results for the second quarter ended June 30, 2026. The full second quarter financial results and corresponding conference call for investors which were scheduled for July 30, 2026 are being rescheduled to take place on August 12, 2026, pending the completion of an independent accounting and valuation analysis pertaining to the treatment of the direct investment of $9 million announced in May 2026.

Preliminary Second Quarter 2026 Financial Results

· Net sales in the second quarter 2026 were $5.2 million, an increase of 59% sequentially as compared to $3.3 million in the first quarter 2026

· Gross margin as a percentage of sales was 57.1% in the second quarter 2026, as compared to 49.5% in the first quarter 2026

· Cash at June 30, 2026 was $10.8 million as compared to $5.7 million on March 31, 2026, reflecting the net cash proceeds from the May 2026 direct investment

Full Second Quarter 2026 Financial Results Announcement and Conference Call Information

The Company is rescheduling the reporting of its full financial results for the second quarter ended June 30, 2026 to take place on August 12, 2026 after market close. A conference call discussing the full financial results will be conducted on that day at 2 p.m. Pacific Time/5 p.m. Eastern Time. To listen to the conference call, please dial 412-317-5788. A replay will be made available approximately one hour after the conclusion of the call. To access the replay, please dial 412-317-0088, access code 5307983. The conference call will also be simultaneously webcast over the Internet; visit the Events & Webcasts section of the Data I/O Corporation website at https://www.dataio.com/investor-relations/news/events/ to access the call from the site. This webcast will be recorded and available for replay on the Data I/O Corporation website approximately one hour after the conclusion of the conference call.

About Data I/O Corporation

Since 1972, Data I/O has developed innovative solutions to enable the design and manufacture of electronic products for automotive, Internet-of-Things, medical, wireless, consumer electronics, industrial controls and other electronics devices. Today, our customers use Data I/O’s data programming solutions and security deployment platform to secure the global electronics supply chain and protect IoT device intellectual property from point of inception to deployment in the field. OEMs of any size can program and securely provision devices from early samples all the way to high volume production prior to shipping semiconductor devices to a manufacturing line. Data I/O enables customers to reliably, securely, and cost-effectively bring innovative new products to life. These solutions are backed by a portfolio of patents and a global network of Data I/O support and service professionals, ensuring success for our customers. Learn more at dataio.com/Company/Patents.

Learn more at dataio.com

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Safe Harbor/Forward Looking Statements, Disclosure Information and Non-GAAP financial Measures

The Company cautions you that statements contained in this press release regarding matters that are not historical facts are forward-looking statements. Such forward-looking statements include, but are not limited to, preliminary financial results which are subject to completion and auditor review and the timing of the release of financial statements and conference call, and any such forward-looking statements involving risks, assumptions and uncertainties. Statements in this news release may be construed as a prediction of future operations and performance or events are forward-looking statements which involve known and unknown risks, uncertainties and other factors which may cause actual results to differ materially from those expressed or implied by such statements.

Forward-looking statement disclaimers also apply to the timing and contributions of acquisitions, acquisition synergies, the demand for the Company’s products, the impact from geopolitical conditions including any related international trade restrictions, and cybersecurity incidents and the possibility that the Company’s containment and remediation efforts may be unsuccessful or becomes a challenging force in maintaining market share. Factors that may impact the Company’s operations and finances include uncertainties as to the ability to record revenues based upon the timing of product deliveries, market acceptance of

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PRESS RELEASE

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EXHIBIT 99.0

Data I/O Reports First Quarter 2026 Results

Strategic Progress Accelerated with Transformational Acquisition and Launch of The NEW Data I/O, Including New Programming-as-a-Service Revenue Model

Second Quarter Revenue Guidance for Approximately 20% Sequential Growth from First Quarter

Redmond, WA – May 14, 2026 -- Data I/O Corporation (NASDAQ: DAIO), the leading global provider of data programming and security provisioning solutions for microcontrollers, security ICs and memory devices, today announced financial results for the first quarter ended March 31, 2026.

First Quarter 2026 and Recent Highlights

· Transformational acquisition announced

· $9 million direct investment strengthens balance sheet

· Bookings of $4.2 million increase sequentially and from prior year period

· Operating expenses excluding 1x items declines sequentially and from prior year period

· Operating loss declines sequentially excluding 1x items

· Operating expense optimizations implemented since beginning of 2026 total reduction of approximately $1.8 million annual run rate

· Introduction of The NEW Data I/O -- Phase One of a broader digital roadmap; new website

· Launched on-site Programming-as-a-Service (PaaS)

2026 Business Framework

Following significant progress with the Company’s strategic plan and the transformational acquisition, Data I/O is providing an update to its business framework for 2026 and is addressing its second quarter results.  The update is solely based on organic growth and the consolidation of anticipated results for the acquisition in the second half of 2026, assuming the closing occurs after June 30, 2026.  Additional inorganic initiatives may be incremental to the framework provided herein.

· Organic revenue growth for 2026 over 2025

· Second quarter 2026 revenue guidance of $5.0-5.4 million, implying a minimum of approximately 20% sequential growth from the first quarter which includes delayed first quarter sales

· Acceleration of re-occuring and other services revenues

· Entry into Programming Services market

· Operational optimizations driving improved gross margins

· Expense reductions of an additional $1 million run rate beyond the benefit of previously implemented structural and operational cost improvements

· AI deeply engrained across all functional departments

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Management Comments

Commenting on the financial results for the first quarter ended March 31, 2026 and recent developments, William Wentworth, President and CEO of Data I/O Corporation, said, “After nearly a year of strategic planning and organizational optimization, we are extraordinarily excited to have announced a transformational acquisition and major direct investment in the company. The acquisition, valued at $23 million, is expected to be completed by the end of the third quarter and will nearly double our revenues on an annual basis. More importantly, the acquisition checks every significant strategic box we’ve been talking about for the past year that is needed to position Data I/O at the forefront of the device programming industry and expands our addressable market beyond $1 billion annually.

“The acquisition will provide Data I/O with unprecedented scale and is expected to be accretive to our consolidated profit and cash flow. We are acquiring the business from its private equity ownership who expressed confidence in the value of the combined business by taking approximately 15% of the purchase price in Data I/O stock. Our progress and strategic growth plan were further validated through a $9 million direct investment by a single institutional investor who will become our single largest shareholder.

“Beyond these two monumental corporate developments, Data I/O’s first quarter performance reflects a business transition gaining traction on an organic basis. Costs are coming down, customer activity is building, and we are executing against a plan that is tracking nearly one year ahead of schedule. Revenue of $3.3 million and continued negative Adjusted EBITDA are consistent with where we are in the recovery curve. What gives us confidence in the trajectory is the demand environment: customer engagement at the end of 2025 carried through the first three months of 2026 and into the second quarter, with increasing urgency around Edge AI infrastructure build-outs and security provisioning requirements. As we continue to successfully implement new sales models for broader diversification of our business, we expect this to translate into meaningfully higher revenue as we move through the year.

“The structural work of our planned transition is nearing completion. Our German operations were modified early in the first quarter for operational efficiency and to reflect a more diversified global organizational framework which is expected to lead to an approximate reduction in operating expenses of $1 million annually. This was a proactive and delibe

daio_8k.htm00003519988-KfalseWA00003519982026-02-262026-02-26iso4217:USDxbrli:sharesiso4217:USDxbrli:shares

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): February 26, 2026

Data I/O Corporation

(Exact name of registrant as specified in its charter)

Washington

0-10394

91-0864123

(State or other jurisdiction of incorporation)

(Commission File Number)

(IRS Employer Identification No.)

6645 185th Ave. N.E., Suite 100, Redmond, WA 98052

(Address of principal executive offices, including zip code)

(425) 881-6444

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered

Common Stock

DAIO

NASDAQ

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).   Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act ☐

Items reported in this filing:

Item 2.02 Results of Operation and Financial Condition Item 9.01 Financial Statements and Exhibits

Item 2.02 Results of Operation and Financial Condition

A press release announcing fourth quarter 2025 results was made February 26, 2026 and a copy of the release is being furnished as Exhibit 99.0 in this current report.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

Exhibit No.

Description

99.0

Press Release: Data I/O Reports Fourth Quarter 2025 Results

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Data I/O Corporation

February 27, 2026 By: /s/ Charles J. DiBona

Charles J. DiBona

Vice President and Chief Financial Officer

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