ONE STOP SYSTEMS, INC.

One Stop Systems, Inc. stockholders approved an amendment to the 2017 Equity Incentive Plan, increasing authorized shares from 5,000,000 to 7,000,000 at the Annual Meeting on May 13, 2026. Stockholders also elected five directors, ratified Haskell & White LLP as the independent auditor for 2026, and approved, on a non-binding advisory basis, the compensation of named executive officers. All proposals presented at the meeting were approved.

One Stop Systems, Inc. announced it will showcase its rugged high-performance compute (HPC) solutions for artificial intelligence (AI) and machine learning (ML) at Special Operations Forces Week from May 19-21, 2026. The company will demonstrate mission-ready products and integrated solutions designed for modern warfighters, including 1U fully immersive servers and reduced size, weight, and power (SWaP) embedded solutions for demanding environments. OSS will feature integrated technology partners Latent AI, Maris Technologies, and Tauro Tech at its booth, highlighting collaborative efforts in edge AI, sensor fusion, and tactical compute capabilities.

One Stop Systems reported strong first-quarter 2026 financial results, with revenue from continuing operations increasing 55.0% year-over-year to $8.1 million and gross margin expanding by 610 basis points to 51.6%. The company achieved a Q1 book-to-bill ratio of 1.8x and generated $4.0 million in net cash from continuing operating activities. For the full year 2026, OSS expects revenue growth of 20% to 25% and positive EBITDA.

One Stop Systems, Inc. reported a significant improvement in its first quarter 2026 financial results, with revenue increasing to $8.07 million and net loss narrowing to $(0.52) million. This compares favorably to Q1 2025 figures of $5.21 million revenue and a net loss of $(2.02) million. The company also highlighted its strategic shift following the divestment of its German subsidiary in late 2025, now focusing on high-performance edge computing solutions for military and defense sectors.

One Stop Systems, Inc. (OSS) announced it will release its first quarter 2026 financial results before the market opens on Wednesday, May 6, 2026. The company will host a webcast and conference call on the same day at 10:00 a.m. ET to discuss the results. A replay of the call will be available after 1:00 p.m. ET on May 6, 2026, through May 20, 2026.

One Stop Systems, Inc. (OSS) will showcase its specialized high-performance AI computing solutions at The Navy League's Sea-Air-Space Exposition from April 19-22, 2026. The company aims to engage with current and potential defense customers, highlighting its Enterprise Class compute applications already deployed in critical defense systems like the U.S. Navy P-8 aircraft and Virginia class submarine. This participation underscores OSS's continued focus on expanding its presence in the defense sector.

One Stop Systems, Inc. announced that it issued a letter to its stockholders on April 15, 2026. The letter, from CEO Michael Knowles and Chairman Mitch Herbets, reviewed the company's achievements during 2025 and provided an outline of expectations for 2026. This communication was furnished as Exhibit 99.1 to the current report.

One Stop Systems, Inc. (OSS) announced an initial purchase order exceeding $500,000 from a renewable-energy technology company. This order is for rugged AI compute payloads for autonomous energy systems, with follow-on orders anticipated to surpass $1 million annually and potentially reach $10 million over five years. The deal expands OSS's commercial customer base in high-growth verticals and is expected to begin delivery and deployment in Q2 2026.