64Mb xSPI STT-MRAM Completes Production Qualification; 128Mb and 256Mb xSPI STT-MRAM Advancing Through Final Qualification Phases

Everspin Technologies, Inc. (NASDAQ: MRAM), the world’s leading developer and manufacturer of magnetoresistive random access memory (MRAM) persistent memory solutions, today announced continued progress across its high-reliability (HR) PERSYST xSPI STT-MRAM portfolio, including the completion of full production qualification for its 64Mb MRAM and the expansion of the family to a new 256Mb density.

The HR 64Mb xSPI STT-MRAM has now completed full production qualification for the AEC-Q100 Grade 1 specification. It is currently available for customer orders and supports high-volume production programs, with inventory available through Everspin’s authorized distributors worldwide.

The 128Mb xSPI STT-MRAM is expected to complete production qualification in May 2026, and a new 256Mb option is scheduled to complete full production qualification in July 2026, with volume availability expected in the second half of 2026.

“Advancing our high-reliability product family through production qualification and expanding density options reflects steady progress against our technology roadmap,” said Sanjeev Aggarwal, president and CEO of Everspin Technologies. “Customers designing long-lifecycle systems require validated memory solutions with predictable performance, and we are extending the PERSYST platform to meet those needs across a wider range of densities.”

The addition of the 256Mb density enables higher-capacity persistent memory designs within the same xSPI-based architecture. Together with the 64Mb and 128Mb xSPI STT-MRAM products, the expanded Hi-Rel portfolio provides scalable options for applications operating across extended temperature ranges and demanding reliability environments.

“Production qualification provides the level of confidence required for space and satellite programs moving into long-term deployment,” said Billy Wahng, Chief Technology Officer at Astro Digital. “Everspin’s focus on endurance, data integrity and radiation tolerance addresses the challenges of operating in unpredictable environments.”

These milestones represent continued execution of Everspin’s roadmap to broaden its HR MRAM portfolio for aerospace, defense, automotive, industrial and other mission-critical applications.

For more information about Everspin’s MRAM solutions, visit www.everspin.com.

About Everspin Technologies

Everspin Technologies, Inc. (NASDAQ: MRAM) is the world’s leading provider of magnetoresistive RAM (MRAM). Everspin MRAM delivers robust, high-performance non-volatile memory for industrial, automotive, aerospace and other mission-critical applications where data persistence is essential. Headquartered in Chandler, Arizona, Everspin provides commercially available MRAM solutions to a large and diverse customer base.

Cautionary Statement Regarding Forward-Looking Statements

This press release contains forward-looking statements regarding future results that involve risks and uncertainties that could cause actual results or events to differ materially from the expectations disclosed in the forward-looking statements. Forward-looking statements are identified by words such as “expects” or similar expressions. Actual results could differ materially from these forward-looking statements as a result of certain risks and uncertainties, including, without limitation, the risks set forth under the caption “Risk Factors” in Everspin’s Annual Report on Form 10-K for the year ended December 31, 2025, filed with the SEC on March 4, 2026, as well as in its subsequent filings with the SEC. Any forward-looking statements made by Everspin in this press release speak only as of the date on which they are made, and subsequent events may cause these expectations to change. Everspin disclaims any obligations to update or alter these forward-looking statements in the future, whether as a result of new information, future events or otherwise, except as required by law.

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