Seer Files Investor Presentation Highlighting Strong Momentum, Commercial Opportunity and Significant Long-Term Value Creation Potential

Seer is Delivering Clear Progress Against its Strategic Plan and Maintaining Focus on Cost Discipline, Governance Rigor and Product Innovation

Highly Qualified, Independent and Accountable Board Has Taken Decisive Action to Advance Stockholders’ Best Interests

Board Urges Stockholders to Vote “FOR” ONLY Seer’s Director Nominees on the BLUE Proxy Card

REDWOOD CITY, Calif., July 06, 2026 (GLOBE NEWSWIRE) -- Seer, Inc. (Nasdaq: SEER) (“Seer” or the “Company”) today filed an investor presentation with the U.S. Securities and Exchange Commission in connection with its upcoming Annual Meeting of Stockholders (the “Annual Meeting”) to be held on July 28, 2026. Stockholders as of May 29, 2026 will be entitled to vote at the Annual Meeting.

Highlights of the presentation include:

The Board unanimously recommends that stockholders vote today using the BLUE proxy card “FOR” the election of each of Seer’s seven highly qualified director nominees: Omid Farokhzad, M.D., Meeta Gulyani, Robert Langer, Sc.D., Terrance McGuire, Dipchand (Deep) Nishar, Isaac Ro and Nicolas Roelofs, Ph.D.

If you have any questions or require any assistance with voting your shares, please call:

Innisfree M&A Incorporated

Stockholders may call toll free: (877) 456-3524

Advisors

Perella Weinberg Partners LP is serving as financial advisor to Seer and Wilson Sonsini Goodrich & Rosati, Professional Corporation is serving as legal counsel.

About Seer, Inc.

Seer, Inc. (Nasdaq: SEER) sets the standard in deep, unbiased proteomics, delivering insights with a scale, speed, precision and reproducibility previously unattainable. Seer’s Proteograph ® Product Suite integrates proprietary engineered nanoparticles, streamlined automation instrumentation, optimized consumables and advanced analytical software to overcome the limitations of traditional proteomic methods. Seer’s products are for research use only and are not intended for diagnostic procedures. For more information, visit www.seer.bio.

For more information, please email us at pr@seer.bio.

Forward-Looking Statements

This communication contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. Such forward-looking statements are based on Seer’s beliefs and assumptions and on information currently available to it on the date of this press release. Forward-looking statements may involve known and unknown risks, uncertainties, and other factors that may cause Seer’s actual results, performance, or achievements to be materially different from those expressed or implied by the forward-looking statements. These statements include but are not limited to statements regarding Seer’s plans, strategies, expectations, strategic opportunities, research and development initiatives, and prospects. These and other risks are described more fully in Seer’s filings with the Securities and Exchange Commission and other documents that Seer subsequently files with the Securities and Exchange Commission from time to time. Except to the extent required by law, Seer undertakes no obligation to update such statements to reflect events that occur or circumstances that exist after the date on which they were made.

Media Contact:

Patrick Schmidt

pr@seer.bio

Joele Frank, Wilkinson Brimmer Katcher

Eric Brielmann / Joseph Sala

(212) 355-4449

Investor Contact:

Marissa Bych

investor@seer.bio

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1 Source: Canaccord Genuity Initiation of Coverage as of May 4, 2026

2 Based on 2025 cash burn; Cash burn represents cash flow from operations minus net capital expenditure

3 Source: Company filings as of March 31, 2026 and Company data

4 Source: Company Filings, Company Website as of May 13, 2026

5 Source: Seer definitive proxy as of June 3, 2026

6 Total shares outstanding as of May 11, 2026

7 10-Q as of March 31, 2026

8 10-K as of December 31, 2025