Serina Therapeutics Reports Second Quarter 2025 Financial Results and Provides Business Highlights

About this update from Serina Therapeutics, Inc.

HUNTSVILLE, Aug. 11, 2025 (GLOBE NEWSWIRE) -- Serina Therapeutics, Inc. (“Serina”) (NYSE American: SER), a clinical-stage biotechnology company advancing its lead IND candidate, SER-252, for advanced Parkinson's disease, enabled by its proprietary POZ Platform ™ drug optimization technology, today announced its financial results for the second quarter ended June 30, 2025, along with key recent updates. “We’re proud of the momentum we’ve built across our development programs. With SER-252 on track to enter the clinic later this year and the recent advancement of SER-270 for tardive dyskinesia, we are demonstrating how the POZ Platform can enable differentiated, long-acting therapies across neurological conditions with high unmet need,” said Steve Ledger, CEO of Serina Therapeutics. “We believe our proprietary polymer technology can unlock best-in-class treatment profiles and improve patient outcomes in ways not achievable with existing drug delivery approaches." Second Quarter Operating Results Re venues: Revenues were $130 thousand for three months ended June 30, 2025, compared to $51 thousand for the same period in 2024. Revenues were comprised entirely of grant revenues from the National Institutes of Health. Operating expenses: Operating expenses for the three months ended June 30, 2025 and 2024 were $5.7 million and $3.9 million, respectively. Research and Development (R&D) Expenses : R&D expenses were $3.2 million for the three months ended June 30, 2025, compared to $1.6 million for the same period in 2024. The increase of $1.6 million is primarily driven by increases in outside research services, consultant spend for research programs and a increase in salaries, payroll related expenses and stock based compensation as a result of increased headcount. These increases were partially offset by decreases in professional fees for the maintenance of certain patent and other intellectual property and biological material assets included in Legacy Assets and severance related costs. General and Administrative Expenses: General and administrative expenses were $2.5 million for the three months ended June 30, 2025, compared to $2.3 million for the same period in 2024. The increase of $0.2 million is due primarily to increases of stock based compensation expenses as a result new option grants, and financial consulting expenses primarily due to the deployment of new platforms and software. These increases were partially offset by a decrease in legal fees primarily as the result of the conclusion of our post-merger compliance and reporting activities. Other (Expense) Income, Net: Other expense, net was $0.9 million for the three months ended June 30, 2025 compared to $9.0 million net income for the same period in 2024. The $9.9 million increase in expenses was primarily attributable $10.3 million change in fair value of liability classified warrants, offset by the decrease of $0.3 million in interest expense. Net (Loss) Income: The net loss attributable to Serina for the three months ended June 30, 2025 was $6.4 million, or $(0.66) per basic and diluted share, compared to net income of $5.2 million, or $0.61 per basic share and $0.51 per diluted share for 2024. Liquidity Information Cash and cash equivalents totaled $6.0 million as of June 30, 2025. The Company projects its cash and cash equivalents as of June 30, 2025 to fund operations into the fourth quarter of 2025. About Serina Therapeutics Serina is a clinical-stage biotechnology company developing a pipeline of wholly owned drug product candidates to treat neurological diseases and other indications. Serina’s POZ Platform ™ provides the potential to improve the integrated efficacy and safety profile of multiple modalities including small molecules, RNA-based therapeutics and antibody-based drug conjugates (ADCs). Serina is headquartered in Huntsville, Alabama on the campus of the HudsonAlpha Institute of Biotechnology. About the POZ Platform ™ Serina’s proprietary POZ technology is based on a synthetic, water soluble, low viscosity polymer called poly(2-oxazoline). Serina’s POZ technology is engineered to provide greater control in drug loading and more precision in the rate of release of attached drugs delivered via subcutaneous injection. The therapeutic agents in Serina’s product candidates are typically well-understood and marketed drugs that are effective but are limited by pharmacokinetic profiles that can include toxicity, side effects and short half-life. Serina believes that by using POZ technology, drugs with narrow therapeutic windows can be designed to maintain more desirable and stable levels in the blood. Serina’s POZ platform delivery technology has potential for use across a broad range of payloads and indications. Serina intends to advance additional applications of the POZ platform via out-licensing, co-development, or other partnership arrangements, including the non-exclusive license agreement with Pfizer, Inc. to use Serina’s POZ polymer technology for use in lipid nanoparticle drug (LNP) delivery formulations. About SER-252 (POZ-apomorphine) SER 252 is an investigational apomorphine therapy developed with Serina’s POZ platform and designed to provide continuous dopaminergic stimulation (CDS). CDS has been shown to reduce the severity of levodopa-related motor complications (dyskinesia) in Parkinson’s disease. Preclinical studies support the potential of SER 252 to provide CDS without skin reactions. Serina plans to advance SER 252 to clinical testing in 2025. About SER-270 (POZ-VMAT2i) SER-270 is an investigational once-weekly VMAT2 inhibitor developed with Serina’s POZ platform to address adherence and access challenges in tardive dyskinesia (TD). TD is a disabling movement disorder often caused by long-term exposure to antipsychotic medications. The subcutaneous formulation of SER-270 is designed for patients on long-acting injectable antipsychotics, those with dysphagia, and institutionalized populations and other patients with challenged adherence. Serina is also exploring development in Huntington’s disease chorea. For more information, please visit https://serinatherapeutics.com . Cautionary Statement Regarding Forward-Looking Statement References in this Report to “Serina,” “the Company,” “we” or “us” refer to Serina Therapeutics, Inc. This release contains forward-looking statements within the meaning of federal securities laws. Any statements that are not historical fact (including, but not limited to statements that contain words such as “may,” “will,” “believes,” “plans,” “intends,” “anticipates,” “expects,” “estimates”) should also be considered to be forward-looking statements. Additional factors that could cause actual results to differ materially from the results anticipated in these forward-looking statements are contained in Serina’s periodic reports filed with the Securities and Exchange Commission (the “SEC”) under the heading “Risk Factors” and other filings that Serina may make with the SEC. Undue reliance should not be placed on these forward-looking statements which speak only as of the date they are made, and the facts and assumptions underlying these statements may change. Except as required by law, Serina disclaims any intent or obligation to update these forward-looking statements. These statements are based on management’s current expectations, plans, beliefs or forecasts for the future, and are subject to uncertainty and changes in circumstances. Any express or implied statements in this press release that are not statements of historical fact, including statements about the potential of Serina’s POZ polymer technology, Serina’s estimates regarding future revenue, expenses, capital requirements and need for additional financing, the sufficiency of Serina’s existing cash and cash equivalents to support operations into the fourth quarter of 2025, and Serina’s planned clinical programs, including planned clinical trials, are forward-looking statements that involve substantial risks and uncertainties that could cause actual results to differ materially from those expressed or implied by such statements. Risks and uncertainties include, among other things, the uncertainties inherent in research and development, including the ability to meet anticipated clinical endpoints, commencement and/or completion dates for clinical trials, regulatory submission dates, regulatory approval dates and/or launch dates, as well as the possibility of unfavorable new clinical data and further analyses of existing clinical data; Serina’s ability to continue as a going concern; the risk that clinical trial data are subject to differing interpretations and assessments by regulatory authorities; whether regulatory authorities will be satisfied with the design of and results from our clinical studies; whether and when any applications may be filed for any drug or vaccine candidates in any jurisdictions; whether and when regulatory authorities may approve any potential applications that may be filed for any drug or vaccine candidates in any jurisdictions, which will depend on a myriad of factors, including making a determination as to whether the product’s benefits outweigh its known risks and determination of the product’s efficacy and, if approved, whether any such drug or vaccine candidates will be commercially successful; decisions by regulatory authorities impacting labeling, manufacturing processes, safety and/or other matters that could affect the availability or commercial potential of any drug or vaccine candidates; and competitive developments. These risks as well as other risks are more fully discussed in the company’s Annual Report on Form 10-K for the year ended December 31, 2024, and the company’s other periodic reports and documents filed from time to time with the SEC. The information contained in this release is as of the date hereof, and Serina assumes no obligation to update forward-looking statements contained in this release as the result of new information or future events or developments. For inquiries, please contact: Stefan Riley [email protected] (256) 327-9630 SERINA THERAPEUTICS, INC. CONDENSED CONSOLIDATED BALANCE SHEETS (in thousands) (Unaudited) SERINA THERAPEUTICS, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (in thousands, except per share data) (unaudited) SERINA THERAPEUTICS, INC. CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (in thousands) (unaudited)

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