Grew Testing Services Volume to Approximately 49,500, Increase of 13% Year-Over-Year

AlloSure Kidney Testing Volumes Grew Nearly 20% Year-Over-Year

Narrows Full Year 2025 Revenue Guidance to $367 Million to $373 Million

CareDx, Inc. (Nasdaq: CDNA) — The Transplant Company - a leading precision medicine company focused on the discovery, development and commercialization of clinically differentiated, high-value healthcare solutions for transplant patients and caregivers, today reported financial results for the second quarter ended June 30, 2025.

Second Quarter 2025 Financial Highlights

• Reported revenue of $86.7 million including a $3.8 million write-off of aged receivables associated with tests performed in prior periods
• Adjusted revenue of $90.5 million, an increase of 14% year-over-year
• GAAP testing services revenue of $62.0 million, a decrease of 13% year-over-year
• Adjusted testing services revenue of $65.9 million, an increase of 14% year-over-year
• Testing services volume of 49,500, an increase of 13% year-over-year
• GAAP net loss of $8.6 million, compared to a GAAP net loss of $4.6 million in the second quarter of 2024
• Non-GAAP net income of $5.6 million, compared to $13.6 million in the second quarter of 2024
• Adjusted EBITDA gain of $9.1 million, excluding a $3.8 million write-off of aged receivables, compared to a loss of $0.3 million in the second quarter of 2024, excluding revenue from tests performed in prior periods
• Cash, cash equivalents and marketable securities of $186 million as of June 30, 2025, net of a $50 million share repurchase carried out during the quarter; no debt as of June 30, 2025
• Narrowed full-year 2025 revenue guidance to $367 million to $373 million

Recent Business Highlights

• Eighth consecutive quarter of sequential growth in testing services volumes
• First Kidney Allograft Outcomes AlloSure Registry (“KOAR”) manuscript published in The American Journal of Transplantation
• Draft LCD affirms surveillance testing coverage for solid organ transplant rejection; The Company intends to comment on aspects of the draft LCD during the open comment period, which ends August 31, 2025
• Launched Increasing Organ Transplant Access ("IOTA") tool in XynQAPI® to help transplant centers track performance under CMS's IOTA model ahead of July 1, 2025, activation date
• Leading presence with 40 abstracts and 12 oral presentations at 2025 World Transplant Congress in San Francisco, CA
• Launched AlloSure® Plus (formerly AlloView®), an AI-driven diagnostic platform that combines AlloSure® donor-derived cell-free DNA (dd-cfDNA) analysis with established clinical methods to improve prediction of rejection
• Successfully installed EPIC environment at CareDx and initiated multiple customer pilots in the third quarter

“CareDx had a strong second quarter. Volume growth accelerated, led by AlloSure kidney testing which was up nearly 20% year-over-year. Our cash collections also improved considerably, and coupled with financial discipline, contributed to a substantial adjusted EBITDA improvement,” said John W. Hanna, CareDx President and CEO. “We had an exceptional showing at the World Transplant Congress where data supporting the use of AlloSure Kidney was highlighted in large, prospective, multi-center studies as being the most significant biomarker for detecting organ rejection. Our evidence and differentiated products, including the launch of AlloSure Plus, are setting us apart as the leader in transplant care.”

Q2 2025 Financial Results

Total revenue was $86.7 million compared to $92.3 million in the second quarter of 2024, down 6%. Adjusted revenue was $90.5 million, up 14% compared to $79.1 million in the second quarter of 2024, excluding a negative $3.8 million adjustment and a positive $13.2 million adjustment, respectively, related to revenue from tests performed in prior periods.

Testing services revenue was $62.0 million, compared to $70.9 million in the second quarter of 2024, a decrease of 13%. Adjusted testing services revenue was $65.9 million, up 14% compared to adjusted testing services revenue of $57.7 million in the second quarter of 2024, excluding a negative $3.8 million adjustment and a positive $13.2 million adjustment, respectively, related to revenue from tests performed in prior periods.

Patient and Digital Solutions revenue was $12.8 million, an increase of 19% compared to $10.7 million in the second quarter of 2024.

Product revenue was $11.8 million, an increase of 12% compared to $10.6 million in the second quarter of 2024.

GAAP net loss was $8.6 million compared to $4.6 million in the second quarter 2024. Basic and diluted GAAP net loss per share was $0.16 compared to $0.09 in the second quarter of 2024.

Non-GAAP net income was $5.6 million compared to $13.6 million in the second quarter of 2024. Diluted non-GAAP net income per share was $0.10 compared to $0.25 in the second quarter of 2024.

Adjusted EBITDA gain was $9.1 million compared to an adjusted EBITDA loss of ($0.3) million in the second quarter of 2024, excluding a negative $3.8 million adjustment and a positive $13.2 million adjustment, respectively, related to revenue from tests performed in prior periods.

2025 Guidance

For the full year 2025, CareDx now expects revenue to be in the range of $367 million to $373 million, compared to the $365 million to $375 million range that was previously disclosed. The Company continues to expect full year 2025 adjusted EBITDA to be in the range of $29 million to $33 million.

About CareDx – The Transplant Company

CareDx, Inc., headquartered in Brisbane, California, is a leading precision medicine solutions company focused on the discovery, development, and commercialization of clinically differentiated, high-value healthcare solutions for transplant patients and caregivers. CareDx offers testing services, products, and digital healthcare solutions along the pre- and post-transplant patient journey and is the leading provider of genomics-based information for transplant patients. For more information, please visit: www.CareDx.com.

Forward Looking Statements

This press release includes forward-looking statements, including expectations regarding the achievement of CareDx’s financial and operational goals and its expectations and prospects for 2025. These forward-looking statements are based upon information that is currently available to CareDx and its current expectations, speak only as of the date hereof, and are subject to numerous risks and uncertainties, all of which are difficult to predict and many of which are beyond CareDx’s control, that could cause the actual results to differ materially from those projected, including general economic and market factors, and global economic and marketplace uncertainties, among others discussed in CareDx’s filings with the Securities and Exchange Commission (the “SEC”), including, but not limited to, the Annual Report on Form 10-K for the fiscal year ended December 31, 2024 filed by CareDx with the SEC on February 28, 2025, and other reports that CareDx has filed with the SEC. Any of these may cause CareDx’s actual results, performance, or achievements to differ materially and adversely from those anticipated or implied by CareDx’s forward-looking statements. You are cautioned not to place undue reliance on these forward-looking statements. CareDx expressly disclaims any obligation, except as required by law, or undertaking to update or revise any such forward-looking statements, whether as a result of new information, future events or otherwise.

Use of Non-GAAP Financial Measures

CareDx has presented in this release certain financial information in accordance with U.S. Generally Accepted Accounting Principles (GAAP) and also on a non-GAAP basis, including non-GAAP adjusted testing services revenue, non-GAAP adjusted revenue, non-GAAP cost of testing services, non-GAAP cost of product, non-GAAP cost of patient and digital solutions, non-GAAP research and development expenses, non-GAAP sales and marketing expenses, non-GAAP general and administrative expenses, non-GAAP other income, net, non-GAAP income tax expense, non-GAAP gross profit, non-GAAP gross margin (%), non-GAAP operating expenses, non-GAAP income tax expense, non-GAAP net income (loss), non-GAAP basic and diluted net income (loss) per share and adjusted EBITDA. These non-GAAP financial measures are not meant to be considered superior to or a substitute for financial measures calculated in accordance with GAAP, and investors are cautioned that there are material limitations associated with the use of non-GAAP financial measures as an analytical tool.

We define non-GAAP net income (loss) and per share results as the GAAP net loss and per share results excluding the impacts of stock-based compensation expense; acquisition-related amortization of purchased intangible assets and related tax effects; costs involved with completing an acquisition; changes in estimated fair value of contingent consideration; litigation settlement expense; transformational initiative costs; and certain other charges presented in the reconciliation in this release. We define adjusted testing services revenue and adjusted revenue as GAAP revenue excluding the impact of revenue from tests performed in prior periods. We define adjusted EBITDA as non-GAAP net income (loss) before interest income, income tax (benefit) expense, depreciation expense and other (income) expense, net and revenue from tests performed in prior periods.

We are presenting these non-GAAP financial measures to assist investors in assessing our operating results through the eyes of management and because we believe that these measures provide an additional tool for investors to use in comparing our core business operating results over multiple periods where certain items may vary independent of business performance. Management believes this non-GAAP information is useful for investors, when considered in conjunction with CareDx’s GAAP financial statements, because management uses such information internally for its operating, budgeting and financial planning purposes. Non-GAAP information is not prepared under a comprehensive set of accounting rules and should only be used to supplement an understanding of CareDx’s operating results as reported under GAAP. These non-GAAP financial measures should not be considered in isolation from, or as a substitute for, financial information prepared in accordance with GAAP. These non-GAAP financial measures are not necessarily comparable to similarly titled measures presented by other companies. A reconciliation between GAAP and non-GAAP financial information is provided immediately following the financial tables. A reconciliation of the forecasted range for adjusted EBITDA for 2025 is not included in this release due to the number of variables in the projected range and because we are currently unable to quantify accurately certain amounts that would be required to be included in the U.S. GAAP measure or the individual adjustments for such reconciliation.

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