DGX

EX-99.1

2 dgx063020268-kex991.htm

EX-99.1

Document

Exhibit 99.1

Quest Diagnostics Reports Second Quarter 2026 Financial Results;

Raises Revenue and EPS Guidance for Full Year 2026

•Second quarter revenues of $3.04 billion, up 10.2% from 2025, with 10.0% organic revenue growth

•Second quarter reported diluted earnings per share ("EPS") of $2.84, up 15.0% from 2025; and adjusted diluted EPS of $3.12, up 19.1% from 2025

•Full year 2026 revenues now expected to be between $11.95 billion and $12.05 billion

•Full year 2026 reported diluted EPS now expected to be between $9.97 and $10.17; and adjusted diluted EPS expected to be between $11.05 and $11.25

SECAUCUS, N.J., July 23, 2026 - Quest Diagnostics Incorporated (NYSE: DGX), a leading provider of diagnostic information services, today announced financial results for the second quarter ended June 30, 2026.

“Our robust top- and bottom-line growth in the second quarter demonstrates focused execution of our strategy to connect people and providers to innovative testing and actionable insights that illuminate paths for better health,” said Jim Davis, Chairman, CEO and President. “Revenues increased by over 10%, almost all from organic revenue growth across our physician, hospital and consumer channels, and adjusted diluted EPS grew over 19%. With strong growth and sustained demand for our diagnostic insights, we are again raising our full year guidance.”

Recent Highlights:

Serving Customers and Delivering Innovations

•Continued to advance our Co-Lab Solutions implementation and joint venture laboratory with Corewell Health in Michigan and developed new capabilities in kidney care through our collaboration with Fresenius Medical Care in the United States.

•Generated robust revenue growth through questhealth.com and our consumer, wearable and wellness partners.

•Grew revenues by double-digits in several areas of Advanced Diagnostics, including Quest AD-Detect® blood tests for Alzheimer’s disease and advanced cardiometabolic and endocrine tests, including liver fibrosis testing.

•Granted New York State approval for our Haystack MRD® test and became the largest reference lab to utilize Flatiron Health's OncoEMR® Molecular Profiling Integration (MPI) platform for select cancer tests, including Haystack MRD, starting with a pilot with American Oncology Network (AON).

Driving Operational Excellence

•In the lab, extended automation solutions to improve quality and productivity in cervical cancer screening and front-end specimen processing to additional labs.

•Outside the lab, launched IntelliDraw™ to guide clinical staff of our physician customers through specimen collection, to enhance quality and the service experience.

1

Three Months Ended June 30,Six Months Ended June 30,

20262025Change20262025Change

(dollars in millions, except per share data)

Reported:

Net revenues$3,043 $2,761 10.2 %$5,938 $5,413 9.7 %

Diagnostic Information Services revenues$2,978 $2,699 10.3 %$5,810 $5,288 9.9 %

Revenue per requisition(2.8)%(2.1)%

Requisition volume13.1 %12.0 %

Organic requisition volume13.0 %11.9 %

Operating income (a)$459 $438 4.6 %$858 $784 9.4 %

Operating income as a percentage of net revenues (a)15.1 %15.9 %(0.8)%14.4 %14.5 %(0.1)%

Net income attributable to Quest Diagnostics (a)$320 $282 13.4 %$572 $502 13.9 %

Diluted EPS (a)$2.84 $2.47 15.0 %$5.08 $4.41 15.2 %

Cash provided by operations $597 $544 9.7 %$875 $858 1.9 %

Capital expenditures$138 $108 27.0 %$252 $225 12.1 %

Adjusted (a):

Operating income$502 $466 7.8 %$949 $872 8.8 %

Operating income as a percentage of net revenues16.5 %16.9 %(0.4)%16.0 %16.1 %(0.1)%

Net income attributable to Quest Diagnostics$350 $298 17.3 %$631 $549 14.9 %

Diluted EPS$3.12 $2.62 19.1 %$5.62 $4.83 16.4 %

(a)For further details impacting the year-over-year comparisons related to operating income, operating income as a percentage of net revenues, net income attributable to Quest Diagnostics, and diluted EPS, see note 2 of the financial tables attached below.

Updated Guidance for Full Year 2026

The company updates its full year 2026 guidance as follows:

Updated GuidancePrior Guidance

LowHighLowHigh

Net revenues$11.95 billion$12.05 billion$11.78 billion$11.90 billion

Net revenues increase8.3%9.2%6.8%7.8%

Reported diluted EPS$9.97$10.17$9.58$9.78

Adjusted diluted EPS$11.05$11.25$10.63$10.83

Cash provided by operationsApproximately $1.80 billionApproximately $1.75 billion

Capital expenditures  Approximately $550 millionApproximately $550 million

Based on the favorable resolution of various tax contingencies in the second quarter, the full year adjusted effective tax rate is expected to be consistent with 2025.

Note on Non-GAAP Financial Measures

As used in this press release the term “reported” refers to measures under accounting principles generally accepted in the United States (“GAAP”). The term “adjusted” refers to non-GAAP operating performance measures that exclude special items such as res

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dgx-202602100001022079false00010220792026-02-102026-02-10

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of Earliest Event Reported): February 10, 2026

Quest Diagnostics Incorporated (Exact Name of Registrant as Specified in Its Charter)

Delaware (State or other jurisdiction of incorporation)

001-1221516-1387862 (Commission File Number)(I.R.S. Employer Identification No.)

500 Plaza Drive Secaucus, NJ07094 (Address of principal executive offices)(Zip Code)

(973)520-2700 (Registrant's telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common Stock, $0.01 Par ValueDGXNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition

On February 10, 2026, Quest Diagnostics Incorporated (the "Company") issued a press release announcing, among other things, its results for the quarter and full year ended December 31, 2025. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference herein.

Item 8.01. Other Events

On February 10, 2026, the Company issued a press release announcing that the Company's Board of Directors authorized the Company to repurchase an additional $1 billion of the Company's common stock as part of the Company's common stock repurchase program and increased the quarterly dividend from $0.80 to $0.86 per share. The 7.5% increase in the quarterly dividend is effective with the dividend payable on April 20, 2026 to shareholders of record of the Company’s common stock on April 6, 2026. A copy of the press release is attached hereto as Exhibit 99.2 and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits

d. Exhibit

99.1Press release of Quest Diagnostics Incorporated dated February 10, 2026 announcing, among other things, its results for the quarter and full year ended December 31, 2025.

99.2Press release of Quest Diagnostics Incorporated dated February 10, 2026, announcing the increase in its quarterly dividend and the increase in its share repurchase authorization.

104The cover page from this current report on Form 8-K, formatted in Inline XBRL.

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

February 10, 2026

QUEST DIAGNOSTICS INCORPORATED

By:/s/ Sean D. Mersten Sean D. Mersten Vice President and Corporate Secretary