Teradyne Q3 2026 revenue jumps 70% to $1.31B

Teradyne's Q4 2026 outlook spans $1,250 million to $1,350 million in revenue, alongside GAAP and non-GAAP diluted-EPS ranges.

Rhea-AI Filing Summary

Teradyne, Inc. (TER) reported third-quarter 2026 revenue of $1,306 million, up 70% from Q3 2025, and GAAP net income attributable to Teradyne of $342.4 million, or $2.17 per diluted share, versus $119.6 million and $0.75 a year earlier. Results exceeded the high end of Q3 guidance. Non-GAAP net income was $359.9 million, or $2.29 per diluted share, versus $135.9 million and $0.85. Semiconductor Test contributed $1,072 million, Product Test $138 million and Robotics $96 million; Robotics achieved profitability and its highest third-quarter revenue to date. Net cash provided by operating activities was $313.614 million, compared with $49.051 million.

For Q4 2026, Teradyne guided to revenue of $1,250 million to $1,350 million, GAAP net income of $1.88 to $2.18 per diluted share, and non-GAAP net income of $1.95 to $2.25 per diluted share. Q3 non-GAAP results exclude acquired intangible asset amortization, restructuring and other charges, and related tax impacts. Q4 non-GAAP guidance excludes acquired intangible asset amortization, amortization on Teradyne’s investment in Technoprobe, and related tax impacts.

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Positive

• Moderate pointQ3 revenue rose 70%; earnings increased over 150% year over year.
• Moderate pointOperating cash flow was $313.614 million, compared with $49.051 million a year earlier.

Negative

• None.

Filing Explained

At September 27, 2026, Teradyne listed $460,742 thousand in cash and equivalents and no short-term debt, compared with $200,000 thousand at 2025 year-end.

The 8-K furnishes Teradyne’s Q3 results release and records $99,264 thousand of common-stock repurchases and $20,314 thousand of dividend payments as cash outflows during the quarter.

At September 27, 2026, the balance sheet listed $460,742 thousand in cash and equivalents and no short-term debt, compared with $200,000 thousand of short-term debt at December 31, 2025.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

Key Figures

Revenue: $1,306 million GAAP net income attributable to Teradyne: $342.4 million GAAP diluted EPS: $2.17 per diluted share +5 more

8 metrics

Revenue $1,306 million Third quarter 2026; up 70% from Q3 2025

GAAP net income attributable to Teradyne $342.4 million Third quarter 2026; versus $119.6 million in Q3 2025

GAAP diluted EPS $2.17 per diluted share Third quarter 2026; versus $0.75 in Q3 2025

Non-GAAP diluted EPS $2.29 per diluted share Third quarter 2026; versus $0.85 in Q3 2025

Net cash provided by operating activities $313.614 million Quarter ended September 27, 2026; compared with $49.051 million in the prior-year quarter

Q4 revenue guidance $1,250 million to $1,350 million Fourth quarter 2026

Q4 GAAP net income guidance $1.88 to $2.18 per diluted share Fourth quarter 2026

Q4 non-GAAP net income guidance $1.95 to $2.25 per diluted share Fourth quarter 2026

Key Terms

non-GAAP, diluted share, equity method investment, redeemable noncontrolling interests

4 terms

non-GAAP financial

"non-GAAP net income attributable to Teradyne"

Non-GAAP refers to financial measures that companies use to show their earnings or performance without including certain expenses or income that are often added back to give a different picture. It matters because it can make a company's results look better or more favorable, but it may also hide important costs, so investors need to look at both GAAP (official rules) and non-GAAP numbers to get a full understanding.

diluted share financial

"per diluted share"

Diluted share count is the total number of company shares that would exist if all potential claims that can become stock—such as employee stock options, warrants and convertible bonds—were exercised or converted. Investors use diluted shares to see a more conservative view of ownership and per-share metrics (like earnings per share), because it’s like slicing a cake into more pieces: the same profit spread over more slices makes each slice smaller.

equity method investment financial

"Equity method investment"

An equity method investment is an accounting way to report ownership in another company when an investor has significant influence (commonly around 20–50% of voting rights). Instead of listing the other company’s full assets and debts, the investor records its share of that company’s profits or losses on its own income statement—like keeping track of your share of a neighborhood bakery’s monthly earnings. Investors care because those shared profits, losses and changes in the investee’s value directly affect the investor’s reported earnings and balance sheet, so this method can materially change a company’s financial picture and valuation.

redeemable noncontrolling interests financial

"Redeemable noncontrolling interests"

A redeemable noncontrolling interest is a minority ownership stake in a company that the holder can force the company to buy back at a set price or under certain conditions. For investors this matters because it creates a future cash obligation and can be treated more like a liability than permanent equity, affecting a company’s reported debt, net income and valuation — think of it as a part-owner who can cash out, forcing the business to pay them.

Earnings Snapshot

Revenue: $1,306 million · Guidance included

Third quarter 2026

Revenue $1,306 million Up 70% from Q3 2025

GAAP net income attributable to Teradyne $342.4 million Versus $119.6 million in Q3 2025

GAAP diluted EPS $2.17 per diluted share Versus $0.75 in Q3 2025

Non-GAAP diluted EPS $2.29 per diluted share Versus $0.85 in Q3 2025

Guidance

For Q4 2026, revenue of $1,250 million to $1,350 million; GAAP net income attributable to Teradyne of $1.88 to $2.18 per diluted share; and non-GAAP net income attributable to Teradyne of $1.95 to $2.25 per diluted share.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How much revenue did Teradyne (TER) report by segment in Q3 2026?

Semiconductor Test generated $1,072 million, Product Test $138 million, and Robotics $96 million in third-quarter revenue.

What is Teradyne's (TER) Q4 2026 revenue and EPS guidance?

Teradyne guided to revenue of $1,250 million to $1,350 million, GAAP net income of $1.88 to $2.18 per diluted share, and non-GAAP net income of $1.95 to $2.25 per diluted share.

Which areas reported record revenue at Teradyne (TER) in Q3 2026?

Teradyne reported record revenue in Memory and Integrated Systems Test.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/28/2026 - 06:04 AM EDT Accepted by SEC EDGAR 10/28/2026 - 06:00 AM EDT Learn about SEC filing dates

false000009721000000972102026-10-272026-10-27

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 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): October 27, 2026

TERADYNE, INC.

(Exact Name of Registrant as Specified in Charter)

Massachusetts		001-06462		04-2272148
(State or Other Jurisdiction of Incorporation)		(Commission File Number)		(IRS Employer Identification No.)

600 Riverpark Drive, North Reading, MA		01864
(Address of Principal Executive Offices)		(Zip Code)

Registrant’s telephone number, including area code: (978) 370-2700

(Former Name or Former Address, if Changed Since Last Report)

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 class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, par value $0.125 per share		TER		Nasdaq Stock Market LLC

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 October 27, 2026, Teradyne, Inc. (“Teradyne”) issued a press release regarding its financial results for the third quarter ended September 27, 2026. Teradyne’s press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit		Description
99.1		Press Release dated October 27, 2026.
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

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 thereunto duly authorized.

				TERADYNE, INC.
Dated: October 28, 2026				By:		/s/ MICHELLE TURNER
				Name:		Michelle Turner
				Title:		Vice President, Chief Financial Officer and Treasurer

Exhibit 99.1

Teradyne Reports Third Quarter 2026 Results

•Revenue up 70% and earnings up over 150% from Q3'25, exceeding the high end of our Q3 Guidance

•Record revenue in Memory and Integrated Systems Test driven by all things AI

•Robotics delivered its highest third quarter revenue to date and achieved profitability

		Q3'26				Q3'25				Q2'26
Revenue (mil)		$	1,306			$	769			$	1,329
GAAP EPS		$	2.17			$	0.75			$	2.38
Non-GAAP EPS		$	2.29			$	0.85			$	2.47

NORTH READING, Mass. – October 27, 2026 – Teradyne, Inc. (NASDAQ: TER) reported revenue of $1,306 million for the third quarter of 2026 of which $1,072 million was in Semiconductor Test, $138 million in Product Test, and $96 million in Robotics. On a GAAP-basis, net income attributable to Teradyne for the third quarter of 2026 was $342.4 million, or $2.17 per diluted share. On a non-GAAP basis, net income attributable to Teradyne for the third quarter of 2026 was $359.9 million, or $2.29 per diluted share, which excluded acquired intangible asset amortization, restructuring and other charges, and the related tax impact on non-GAAP adjustments.

“Our wafer to data center strategy and the breadth of our portfolio sustained positive momentum in Q3,” said CEO Greg Smith. “Demand extended across the AI value chain, from memory and hard disk drive test to high-speed interconnect and robotics, driving results above the high end of our guidance. With multiple growth engines across test and robotics, we approach 2027 with a more diversified business and an expanding set of opportunities.”

Guidance for the fourth quarter of 2026 is revenue of $1,250 million to $1,350 million, with GAAP net income attributable to Teradyne of $1.88 to $2.18 per diluted share and non-GAAP net income attributable to Teradyne of $1.95 to $2.25 per diluted share. Non-GAAP guidance excludes acquired intangible asset amortization and amortization on our investment in Technoprobe, as well as the related tax impact on non-GAAP adjustments.

Webcast

A conference call to discuss the third quarter results, along with management’s business outlook, will follow at 8:30 a.m. ET, October 28, 2026. Interested investors should access the webcast at www.teradyne.com and click on “Investors” at least five minutes before the call begins. Presentation materials will be available starting at 7:30 a.m. ET. A replay will be available on the Teradyne website at www.teradyne.com/investors.

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Non-GAAP Results

In addition to disclosing results that are determined in accordance with GAAP, Teradyne also discloses non-GAAP results of operations that exclude certain income items and charges. These results are provided as a complement to results provided in accordance with GAAP. Non-GAAP income from operations and non-GAAP net income attributable to Teradyne excludes acquired intangible assets amortization, restructuring and other, ERP related expenses, inventory step-up, pension mark-to-market adjustment, pension actuarial gains and losses, discrete income tax adjustments, and the related tax impact on non-GAAP adjustments. GAAP requires that these items be included in determining income from operations and net income. Non-GAAP income from operations, non-GAAP net income, non-GAAP income from operations as a percentage of revenue, non-GAAP net income as a percentage of revenue, and non-GAAP net income per share are non-GAAP performance measures presented to provide meaningful supplemental information regarding Teradyne’s baseline performance before gains, losses or other charges that may not be indicative of Teradyne’s current core business or future outlook. These non-GAAP performance measures are used to make operational decisions, to determine employee compensation, to forecast future operational results, and for comparison with Teradyne’s business plan, historical operating results and the operating results of Teradyne’s competitors. Management believes each of these non-GAAP performance measures provides useful supplemental information for investors, allowing greater transparency to the information used by management in its operational decision making and in the review of Teradyne’s financial and operational performance, as well as facilitating meaningful comparisons of Teradyne’s results in the current period compared with those in prior and future periods. A reconciliation of each available GAAP to non-GAAP financial measure discussed in this press release is contained in the attached exhibits and on the Teradyne website at www.teradyne.com by clicking on “Investor Relations” and then selecting “Financials” and the “GAAP to Non-GAAP Reconciliation” link. The non-GAAP performance measures discussed in this press release may not be comparable to similarly titled measures used by other companies. The presentation of non-GAAP measures is not meant to be considered in isolation, as a substitute for, or superior to, financial measures or information provided in accordance with GAAP.

About Teradyne

Teradyne (NASDAQ:TER) designs, develops, and manufactures automated test equipment and advanced robotics systems. Its test solutions for semiconductors and electronics products enable Teradyne's customers to consistently deliver on their quality standards. Its advanced robotics business includes collaborative robots and mobile robots that support manufacturing and warehouse operations for companies of all sizes. For more information, visit teradyne.com. Teradyne® is a registered trademark of Teradyne, Inc., in the U.S. and other countries.

Safe Harbor Statement

This release contains forward-looking statements including statements regarding Teradyne’s future business prospects, financial performance or position and results of operations. You can identify forward-looking statements by their use of forward-looking words such as “anticipate,” “expect,” “plan,” “could,” “may,” “will,” “believe,” “estimate,” “goal” or other comparable terms. Forward-looking statements in this press release address various matters, including statements regarding Teradyne’s financial guidance. Investors are cautioned that such forward-looking statements involve risks and uncertainties that could cause actual results to differ materially from the forward-looking statements due to known and unknown risks, uncertainties, assumptions, and other factors. Such factors include, but are not limited to, macroeconomic factors and slowdowns or downturns in economic conditions generally and in the markets in which Teradyne operates; decreased or delayed product demand from one or more significant customers; a slowdown or inability in the development, delivery and acceptance of new products; the ability to grow the Robotics business; the impact of increased research and development spending; the impact of epidemics or pandemics; the impact of a supply shortage on our supply chain and contract manufacturers; the consummation and success of any mergers or acquisitions; unexpected cash needs; the business judgment of the board of directors that a declaration of a dividend or the repurchase of common stock is not in Teradyne’s best interests; changes to U.S. or global tax regulations or guidance; the impact of any tariffs or export controls imposed by the U.S. or China; the impact of U.S. Department of Commerce or other government agency regulations relating to Huawei, HiSilicon and other customers or potential customers; the impact of U.S. Department of Commerce export control regulations for certain U.S. products and technology sold to military end users or for military end-use

Page 3

in China; the impact of the current or future geopolitical conflicts; the impact of regulations published by the U.S. Department of Commerce relating to semiconductors and semiconductor manufacturing equipment destined for certain end uses in China.

The risks included above are not exhaustive. For a more detailed description of the risk factors associated with Teradyne, please refer to Teradyne’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025. Many of these factors are macroeconomic in nature and are, therefore, beyond Teradyne’s control. We caution readers not to place undue reliance on any forward-looking statements included in this press release which speak only as to the date of this press release. Teradyne specifically disclaims any obligation to update any forward-looking information contained in this press release or with respect to the announcements described herein.

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TERADYNE, INC. REPORT FOR THIRD FISCAL QUARTER OF 2026

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (In thousands)

		Quarter Ended												Nine Months Ended
		September 27, 2026				June 28, 2026				September 28, 2025				September 27, 2026				September 28, 2025
Net revenues		$	1,305,950			$	1,328,990			$	769,210			$	3,917,434			$	2,106,687
Cost of revenues (exclusive of acquired intangible assets amortization shown separately below) (1)			534,674				534,372				319,904				1,570,588				869,032
Gross profit			771,276				794,618				449,306				2,346,846				1,237,655
Operating expenses:
Selling and administrative (2)			198,968				192,520				169,144				558,224				484,182
Engineering and development			163,092				156,284				124,760				454,938				361,331
Acquired intangible assets amortization			5,251				4,972				3,514				12,447				11,820
Restructuring and other (3)			1,997				3,032				6,585				8,455				23,472
Operating expenses			369,308				356,808				304,003				1,034,064				880,805
Income from operations			401,968				437,810				145,303				1,312,782				356,850
Interest and other (income) expense (4)			(2,323	)			(5,809	)			(2,797	)			(806	)			(6,834	)
Income before income taxes			404,291				443,619				148,100				1,313,588				363,684
Income tax provision			59,833				66,788				23,344				188,778				50,148
Income before equity in net earnings of affiliate		$	344,458			$	376,831			$	124,756			$	1,124,810			$	313,536
Equity in net earnings of affiliate			3,281				(1,946	)			(5,198	)			(3,277	)			(16,709	)
Consolidated net income			347,739				374,885				119,558				1,121,533				296,827
Less: Net income attributable to noncontrolling interests			5,332				352				—				5,684				—
Net income attributable to Teradyne		$	342,407			$	374,533			$	119,558			$	1,115,849			$	296,827
Earnings per common share attributable to Teradyne
Basic		$	2.19			$	2.39			$	0.75			$	7.14			$	1.85
Diluted		$	2.17			$	2.38			$	0.75			$	7.08			$	1.85
Weighted average common shares - basic			156,262				156,470				158,595				156,381				160,021
Weighted average common shares - diluted			157,502				157,693				159,097				157,610				160,409
Cash dividend declared per common share		$	0.13			$	0.13			$	0.12			$	0.39			$	0.36

(1)Cost of revenues includes:

		Quarter Ended												Nine Months Ended
		September 27, 2026				June 28, 2026				September 28, 2025				September 27, 2026				September 28, 2025
Provision for excess and obsolete inventory		$	10,932			$	3,599			$	6,829			$	19,213			$	19,175
Inventory step-up			—				—				351				118				910
Sale of previously written down inventory			(202	)			(563	)			(1,726	)			(1,062	)			(3,155	)
		$	10,730			$	3,036			$	5,454			$	18,269			$	16,930

(2)For the quarters ended September 27, 2026, June 28, 2026, and September 28, 2025, selling and administrative expenses included $3.7 million, $2.5 million, and $1.1 million, respectively, of expenses directly related to an ERP system implementation. For the nine months ended September 27, 2026 and September 28, 2025, selling and administrative expenses included $7.9 million and $2.9 million, respectively, of expenses directly related to an ERP system implementation.

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(3)Restructuring and other consists of:

		Quarter Ended												Nine Months Ended
		September 27, 2026				June 28, 2026				September 28, 2025				September 27, 2026				September 28, 2025
Employee severance (a)		$	1,185			$	1,404			$	4,786			$	3,443			$	18,501
Acquisition and divestiture related expenses			373				1,532				173				4,516				2,043
Asset impairment			—				—				328				—				1,542
Other			439				96				1,298				496				1,386
		$	1,997			$	3,032			$	6,585			$	8,455			$	23,472

(a)For the nine months ended September 28, 2025, employee severance relates primarily to Robotics restructuring which impacted approximately 150 employees.

(4)Interest and other includes:

		Quarter Ended												Nine Months Ended
		September 27, 2026				June 28, 2026				September 28, 2025				September 27, 2026				September 28, 2025
Pension settlement loss (gain)		$	(71	)		$	—			$	(800	)		$	(71	)		$	(800	)
Pension actuarial losses (gains)			—				(157	)			—				(157	)			127
Loss (gain) on foreign exchange contract			—				—				—				—				(561	)

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CONDENSED CONSOLIDATED BALANCE SHEETS (In thousands)

		September 27, 2026				December 31, 2025
ASSETS
Current assets:
Cash and cash equivalents		$	460,742			$	293,751
Marketable securities			5,847				28,247
Accounts receivable, net			1,110,798				786,913
Inventories, net			574,992				379,552
Prepayments			613,658				427,564
Other current assets			24,185				33,273
Total current assets			2,790,222				1,949,300
Property, plant and equipment, net			679,603				562,999
Operating lease right-of-use assets, net			121,652				76,635
Marketable securities			158,276				126,256
Deferred tax assets			311,092				275,265
Retirement plans assets			12,240				12,059
Equity method investment			518,559				537,098
Other assets			97,111				71,697
Acquired intangible assets, net			96,662				51,271
Goodwill			663,776				521,019
Total assets		$	5,449,193			$	4,183,599
LIABILITIES
Current liabilities:
Accounts payable		$	516,967			$	269,185
Accrued employees’ compensation and withholdings			261,288				254,973
Deferred revenue and customer advances			211,683				153,124
Other accrued liabilities			146,332				111,845
Operating lease liabilities			17,061				19,340
Short-term debt			—				200,000
Income taxes payable			188,105				106,740
Total current liabilities			1,341,436				1,115,207
Retirement plans liabilities			152,910				144,874
Long-term deferred revenue and customer advances			58,342				50,888
Deferred tax liabilities			10,841				5,378
Long-term other accrued liabilities			28,649				7,601
Long-term operating lease liabilities			120,054				63,899
Total liabilities			1,712,232				1,387,847
Redeemable noncontrolling interests			49,065				—
EQUITY
Total Teradyne shareholders' equity			3,687,896				2,795,752
Total liabilities, redeemable noncontrolling interests and equity		$	5,449,193			$	4,183,599

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (In thousands)

		Quarter Ended								Nine Months Ended
		September 27, 2026				September 28, 2025				September 27, 2026				September 28, 2025
Cash flows from operating activities:
Consolidated net income		$	347,739			$	119,558			$	1,121,533			$	296,827
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation			31,372				26,649				90,256				79,484
Stock-based compensation			21,684				15,531				63,649				47,561
Equity in net earnings of affiliate			(3,281	)			5,198				3,277				16,709
Amortization			5,504				3,867				12,925				12,723
Provision for excess and obsolete inventory			10,932				6,829				19,213				19,175
Losses (gains) on investments			(2,153	)			(3,644	)			(7,076	)			(4,722	)
Deferred taxes			(22,934	)			(14,101	)			(41,163	)			(29,100	)
Retirement plan actuarial losses (gains)			(71	)			(800	)			(228	)			(673	)
Other			999				175				3,757				3,344
Changes in operating assets and liabilities, net of businesses acquired:
Accounts receivable			(556	)			(161,283	)			(302,733	)			(111,787	)
Inventories			(170,942	)			(10,911	)			(178,794	)			(34,618	)
Prepayments and other assets			(165,319	)			(53,478	)			(224,940	)			(22,599	)
Accounts payable and other liabilities			225,812				104,311				347,615				121,447
Deferred revenue and customer advances			13,182				12,596				64,045				25,652
Retirement plans contributions			(1,506	)			(1,410	)			(4,605	)			(6,986	)
Income taxes			23,152				(36	)			81,144				(19,661	)
Net cash provided by operating activities			313,614				49,051				1,047,875				392,776
Cash flows from investing activities:
Purchases of property, plant and equipment			(86,324	)			(46,692	)			(241,762	)			(161,121	)
Acquisitions of businesses, net of cash and cash equivalents acquired			—				—				(165,611	)			(144,380	)
Purchase of investments in a business			(10,870	)			(20,151	)			(20,900	)			(25,519	)
Purchases of marketable securities			(1,769	)			(10,315	)			(50,004	)			(27,465	)
Proceeds from maturities of marketable securities			811				9,018				11,880				41,621
Proceeds from sales of marketable securities			993				684				30,607				9,172
Net cash used for investing activities			(97,159	)			(67,456	)			(435,790	)			(307,692	)
Cash flows from financing activities:
Proceeds from borrowings on revolving credit facility			—				200,000				350,000				200,000
Repayments of borrowings on revolving credit facility			—				—				(550,000	)			—
Dividend payments			(20,314	)			(18,990	)			(61,024	)			(57,574	)
Repurchase of common stock			(99,264	)			(243,785	)			(173,502	)			(518,658	)
Debt issuance costs			(2,686	)			—				(2,686	)			—
Payments related to net settlement of employee stock compensation awards			(1,040	)			(300	)			(42,153	)			(15,254	)
Issuance of common stock under stock purchase and stock option plans			18,607				15,284				33,708				30,076
Net cash used for financing activities			(104,697	)			(47,791	)			(445,657	)			(361,410	)
Effects of exchange rate changes on cash and cash equivalents			(554	)			(356	)			563				(4,328	)
(Decrease) increase in cash and cash equivalents			111,204				(66,552	)			166,991				(280,654	)
Cash and cash equivalents at beginning of period			349,538				339,252				293,751				553,354
Cash and cash equivalents at end of period		$	460,742			$	272,700			$	460,742			$	272,700

Page 8

GAAP to Non-GAAP Earnings Reconciliation

(In millions, except per share amounts)

	Quarter Ended
	September 27, 2026				% of Net Revenues								June 28, 2026				% of Net Revenues								September 28, 2025				% of Net Revenues
Net revenues	$	1,306.0											$	1,329.0											$	769.2
Gross profit GAAP		771.3				59.1	%							794.6				59.8	%							449.3				58.4	%
Inventory step-up		—				—								—				—								0.4				0.1	%
Gross profit non-GAAP		771.3				59.1	%							794.6				59.8	%							449.7				58.5	%
Income from operations - GAAP		402.0				30.8	%							437.8				32.9	%							145.3				18.9	%
Acquired intangible assets amortization		5.3				0.4	%							5.0				0.4	%							3.5				0.5	%
Restructuring and other (1)		2.0				0.2	%							3.0				0.2	%							6.6				0.9	%
ERP related expenses (2)		3.7				0.3	%							2.5				0.2	%							1.1				0.1	%
Inventory step-up		—				—								—				—								0.4				0.1	%
Income from operations - non-GAAP	$	412.9				31.6	%						$	448.3				33.7	%						$	156.9				20.4	%

									Earnings per Common Share attributable to Teradyne																Earnings per Common Share attributable to Teradyne																Earnings per Common Share attributable to Teradyne
	September 27, 2026				% of Net Revenues				Basic				Diluted				June 28, 2026				% of Net Revenues				Basic				Diluted				September 28, 2025				% of Net Revenues				Basic				Diluted
Net income attributable to Teradyne - GAAP	$	342.4				26.2	%		$	2.19			$	2.17			$	374.5				28.2	%		$	2.39			$	2.38			$	119.6				15.5	%		$	0.75			$	0.75
Amortization of equity method investment		7.6				0.6	%			0.05				0.05				7.6				0.6	%			0.05				0.05				7.7				1.0	%			0.05				0.05
Acquired intangible assets amortization		5.3				0.4	%			0.03				0.03				5.0				0.4	%			0.03				0.03				3.5				0.5	%			0.02				0.02
ERP related expenses (2)		3.7				0.3	%			0.02				0.02				2.5				0.2	%			0.02				0.02				1.1				0.1	%			0.01				0.01
Restructuring and other (1)		2.0				0.2	%			0.01				0.01				3.0				0.2	%			0.02				0.02				6.6				0.9	%			0.04				0.04
Non-GAAP noncontrolling interest adjustment		(0.6	)			-0.0	%			(0.00	)			(0.00	)			—				—				—				—				—				—				—				—
Pension settlement loss (gain)		(0.1	)			-0.0	%			(0.00	)			(0.00	)			—				—				—				—				(0.8	)			-0.1	%			(0.01	)			(0.01	)
Pension actuarial losses (gains) (3)		—				—				—				—				(0.2	)			-0.0	%			(0.00	)			(0.00	)			—				—				—				—
Inventory step-up		—				—				—				—				—				—				—				—				0.4				0.1	%			0.00				0.00
Exclude discrete tax adjustments		(0.1	)			-0.0	%			(0.00	)			(0.00	)			(1.7	)			-0.1	%			(0.01	)			(0.01	)			(0.6	)			-0.1	%			(0.00	)			(0.00	)
Non-GAAP tax adjustments		(0.3	)			-0.0	%			(0.00	)			(0.00	)			(1.7	)			-0.1	%			(0.01	)			(0.01	)			(1.6	)			-0.2	%			(0.01	)			(0.01	)
Net income attributable to Teradyne - non-GAAP	$	359.9				27.6	%		$	2.30			$	2.29			$	389.0				29.3	%		$	2.49			$	2.47			$	135.9				17.7	%		$	0.86			$	0.85
GAAP and non-GAAP weighted average common shares - basic		156.3																156.5																158.6
GAAP and non-GAAP weighted average common shares - diluted		157.5																157.7																159.1

Page 9

(1)Restructuring and other consists of:

	Quarter Ended
	September 27, 2026										June 28, 2026										September 28, 2025
Employee severance	$	1.2									$	1.4									$	4.8
Acquisition and divestiture related expenses		0.4										1.5										0.2
Asset impairment		—										—										0.3
Other		0.4										0.1										1.3
	$	2.0									$	3.0									$	6.6

(2)For the quarters ended September 27, 2026, June 28, 2026, and September 28, 2025, selling and administrative expenses included costs directly related to an ERP system implementation.

(3)For the quarter ended June 28, 2026, adjustment to exclude actuarial gain recognized under GAAP in accordance with Teradyne’s mark-to-market pension accounting.

Page 10

	Nine Months Ended
	September 27, 2026				% of Net Revenues								September 28, 2025				% of Net Revenues
Net Revenues	$	3,917.4											$	2,106.7
Gross profit GAAP		2,346.8				59.9	%							1,237.7				58.8	%
Inventory step-up		0.1				0.0	%							0.9				0.0	%
Gross profit non-GAAP		2,346.9				59.9	%							1,238.6				58.8	%
Income from operations - GAAP		1,312.8				33.5	%							356.9				16.9	%
Acquired intangible assets amortization		12.4				0.3	%							11.8				0.6	%
Restructuring and other (1)		8.5				0.2	%							23.5				1.1	%
ERP related expenses (2)		7.9				0.2	%							2.9				0.1	%
Inventory step-up		0.1				0.0	%							0.9				0.0	%
Income from operations - non-GAAP	$	1,341.7				34.3	%						$	396.0				18.8	%

									Earnings per Common Share attributable to Teradyne																Earnings per Common Share attributable to Teradyne
	September 27, 2026				% of Net Revenues				Basic				Diluted				September 28, 2025				% of Net Revenues				Basic				Diluted
Net income attributable to Teradyne - GAAP	$	1,115.8				28.5	%		$	7.14			$	7.08			$	296.8				14.1	%		$	1.85			$	1.85
Amortization of equity method investment		22.9				0.6	%			0.15				0.15				22.5				1.1	%			0.14				0.14
Acquired intangible assets amortization		12.4				0.3	%			0.08				0.08				11.8				0.6	%			0.07				0.07
Restructuring and other (1)		8.5				0.2	%			0.05				0.05				23.5				1.1	%			0.15				0.15
ERP related expenses (2)		7.9				0.2	%			0.05				0.05				2.9				0.1	%			0.02				0.02
Inventory step-up		0.1				0.0	%			0.00				0.00				0.9				0.0	%			0.01				0.01
Non-GAAP noncontrolling interest adjustment		(0.6	)			-0.0	%			(0.00	)			(0.00	)			—				—				—				—
Pension actuarial losses (gains) (3)		(0.2	)			-0.0	%			(0.00	)			(0.00	)			0.1				0.0	%			0.00				0.00
Pension settlement loss (gain)		(0.1	)			-0.0	%			(0.00	)			(0.00	)			(0.8	)			-0.0	%			(0.01	)			(0.00	)
Loss (gain) on foreign exchange contract		—				—				—				—				(0.6	)			-0.0	%			(0.00	)			(0.00	)
Exclude discrete tax adjustments		(11.0	)			-0.3	%			(0.07	)			(0.07	)			0.4				0.0	%			0.00				0.00
Non-GAAP tax adjustments		(4.0	)			-0.1	%			(0.03	)			(0.03	)			(8.4	)			-0.4	%			(0.05	)			(0.05	)
Net income attributable to Teradyne - non-GAAP	$	1,151.8				29.4	%		$	7.37			$	7.31			$	349.1				16.6	%		$	2.18			$	2.18
GAAP and non-GAAP weighted average common shares - basic		156.4																160.0
GAAP and non-GAAP weighted average common shares - diluted		157.6																160.4

Page 11

(1)Restructuring and other consists of:

	Nine Months Ended
	September 27, 2026										September 28, 2025
Acquisition and divestiture related expenses	$	4.5									$	2.0
Employee severance (a)		3.4										18.5
Asset impairment		—										1.5
Other		0.5										1.4
	$	8.5									$	23.4

(a)For the nine months ended September 28, 2025, employee severance relates primarily to Robotics restructuring which impacted approximately 150 employees.

(2)For the nine months ended September 27, 2026 and September 28, 2025, selling and administrative expenses included costs directly related to an ERP system implementation.

(3)For the nine months ended September 27, 2026, and September 28, 2025, adjustments to exclude actuarial gains and losses, respectively, recognized under GAAP in accordance with Teradyne’s mark-to-market pension accounting.

Page 12

GAAP to Non-GAAP Reconciliation of Fourth Quarter 2026 guidance:

GAAP and non-GAAP fourth quarter revenue guidance:			$1,250 million			to	$1,350 million
GAAP net income attributable to Teradyne per diluted share			$	1.88			$	2.18
Exclude acquired intangible assets amortization				0.03			$	0.03
Exclude equity method investment amortization				0.05			$	0.05
Non-GAAP tax adjustments				(0.01	)		$	(0.01	)
Non-GAAP net income attributable to Teradyne per diluted share			$	1.95			$	2.25

For press releases and other information of interest to investors, please visit Teradyne’s homepage at http://www.teradyne.com.

Contact:	Teradyne, Inc.
	Amy McAndrews 978-370-3945
	Vice President of Corporate Relations

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