Exhibit 99.1

Press Release

Contact:

Charles F. Cargile, 949/863-3144

Newport Corporation, Irvine, CA

investor@newport.com

or

Chris Toth, 949/331-0337

Investor Relations Consultant

chris.toth@newport.com

NEWPORT CORPORATION REPORTS

THIRD QUARTER 2015 RESULTS

Irvine, California — November 4, 2015 — Newport Corporation (NASDAQ: NEWP) today reported financial results for its third quarter and nine months ended October 3, 2015, and its outlook for the fourth quarter of 2015.  The company noted the following regarding the third quarter results:

·                        Net sales of $147.6 million and new orders of $146.5 million;

·                        Net income of $7.1 million, or $0.18 per diluted share, when measured according to generally accepted accounting principles (GAAP);

·                        Non-GAAP net income of $12.4 million, or $0.31 per diluted share, excluding the amortization of intangible assets, stock-based compensation expense, acquisition-related, restructuring and severance costs and the tax impact of the excluded amounts; and

·                        Repurchases of approximately 1.0 million shares of common stock during the quarter, for a total expenditure of $15.7 million.

Robert Phillippy, President and Chief Executive Officer, commented:  “Our third quarter sales and profit met our expectations, and we expect our financial performance to gain additional momentum in the fourth quarter of 2015 as we continue to focus on achieving new design wins, increasing share in our target markets and implementing our cost reduction initiatives.”

Newport’s sales and orders by end market were as follows:

Operating Income and Net Income

Newport reported operating income for the third quarter of 2015 of $10.5 million, or 7.1% of net sales, when calculated in accordance with GAAP.  On a non-GAAP basis, excluding the amortization of intangible assets, stock-based compensation expense and acquisition-related, restructuring and severance costs, the company’s operating income for the third quarter of 2015 was $17.5 million, or 11.9% of net sales.

On a GAAP basis, the company reported net income for the third quarter of 2015 of $7.1 million, or $0.18 per diluted share.  On a non-GAAP basis, excluding the items referenced above and the tax impact of such excluded amounts, the company’s net income for the third quarter of 2015 was $12.4 million, or $0.31 per diluted share.

The company has provided a reconciliation of its gross profit, operating income, net income and net income per diluted share calculated in accordance with GAAP and on a non-GAAP basis following the statements of income and comprehensive income included in this release.  Management believes that the supplemental presentation of non-GAAP financial information provides insight into the company’s core business results, as well as a useful resource for comparison of its financial results between periods.

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Liquidity and Share Repurchase Program

As of October 3, 2015, the company had a total of $31.4 million in cash, cash equivalents and restricted cash, total indebtedness of $87.8 million and $140.3 million of borrowing capacity available on its revolving credit facility.

Mr. Phillippy commented, “We accelerated our share repurchase program during the third quarter, repurchasing approximately 1.0 million shares for a total of $15.7 million.  During the last five quarters we have used $38.2 million to repurchase a total of approximately 2.2 million shares.  Share repurchases are an important part of our capital allocation strategy, and we expect to continue to repurchase shares for the foreseeable future.”

The company noted that the amount and timing of future repurchases will depend on factors such as trading limitations, the company’s share price level, its other capital requirements and the terms of its credit facility.

Financial Outlook

Commenting on Newport’s outlook, Mr. Phillippy said, “We expect our sales and earnings to increase sequentially in the fourth quarter of 2015.  We expect our sales to be in the range of $150 million to $156 million, and our non-GAAP earnings per diluted share to be in the range of $0.33 to $0.37.  We also expect to generate more than $20 million in cash from operations in the fourth quarter of 2015.”

ABOUT NEWPORT CORPORATION

Newport Corporation is a leading global supplier of advanced-technology products and systems to customers in the scientific research, microelectronics, life and health sciences, industrial manufacturing and defense/security markets.  Newport’s innovative solutions leverage its expertise in advanced technologies, including lasers, photonics and precision motion equipment, and optical components and sub-systems, to enhance the capabilities and productivity of its customers’ manufacturing, engineering and research applications.  Newport is part of the Standard & Poor’s SmallCap 600 Index and the Russell 2000 Index.  Learn more about Newport at www.newport.com and follow the company on Twitter, YouTube and Facebook.

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INVESTOR CONFERENCE CALL

Robert J. Phillippy, President and Chief Executive Officer, and Charles F. Cargile, Senior Vice President, Chief Financial Officer and Treasurer, will host an investor conference call today, November 4, 2015, at 11:30 a.m. Eastern time (8:30 a.m. Pacific time) to review the company’s results for the third quarter of 2015 and its business outlook for the fourth quarter of 2015.  The call will be open to all interested investors through a live audio web broadcast via the Internet at www.newport.com/investors.  The call will also be available to investors and analysts by dialing (877) 407-8133 within the U.S. and Canada or (201) 689-8040 from abroad.

The webcast will be archived on the Newport investor relations website and a telephonic playback of the conference call will also be available by calling (877) 660-6853 within the U.S. and Canada and (201) 612-7415 from abroad. The telephonic playback will be available beginning at 4:00 p.m. Eastern time on Wednesday, November 4, 2015, and continue through 11:59 p.m. Eastern time on Wednesday, November 11, 2015. The replay passcode is 13623362.

SAFE HARBOR STATEMENT

This news release contains forward-looking statements, including without limitation statements regarding the company’s expectation of improved financial performance in the fourth quarter of 2015; the company’s expectation that it will continue to repurchase shares for the foreseeable future; and the company’s expected sales, non-GAAP earnings per diluted share and cash from operations in the fourth quarter of 2015.  Without limiting the generality of the foregoing, words such as “may,” “will,” “expect,” “believe,” “anticipate,” “intend,” “could,” “estimate” or “continue” or the negative or other variations thereof or comparable terminology are intended to identify forward-looking statements. In addition, any statements that refer to expectations, projections or other characterizations of future events or circumstances are forward-looking statements.  Assumptions relating to the foregoing involve judgments and risks with respect to, among other things, the strength of business conditions in the industries Newport serves, particularly the semiconductor and defense and security industries; Newport’s ability to achieve the expected benefits from the integration of acquired businesses and from its cost reduction actions; Newport’s ability to successfully penetrate and increase sales to its targeted end markets; the levels of private and governmental research funding worldwide; potential order cancellations and push-outs; future economic, competitive and market conditions, including those in Europe and Asia and those related to its strategic markets; whether its products will continue to achieve customer acceptance; and future business decisions, all of which are difficult or impossible to predict accurately and many of which are beyond the control of Newport.  Certain of these judgments and risks are discussed in more detail in Newport’s periodic reports filed with the Securities and Exchange Commission.  Although Newport believes that the assumptions underlying the forward-looking statements are

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reasonable, any of the assumptions could prove inaccurate and, therefore, there can be no assurance that the results contemplated in forward-looking statements will be realized.  In light of the significant uncertainties inherent in the forward-looking information included herein, the inclusion of such information should not be regarded as a representation by Newport or any other person that Newport’s objectives or plans will be achieved.  Newport undertakes no obligation to revise the forward-looking statements contained herein to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

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Newport Corporation

Consolidated Statements of Income and Comprehensive Income

(Unaudited)

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Newport Corporation

Supplemental Non-GAAP Measures

(Unaudited)

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Newport Corporation

Consolidated Balance Sheets

(Unaudited)

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