Exhibit 99.1

Korn Ferry International Announces First Quarter Fiscal 2017

Results of Operations

Highlights

Los Angeles, CA, September 8, 2016 – Korn/Ferry International (NYSE: KFY), the preeminent global people and organizational advisory firm, today announced first quarter fee revenue of $375.6 million, or $379.2 million on an adjusted basis. Q1 FY’17 diluted earnings per share and adjusted diluted earnings per share were $0.06 and $0.52, respectively. Adjusted diluted earnings per share excludes $37.0 million of restructuring charges, net, integration/acquisition costs, a deferred revenue adjustment related to the Hay Group acquisition (which also impacted adjusted fee revenue), and a write-off of debt issuance costs as a result of replacing our prior credit facility with a new facility to provide enhanced financial flexibility.

“I am proud of the performance of our firm during the fiscal first quarter. We generated $376 million of fee revenue and $379 million of adjusted fee revenue, up 40% and 42% year over year, respectively,” said Gary D. Burnison, CEO Korn Ferry. “Operationally, our combination with Hay Group and investments in our business have provided us with a more compelling platform to not only accelerate our clients’ success, but accelerate Korn Ferry’s growth – and generate stronger earnings power. I am confident that our strategic actions are making us more relevant to our clients, and firmly establishing Korn Ferry as a world-class people and organizational advisor.”

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Selected Financial Results

(dollars in millions, except per share amounts) ^(a)

Fee revenue was $375.6 million in Q1 FY’17 and adjusted fee revenue was $379.2 million (including $3.5 million in deferred revenue adjustment related to the Hay Group acquisition).

The Company substantially completed the fiscal 2016 restructuring plan during Q1 FY’17, integrating the Hay Group entities that were acquired in the prior year acquisition by eliminating redundant positions and operational and general and administrative expenses and consolidating office space. As a result, the Company recorded restructuring charges, net of $24.5 million in Q1 FY’17, of which $11.5 million relates to severance and $13.0 million relates to the consolidation of office space.

Operating margin was 1.2% in Q1 FY’17 compared to 12.3% in the year-ago quarter. EBITDA margin was 5.4% in Q1 FY’17 compared to 15.3% in Q1 FY’16. The decrease in the operating and EBITDA margins was due to restructuring charges of $24.5 million, an increase in integration/acquisition costs of $7.3 million and the deferred revenue adjustment referenced above.

Adjusted EBITDA margin was 14.9%, down 70 bps from the year-ago quarter. The decline in Adjusted EBITDA margin was primarily due to a change in the revenue mix with a greater proportion of revenue being generated by Hay Group and Futurestep, which yield lower margins than Executive Search, partially offset by the synergies achieved in connection with the Hay Group integration.

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Results by Segment

Selected Executive Search Data

(dollars in millions) ^(a)

Fee revenue was $146.4 million in Q1 FY’17, a decrease of $5.7 million or 3.7% (1.4% on a constant currency basis) compared to Q1 FY’16. The overall decrease in fee revenue was primarily attributable to lower fee revenues in North America, partially offset by an increase in Latin America.

Operating income was $26.9 million in Q1 FY’17. Operating margin was 18.4% in Q1 FY’17 compared to 23.0% in Q1 FY’16. Operating income and margin were negatively impacted by lower fee revenues and restructuring charges incurred in the quarter as referenced above.

EBITDA was $28.9 million in Q1 FY’17 with an EBITDA margin of 19.7% (negatively impacted by the same factors as operating income). Adjusted EBITDA was $31.7 million with an Adjusted EBITDA margin of 21.6%, down from Q1 FY’16 due primarily to the decline in revenues.

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Selected Hay Group Data

(dollars in millions) ^(a)

Fee revenue was $174.6 million and, on an adjusted basis, fee revenue was $178.1 million in Q1 FY’17 (including $3.5 million in deferred revenue adjustment related to the Hay Group acquisition) compared to $69.2 million in Q1 FY’16. The year-over-year increase is primarily attributed to the legacy Hay Group acquisition that took place in the third quarter of fiscal 2016. As a result, consulting fee revenue was higher by $70.5 million in Q1 FY’17 compared to Q1 FY’16 with the remaining increase being generated by product revenue.

Operating loss was $7.7 million in Q1 FY’17, resulting in an operating margin of (4.4)%. The change in operating (loss) income was primarily due to increases in compensation and benefit expense of $69.8 million (excluding integration/acquisition costs), $15.4 million in general and administrative expenses, $4.3 million in depreciation and amortization, $5.6 million in cost of services and $25.5 million in restructuring charges, net, and integration/acquisition costs, offset by an increase in fee revenue of $105.4 million. The increases in operating expenses were due to the legacy Hay Group acquisition that took place in the third quarter of fiscal 2016.

EBITDA was $0.5 million in Q1 FY’17, with a margin of 0.3%. Adjusted EBITDA was $29.8 million during Q1 FY’17, at an Adjusted EBITDA margin of 16.7% compared to 15.5% in Q1 FY’16 and 15.9% in Q4 FY’16. As previously announced, the Hay Group integration is substantially complete with only systems integration in countries representing a relatively small percentage of revenue remaining. The improvement in the Adjusted EBITDA margin in Q1 FY’17 compared to Q1 FY’16 and Q4 FY’16 reflects the synergies resulting from the integration activities.

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Selected Futurestep Data

(dollars in millions) ^(a)

Fee revenue was $54.7 million in Q1 FY’17, an increase of 18.7% (21.7% on a constant currency basis), compared to the year-ago quarter.

Operating income was $7.5 million in Q1 FY’17, an increase of $1.3 million, compared to Q1 FY’16, resulting in an operating margin of 13.7% in the current quarter compared to 13.4% in the year-ago quarter.

EBITDA was $8.1 million during Q1 FY’17 with an EBITDA margin of 14.9%, an increase of 20 bps from the prior year.

Outlook

Assuming worldwide economic conditions, financial markets and foreign exchange rates remain steady, on a consolidated basis:

On a consolidated as adjusted basis:

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Earnings Conference Call Webcast

The earnings conference call will be held today at 4:30 PM (EDT) and hosted by CEO Gary Burnison, CFO Robert Rozek and SVP Finance Gregg Kvochak. The conference call will be webcast and available online at ir.kornferry.com. We will also post to this section of our website earnings slides, which will accompany our webcast, and other important information, and encourage you to review the information that we make available on our website.

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About Korn Ferry

Korn Ferry is the preeminent global people and organizational advisory firm. We help leaders, organizations and societies succeed by releasing the full power and potential of people. Our nearly 7,000 colleagues deliver services through Executive Search, Hay Group and Futurestep divisions. Visit kornferry.com for more information.

Forward-Looking Statements

Statements in this press release and our conference call that relate to future results and events (“forward-looking statements”) are based on Korn Ferry’s current expectations. These statements, which include words such as “believes”, “expects” or “likely”, include references to our outlook. Readers are cautioned not to place undue reliance on such statements. Actual results in future periods may differ materially from those currently expected or desired because of a number of risks and uncertainties that are beyond the control of Korn Ferry. The potential risks and uncertainties include those relating to competition, the dependence on attracting and retaining qualified and experienced consultants, our ability to successfully integrate acquired businesses including Hay Group, our ability to recognize the anticipated benefits of the acquisition of Hay Group which may be affected by, among other things, competition, our ability to grow and manage growth profitability, maintain relationships with customers and suppliers and retain key employees, costs related to the acquisition of Hay Group, maintaining our brand name and professional reputation, potential legal liability, the portability of client relationships, global and local political or economic developments in or affecting countries where we have operations, currency fluctuations in our international operations, risks related to growth, alignment of our cost structure with our growth, restrictions imposed by off-limits agreements, reliance on information processing systems, cyber security vulnerabilities, limited protection of our intellectual property, our ability to enhance and develop new technology, our ability to develop new products and services, consolidation of industries we serve, our ability to successfully recover from a disaster or other business continuity problems, changes in our accounting estimates/assumptions, impairment of goodwill and other intangible assets, deferred tax assets, seasonality, our ability to successfully rationalize our cost structure and employment liability risk. For a detailed description of risks and uncertainties that could cause differences, please refer to Korn Ferry’s periodic filings with the Securities and Exchange Commission. Korn Ferry disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

Use of Non-GAAP Financial Measures

This press release contains financial information calculated other than in accordance with U.S. Generally Accepted Accounting Principles (“GAAP”). In particular, it includes:

This non-GAAP disclosure has limitations as an analytical tool, should not be viewed as a substitute for financial information determined in accordance with GAAP, and should not be considered in isolation or as a substitute for analysis of the Company’s results as reported under GAAP, nor is it necessarily comparable to non-GAAP performance measures that may be presented by other companies.

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Management believes the presentation of non-GAAP financial measures in this press release provides meaningful supplemental information regarding Korn Ferry’s performance by excluding certain charges and other items that may not be indicative of Korn Ferry’s ongoing operating results. These non-GAAP financial measures are performance measures and are not indicative of the liquidity of Korn Ferry. These charges represent 1) costs we incurred to acquire and integrate the Hay Group acquisition, 2) charges we incurred to restructure the combined company due to the acquisition of Hay Group, 3) debt issuance costs written-off upon replacement of credit facility and 4) revenue that Hay Group would have realized if not for business combination accounting that requires a company to record the acquisition balance sheet at fair value and write-off deferred revenue where no future services are required to be performed to earn that revenue. As such, reported fee revenue can make fee revenue and operating results appear to fluctuate more than they would if business combination accounting did not require deferred revenue to be written off. Adjusted fee revenue is not a measure that substitutes an individually tailored revenue recognition or measurement method for those of GAAP, rather, it is an adjustment for a short period of time that will provide better comparability in the current and future periods. Management believes the presentation of adjusted fee revenue assists management in its evaluation of ongoing operations and provides useful information to investors because it allows investors to make more meaningful period-to-period comparisons of the Company’s operating results, to better identify operating trends that may otherwise be distorted by write-offs required under business combination accounting and to perform related trend analysis, and provides a higher degree of transparency of information used by management in its evaluation of Korn Ferry’s ongoing operations and financial and operational decision-making. Management will no longer have adjusted fee revenue after Q1 FY’17. The use of these non-GAAP financial measures facilitates comparisons to Korn Ferry’s historical performance. Korn Ferry includes these non-GAAP financial measures because management believes they are useful to investors in allowing for greater transparency with respect to supplemental information used by management in its evaluation of Korn Ferry’s ongoing operations and financial and operational decision-making. In the case of constant currency amounts, management believes the presentation of such information provides meaningful supplemental information regarding Korn Ferry’s performance as excluding the impact of exchange rate changes on Korn Ferry’s financial performance allows investors to make more meaningful period-to-period comparisons of the Company’s operating results, to better identify operating trends that may otherwise be masked or distorted by exchange rate changes and to perform related trend analysis, and provides a higher degree of transparency of information used by management in its evaluation of Korn Ferry’s ongoing operations and financial and operational decision-making.

[Tables attached]

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KORN FERRY AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME

(in thousands, except per share amounts)

KORN FERRY AND SUBSIDIARIES

FINANCIAL SUMMARY BY SEGMENT

(in thousands)

(unaudited)

KORN FERRY AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

(in thousands, except per share amounts)

KORN FERRY AND SUBSIDIARIES

RECONCILIATION OF GAAP TO NON-GAAP FINANCIAL MEASURES

(in thousands, except per share amounts)

Explanation of Non-GAAP Adjustments

KORN FERRY AND SUBSIDIARIES

RECONCILIATION OF NET INCOME AND OPERATING INCOME (GAAP) TO

EBITDA AND ADJUSTED EBITDA (NON-GAAP)

(in thousands)

(unaudited)