Exhibit 99.1

News Release

FOR IMMEDIATE RELEASE

Leif E. Darner named to Flowserve Board of Directors

DALLAS, Aug. 14, 2013 – Flowserve Corporation (NYSE: FLS), a leading provider of flow control products and services for the global infrastructure markets, today announced that its board of directors has elected Leif E. Darner as a member of the board. With the addition of Darner, the Flowserve board increases to 11 members, 10 of whom are independent.

Darner, 61, is the former chief executive officer of performance coatings for Akzo Nobel N.V., a leading global paints and coatings company and major producer of specialty chemicals with 2012 revenues of more than $20 billion. While at Akzo Nobel, Darner grew annual performance coatings revenues to exceed $7.5 billion annually. Prior to his most recent role, Darner led the chemicals business of Akzo Nobel and was previously the general manager of the marine and protective coatings unit.

“Leif brings to the Flowserve board a wealth of industrial knowledge and a valuable international perspective,” said James O. Rollans, non-executive chairman of the Flowserve board of directors. “Leif’s leadership experience, demonstrated through his proven track record of growing international businesses in global markets, aligns well with the Flowserve growth strategy and makes him an ideal fit for the board. We are pleased to have him join and expect his contributions to have an immediate and positive impact on the company.”

Darner received Bachelor of Business Administration and Master of Business Administration degrees from Göteborg University in Sweden.

Investor Contact: Mike Mullin, director, Investor Relations, (972) 443-6636

Media Contact: Amy Allen, manager, Global Communications, (972) 443-6501

About Flowserve: Flowserve Corp. is one of the world’s leading providers of fluid motion and control products and services. Operating in more than 55 countries, the company produces engineered and industrial pumps, seals and valves as well as a range of related flow management services. More information about Flowserve can be obtained by visiting the company’s Web site at www.flowserve.com.

Safe Harbor Statement: This news release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Words or phrases such as, “may,” “should,” “expects,” “could,” “intends,” “plans,” “anticipates,” “estimates,” “believes,” “forecasts,” “predicts” or other similar expressions are intended to identify forward-looking statements, which include, without limitation, earnings forecasts, statements relating to our business strategy and statements of expectations, beliefs, future plans and strategies and anticipated developments concerning our industry, business, operations and financial performance and condition.

The forward-looking statements included in this news release are based on our current expectations, projections, estimates and assumptions. These statements are only predictions, not guarantees. Such forward-looking statements are subject to numerous risks and uncertainties that are difficult to predict. These risks and uncertainties may cause actual results to differ materially from what is forecast in such forward-looking statements, and include, without limitation, the following: a portion of our bookings may not lead to completed sales, and our ability to convert bookings into revenues at acceptable profit margins; changes in the global financial markets and the availability of capital and the potential for unexpected cancellations or delays of customer orders in our reported backlog; our dependence on our customers’ ability to make required capital investment and maintenance expenditures; risks associated with cost overruns on fixed-fee projects and in taking customer orders for large complex custom engineered products; the substantial dependence of our sales on the success of the oil and gas, chemical, power generation and water management industries; the adverse impact of volatile raw materials prices on our products and operating margins; our ability to execute and realize the expected financial benefits from our strategic realignment initiatives; economic, political and other risks associated with our international operations, including military actions or trade embargoes that could affect customer markets,

particularly Middle Eastern markets and global oil and gas producers, and non-compliance with U.S. export/re-export control, foreign corrupt practice laws, economic sanctions and import laws and regulations; our exposure to fluctuations in foreign currency exchange rates, including in hyperinflationary countries such as Venezuela; our furnishing of products and services to nuclear power plant facilities; potential adverse consequences resulting from litigation to which we are a party, such as litigation involving asbestos-containing material claims; a foreign government investigation regarding our participation in the United Nations Oil-for-Food Program; expectations regarding acquisitions and the integration of acquired businesses; our foreign subsidiaries autonomously conducting limited business operations and sales in certain countries identified by the U.S. State Department as state sponsors of terrorism; our relative geographical profitability and its impact on our utilization of deferred tax assets, including foreign tax credits; the potential adverse impact of an impairment in the carrying value of goodwill or other intangible assets; our dependence upon third-party suppliers whose failure to perform timely could adversely affect our business operations; the highly competitive nature of the markets in which we operate; environmental compliance costs and liabilities; potential work stoppages and other labor matters; our inability to protect our intellectual property in the U.S., as well as in foreign countries; obligations under our defined benefit pension plans; and other factors described from time to time in our filings with the Securities and Exchange Commission.

All forward-looking statements included in this news release are based on information available to us on the date hereof, and we assume no obligation to update any forward-looking statement.

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