EXHIBIT 99.1

Press Release

ZYNGA ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS

DELIVERS $174M IN BOOKINGS AND $1M IN ADJUSTED EBITDA

LAUNCHES TWO NEW GAMES WORLDWIDE: EMPIRES & ALLIES AND FARMVILLE: HARVEST SWAP

APPOINTS FRANK GIBEAU TO BOARD OF DIRECTORS

SAN FRANCISCO – August 6, 2015 – Zynga Inc. (NASDAQ: ZNGA), a leading social game developer, today announced financial results for the second quarter ended June 30, 2015. In addition to today’s press release, a copy of our Q2 2015 Quarterly Earnings Letter, which outlines our Q2 2015 financial results and business outlook, is available on our website at http://investor.zynga.com.

Zynga management will host a live Q&A session at 2:00 p.m. Pacific Time (5:00 p.m. Eastern Time) today, August 6, to discuss the Company’s Q2 performance and business outlook. Questions may be asked on the call or submitted in advance via email to investors@zynga.com, and the company will respond to as many questions as possible.

“Our teams have been executing well and delivered strong Q2 results while also making significant progress against our best growth opportunities. In terms of our core franchises – FarmVille, Slots, Poker and Words With Friends – we beat our expectations and the teams did a good job delivering value for our players. We also launched Empires & Allies and FarmVille: Harvest Swap in Q2, and are excited for the upcoming launches of Dawn of Titans, CSR2 and our new Slots game later this year,” said Mark Pincus, CEO and Chairman, Zynga. “In terms of our people, we’ve made progress in moving to smaller game teams. We believe this will allow them to be more nimble, creative and innovative. We’re also continuing to add talent and leadership with our appointment today of Frank Gibeau, one of the top strategists in mobile gaming, to our Board of Directors.”

Pincus continued, “We believe that social gaming has the opportunity to be as important a medium in people’s lives as social networking and social media. We’re excited to deliver on that promise by getting back to our entrepreneurial roots, innovating on game mechanics and leveraging world class data and analytics to accelerate our path. Finally, I want to thank our employees for their deep commitment and focus. Our teams have worked hard to lay the mobile-first foundation necessary to lead in social gaming. We look forward to building on that progress for the remainder of 2015 and beyond.”

“We generated $174 million in total bookings, an increase of 4% sequentially and above the top end of our guidance range. Our sequential increase in bookings was driven in part by our growth in mobile, which was up 8% sequentially and 30% year-over-year,” said David Lee, CFO, Zynga. “The biggest drivers of our mobile growth were our Slots franchise, which grew 32% sequentially, and the launches of Empires & Allies and FarmVille: Harvest Swap. In terms of adjusted EBITDA, our result for Q2 was $1 million, above the high end of our guidance range. We’re particularly pleased to deliver these results even as we continue to make substantial investments in new game development, marketing for new game launches and core infrastructure in data and analytics.”

Financial Results

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Product Highlights

Player Metrics

Financial Highlights (in thousands, except per share data)

Appoints Frank Gibeau to Board of Directors

Today, Zynga announced that Frank Gibeau, former Executive Vice President at Electronic Arts Inc., has joined the company’s Board of Directors. Gibeau is an entertainment and gaming industry veteran who has spent nearly 25 years developing and publishing mainstream mobile, PC and console gaming franchises.

“Zynga has the products, the people and the powerful plan needed to make its mission to connect the world through games a reality,” said Frank Gibeau. “Mark’s uncompromising passion for Zynga and commitment to social games is unparalleled. I look forward to partnering with him and my fellow board members during this incredibly exciting time for Zynga and the broader mobile gaming industry.”

Mr. Gibeau spent more than two decades at Electronic Arts Inc., where he held a number of influential business and product leadership roles. Most recently he served as the Executive Vice President of EA Mobile from October 2013 to May 2015, where he led strategy, product development and publishing for the company’s fast-growing mobile games business. In that role, Mr. Gibeau managed EA’s portfolio of popular mobile franchises including The Simpsons: Tapped Out, Plants vs. Zombies, Real Racing, Bejeweled, Star Wars, Minions, SimCity, EA SPORTS, and The Sims. He also spearheaded the creation of new mobile intellectual property and platform technology, as well as oversaw EA’s Chillingo publishing operation.

Prior to that, Gibeau was President of EA Labels from 2011 to 2013, where he oversaw IP development, worldwide product management and marketing for major console and PC properties including Battlefield, FIFA, Madden NFL, Need for Speed, SimCity, Star Wars: The Old Republic, Mass Effect, Dragon Age and The Sims. He also spent four years as the President of the EA Games

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Label, where he was responsible for a business turnaround that resulted in increased product quality, on time game delivery and dramatically reduced costs. Before that, Gibeau acted as EA’s Executive Vice President and General Manager of The Americas, where he was directly responsible for a publishing operation that accounted for more than $1.5 billion of EA’s annual revenue. While at EA, Gibeau also served as Executive Producer of the major motion picture “Need For Speed,” which was released in 2014.

Gibeau is currently the Vice Chairman of the Corporate Advisory Board for the Marshall School of Business at the University of Southern California, and he previously served on the Board of Directors of Cooliris, an Internet technology company.

Gibeau joins Zynga’s distinguished board members including Mark Pincus, John Doerr, Dr. Regina E. Dugan, William “Bing” Gordon, Louis J. Lavigne, Jr., Sunil Paul and Ellen F. Siminoff.

Second Quarter Operational Metrics

The company tracks operating metrics using internal systems which rely on internal company data and third party data. In the first quarter of 2015, the company modified its calculations to take into account our business’s transition to mobile and updates to our operating metrics which utilize additional third party data to help us identify whether a player logged in under two or more accounts is the same individual. As a result of these changes, we revised the definitions for DAUs, MAUs, MUUs, and MUPs in the first quarter of 2015. We rely on the veracity of data provided by individuals and reported by third parties to calculate our metrics and reduce duplication of data. For comparative purposes, these key operating metrics have been revised for the second quarter of 2014 to reflect the updated definitions. The following comparisons are based on the revised numbers for 2014. Please refer to our Quarterly Report on Form 10-Q for the quarter ended March 31, 2015 for a full explanation of the changes and the comparison of the revised and as reported numbers for 2014.

Second Quarter 2015 Financial Summary

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Restructuring charges from our cost reduction plan in the first quarter of 2015

We incurred a restructuring charge of $12 million in second quarter of 2015 due to the cost reduction plan, below our initial estimate of approximately $18 million to $22 million. We now estimate we will incur a total of $22 million to $32 million total pre-tax restructuring expenses, below our initial estimate of approximately $80 million to $90 million. We expect to incur approximately $10 million to $20 million in remaining pre-tax restructuring expenses in the fourth quarter of 2015 and first quarter of 2016, the entire amount is anticipated to result in future cash expenditures. The lower restructuring charge in the second quarter of 2015 and our estimated future charges are due to lower termination costs of existing contracts.

Third Quarter Outlook

Zynga’s outlook for the third quarter of 2015 is as follows:

Quarterly Earnings Letter and Conference Call Details

In addition to today’s press release, a copy of our Q2 2015 Quarterly Earnings Letter, which outlines our second quarter 2015 financial results and business outlook, is available on our website at http://investor.zynga.com.

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Zynga will host a live Q&A session today, August 6, 2015, at 2:00 pm PDT (5:00 pm EDT) to discuss financial results. Questions may be asked on the call or submitted in advance via email to investors@zynga.com, and the company will respond to as many questions as possible.

The live Q&A session can be accessed at http://investor.zynga.com – a replay of which will be available through the website after the call – or via the below conference dial-in number:

About Zynga Inc.

Zynga Inc. is a leading developer of the world’s most popular social games that are played by millions of monthly consumers. The company has created evergreen franchises such as FarmVille, Zynga Casino and Words With Friends. Zynga’s NaturalMotion, an Oxford-based mobile game and technology developer, is the creator of hit mobile games in popular entertainment categories, including CSR Racing, CSR Classics and Clumsy Ninja. Zynga games have been played by more than 1 billion people around the world and are available on a number of global platforms including Apple iOS, Google Android, Facebook and Zynga.com. The company is headquartered in San Francisco, Calif. Learn more about Zynga at http://blog.zynga.com or follow us on Twitter and Facebook.

Key Operating Metrics

We manage our business by tracking several operating metrics: “DAUs,” which measure daily active users of our games, “MAUs,” which measure monthly active users of our games, “MUUs,” which measure monthly unique users of our games, “MUPs,” which measure monthly unique payers in our games, and “ABPU,” which measures our average daily bookings per average DAU, each of which is recorded by our internal analytics systems. The numbers for these operating metrics are calculated using internal company data based on tracking of user account activity. We also use third party network logins to help us track whether a player logged under two or more different user accounts is the same individual. We believe that the numbers are reasonable estimates of our user base for the applicable period of measurement; however, factors relating to user activity and systems may impact these numbers.

Please refer to our Quarterly Report on Form 10-Q for the quarter ended March 31, 2015 for our updated definitions of “DAU,” “MAU,” “MUU,” “MUP” and “ABPU.”

MUUs and MUPs in this press release exclude MUUs and MUPs from NaturalMotion legacy games (CSR Racing, CSR Classics and Clumsy Ninja) as our systems are unable to distinguish whether a player of a NaturalMotion legacy game is also a player of a Zynga game. We exclude payers of NaturalMotion legacy games to avoid potential double counting of MUUs and MUPs.

We acquired NaturalMotion in February 2014. As a result, the financial information presented in this press release for January 2014 and a portion of February 2014 does not reflect any contribution from NaturalMotion.

Forward-Looking Statements

This press release contains forward-looking statements relating to, among other things, our outlook for the third quarter 2015 revenue, net loss, diluted net loss per share, weighted average diluted share count, bookings, Adjusted EBITDA, non-GAAP net income (loss) per share and non-GAAP weighted average diluted share count; certain other financial items necessary for GAAP to Non-GAAP reconciliation; our future operational plans, use of cash, strategies and prospects; our cost structure and cost reduction plans and estimated savings and charges, including our ability to work as a team to accelerate execution, drive profitability and nurture creativity and innovation while reducing costs and lowering discretionary spend; the breadth and depth of our game slate for 2015 and the success of this slate, including the success of the recently launched Empires & Allies and FarmVille: Harvest Swap; our planned launch of mobile first games, including our planned launch of Dawn of Titans, CSR2 and a new mobile Slots game in 2015; the multi-year agreement our Slots franchise secured with Warner Bros. Interactive Entertainment to license their Willy Wonka and the Chocolate Factory brand; our ability to grow our mobile bookings in 2015; our ability to execute against our strategy and deliver long term value to our shareholders, employees and players and fulfill our mission to connect the world through games; our ability to use data and analytics to improve our player experience, gameplay and monetization; our ability to intensify and narrow our focus around our best opportunities; our ability to attract and retain key employees in light of business challenges, including employees key to franchise games and planned launches and senior management; the impact of changes in management, new hires and other organizational changes and roles on our organization; the strength of our balance sheet and our ability to effectively manage our cost

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structure and investments; our strategies of backing proven teams to develop or expand our game offerings; our ability to use smaller game teams in efforts to be more nimble, creative and innovative; the timely launch and success of our games; our ability to monetize our games; our ability to improve our execution against audience growth and product quality; our ability to effectively market our games; our ability to execute in mobile; our ability to sustain and expand key games to sustain and grow audiences, bookings, and engagement, including our core franchises which include FarmVille (FarmVille, FarmVille 2, FarmVille 2: Country Escape), Slots (Wizard of Oz Slots and Hit It Rich! Slots), Zynga Poker and With Friends (Words With Friends, Words On Tour, Word Streak With Friends, among others); investment in new game development, marketing for new game launches and core infrastructure in data and analytics; our ability to build on our social legacy in both our web games and our new mobile games and build a player network across mobile games; our ability to accurately forecast our upcoming game launches and bookings and revenue related to upcoming game launches and the performance of our existing games; our ability to operate in an entrepreneurial manner, innovate on game mechanics, and leverage data and analytics in our operations; our ability to utilize, protect, defend and enforce our intellectual property; and market opportunity in the social gaming market, including the mobile market, the advertising market, the market for social game categories in which we invest, and our ability to capitalize on and contribute to this market opportunity.

Forward-looking statements often include words such as “outlook,” “project,” “plan,” “intend,” “could,” “should,” “would,” “will,” “might,” “anticipate,” “estimate,” “continue,” “believe,” “may,” “target,” “expect,” or similar expressions, or the negative or plural of these words or expressions and statements in the future tense are generally forward-looking. The achievement or success of the matters covered by such forward-looking statements is subject to a number of risks, uncertainties, and assumptions. Moreover, we operate in a very competitive and rapidly changing environment and industry. New risks may also emerge from time to time. It is not possible for our management to predict all of the risks related to our business and operations, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements we may make and reported results should not be considered as an indication of our future performance. Factors that could cause or contribute to such differences include, but are not limited to, the ability of key games, including our franchise games, to sustain or grow audiences, bookings and engagement; our relationship with Facebook, changes in the Facebook platform and/or changes in our agreement with Facebook; our relationship with Apple, Google and other Android platform providers, changes in the Android or iOS platforms and/or changes in our agreements with Apple, Google and/or other Android platform providers; our relationship and/or agreements with key licensing partners, additional platform providers or any key partners; the effectiveness of our cost-cutting activities and our ability to control and reduce expenses, including our estimated savings and charges associated with our restructuring efforts; our ability to efficiently deploy employees, leverage our teams and talent, including shifting resources when necessary to prioritize more important projects; our ability to retain and attract new talent; our ability to work as a team to execute against our strategy; our use of working capital in general; attrition or decline in existing games, including franchise games; our ability to launch and monetize successfully new games and features for web and mobile in a timely manner and the success of these games and features, including planned features for our existing games; the process of integrating NaturalMotion Limited’s (“NaturalMotion’s”) operations into our operations, including but not limited to our expected ability to expand our creative pipeline, accelerate our growth on mobile and deliver hit NaturalMotion games in 2015; planned launches from our franchises and planned launches in the five content categories where we are focused; the ability of our games to generate revenue and bookings for a significant period of time after launch and the timing for market acceptance of new games; the effectiveness of our marketing program and initiatives and our ability to obtain game featuring from partners; our ability to understand industry trends, such as seasonality, and position our business to take advantage of these trends; our ability to successfully monitor and adapt to changes in gaming platform and consumer demand as the industry continues to evolve; our ability to run successful in game advertising campaigns; our exposure to illegitimate credit card activity and other security risks, including sales or purchases of virtual goods used in our games through unauthorized or illegitimate third-party websites; our ability to anticipate and address technical challenges that may arise; our ability to protect our players’ information and adequately address privacy concerns; our ability to maintain technology infrastructure and employees that can efficiently and reliably handle increased player usage, changes in mobile devices and game platforms, fast load times and the rapid deployment of new features and products; our ability to maintain reliable security services and infrastructure to protect against security breaches, computer malware and hacking attacks; competition in our industry; changing interests of players; our exposure to intellectual property disputes and other litigation; asset impairment charges; our evaluation of new business opportunities and acquisitions by us, including integration of newly acquired businesses; our future spend, including spend on R&D and marketing and our future margins; our ability to renew our existing brand, technology and content licenses as they expire and secure new licenses for top brands; our ability to manage risks, costs and other challenges associated with international expansion; the impact of laws and regulations on our business; and changes in corporate strategy or management.

More information about factors that could affect our operating results is included under the captions “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for the year ended December 31, 2014, our Quarterly report on Form 10-Q for the three months ended March 31, 2015, and, when filed, our Quarterly report on Form 10-Q for the three months ended June 30, 2015, copies of which may be obtained by visiting our Investor Relations web site at http://investor.zynga.com or the SEC’s web site at www.sec.gov. Undue reliance should not be placed on the forward-looking statements in this press release, which are based on information available to us on the date hereof. There is no guarantee that the circumstances described in our forward-looking statements will occur. Except as required by law, we assume no obligation to update any forward-looking statements for any reason to conform these statements to actual results or to changes in our

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expectations. The results we report in our Quarterly Report on Form 10-Q for the quarter ended June 30, 2015 could differ from the preliminary results we have announced in this press release.

Non-GAAP Financial Measures

We have provided in this release non-GAAP financial information including bookings, Adjusted EBITDA, non-GAAP net loss, non-GAAP operating expense, free cash flow, non-GAAP provision for (benefit from) income taxes, and non-GAAP net loss per share, as a supplement to the consolidated financial statements, which are prepared in accordance with United States generally accepted accounting principles (“GAAP”). Management uses these non-GAAP financial measures internally in analyzing our financial results to assess operational performance and liquidity. The presentation of this financial information is not intended to be considered in isolation or as a substitute for the financial information prepared in accordance with GAAP. We believe that both management and investors benefit from referring to these non-GAAP financial measures in assessing our performance and when planning, forecasting and analyzing future periods. We believe these non-GAAP financial measures are useful to investors because they allow for greater transparency with respect to key financial metrics we use in making operating decisions and because our investors and analysts use them to help assess the health of our business. We have provided reconciliations between our historical and third quarter 2015 outlook for non-GAAP financial measures to the most directly comparable GAAP financial measures. Reconciliations of non-GAAP financial measures to the most recent directly comparable GAAP financial measures for the first quarter 2015 may be found in our quarterly report on Form 10-Q for the three months ended March 31, 2015, and our press release announcing first quarter 2015 financial results included as Exhibit 99.1 to our current report on Form 8-K , filed with the Securities and Exchange Commission on May 6, 2015, copies of which may be obtained by visiting our Investor Relations web site at http://investor.zynga.com or the SEC’s web site at www.sec.gov.

Some limitations of bookings, Adjusted EBITDA, non-GAAP net loss, non-GAAP operating expense, free cash flow, non-GAAP provision for (benefit from) income taxes, and non-GAAP net loss per share:

Because of these limitations, you should consider bookings, Adjusted EBITDA, non-GAAP net income (loss), non-GAAP operating expense, free cash flow, non-GAAP provision for (benefit from) income taxes, and non-GAAP net income (loss) per share, along with other financial performance measures, including revenue, net income (loss), diluted net loss per share, cash flow from operations, GAAP operating expense, GAAP operating margin and our other financial results presented in accordance with GAAP. See the GAAP to non-GAAP reconciliations below for further details.

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Contacts

Investors – Melissa Fisher

415-339-5266

investors@zynga.com

Press – Stephanie Hess

415-503-0303

press@zynga.com

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ZYNGA INC.

CONSOLIDATED BALANCE SHEETS

(In thousands, unaudited)

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ZYNGA INC.

CONSOLIDATED STATEMENTS OF OPERATIONS

(In thousands, except per share data, unaudited)

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ZYNGA INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands, unaudited)

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ZYNGA INC.

RECONCILIATION OF GAAP TO NON-GAAP RESULTS

(In thousands, except per share data, unaudited)

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ZYNGA INC.

RECONCILIATION OF GAAP TO NON-GAAP THIRD QUARTER 2015 OUTLOOK

(In thousands, except per share data, unaudited)

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