Kraft Foods Group Heinz and Kraft have just announced a merger that will make the unified companies into the fifth-largest food and beverage company in the world, according to a press release.

Berkshire Hathaway and 3G Capital are investing $10 billion in the combined company, which will be called The Kraft Heinz Company.

Kraft is a $36 billion company that makes Velveeta cheese and Oscar Mayer meats. Heinz is known for its ketchup.

The combined companies will generate about $28 billion in annual revenues.

Each Kraft shareholder will get a $16.50 cash dividend, according to the release. Shareholders will also have a 49% stake in the combined company.

Existing Heinz shareholders will own 51% of the new company, according to the release.

"I am delighted to play a part in bringing these two winning companies and their iconic brands together," Berkshire Hathaway CEO Warren Buffett said in a statement.

"This is my kind of transaction, uniting two world-class organizations and delivering shareholder value. I'm excited by the opportunities for what this new combined organization will achieve."

After reports of the merger surfaced Tuesday, shares of Kraft rose as much as 16.5% to $71.44 in trading after the bell, according to Reuters.

Kraft is now up 15% premarket:

Here's the official release:

PITTSBURGH and NORTHFIELD, Ill., March 25, 2015 /PRNewswire/ -- H.J. Heinz Company and Kraft Foods Group, Inc. (NASDAQ: KRFT) today announced that they have entered into a definitive merger agreement to create The Kraft Heinz Company, forming the third largest food and beverage company in North America with an unparalleled portfolio of iconic brands.

Under the terms of the agreement, which has been unanimously approved by both Heinz and Kraft's Boards of Directors, Kraft shareholders will own a 49% stake in the combined company, and current Heinz shareholders will own 51% on a fully diluted basis. Kraft shareholders will receive stock in the combined company and a special cash dividend of $16.50 per share. The aggregate special dividend payment of approximately $10 billion is being fully funded by an equity contribution by Berkshire Hathaway and 3G Capital.

The proposed merger creates substantial value for Kraft shareholders. The special cash dividend payment represents 27% of Kraft's closing price as of March 24, 2015. Also, by continuing to own shares of the new combined company, Kraft shareholders will have the opportunity to participate in the new company's long-term value creation potential.

Global Brand Portfolio Powerhouse

The combination of these iconic food companies joins together two portfolios of beloved brands, including Heinz, Kraft, Oscar Mayer, Ore-Ida and Philadelphia. Together the new company will have eight $1+ billion brands and five brands between $500 million and $1 billion. The complementary nature of the two brand portfolios presents substantial opportunity for synergies, which will result in increased investments in marketing and innovation.

Alex Behring, Chairman of Heinz and the Managing Partner at 3G Capital, said, "By bringing together these two iconic companies through this transaction, we are creating a strong platform for both U.S. and international growth. Our combined brands and businesses mean increased scale and relevance both in the U.S. and internationally. We have the utmost respect for the Kraft business and its employees, and greatly look forward to working together as we integrate the two companies."

Warren Buffett, Chairman and CEO of Berkshire Hathaway said, "I am delighted to play a part in bringing these two winning companies and their iconic brands together. This is my kind of transaction, uniting two world-class organizations and delivering shareholder value. I'm excited by the opportunities for what this new combined organization will achieve."

"Together we will have some of the most respected, recognized and storied brands in the global food industry, and together we will create an even brighter future," said John Cahill, Kraft Chairman and Chief Executive Officer. "This combination offers significant cash value to our shareholders and the opportunity to be investors in a company very well positioned for growth, especially outside the United States, as we bring Kraft's iconic brands to international markets. We look forward to uniting with Heinz in what will be an exciting new chapter ahead."

"We are thrilled about the unique opportunities this merger will create for our consumers worldwide, as well as our employees and business partners. Together, Heinz and Kraft will be able to achieve rapid expansion while delivering the quality, brands and products that our consumers love," said Bernardo Hees, Heinz Chief Executive Officer. "Over the past two years, we have transformed Heinz into one of the most efficient and profitable food companies in the world while reinvesting behind our key brands and continuing our relentless commitment to quality and innovation."

Management and Governance

When the transaction closes, Alex Behring, Chairman of Heinz and the Managing Partner at 3G Capital, will become the Chairman of The Kraft Heinz Company. John Cahill, Kraft Chairman and Chief Executive Officer, will become Vice Chairman and chair of a newly formed operations and strategy committee of the Board of Directors.

Bernardo Hees, Chief Executive Officer of Heinz, will be appointed Chief Executive Officer of The Kraft Heinz Company. The new executive team for the combined global company will be announced during the transition period, but no later than transaction closing.

The Board of Directors of the combined company will consist of five members appointed by the current Kraft Board, as well as the current Heinz Board, including three members from Berkshire Hathaway and three members from 3G Capital.

Long-Term Ownership

3G Capital and its principals have a proven track record of investing in and growing iconic brands. In previous transactions over the years, 3G has partnered with other long-term investors to build significant shareholder value by driving innovation and growth and expanding the international reach of its companies and brands.

Berkshire Hathaway and 3G Capital have a history of successful partnerships and are committed to long-term ownership of The Kraft Heinz Company as it strengthens its leadership position in the industry.

Commitment to Communities

The Kraft Heinz Company will be co-headquartered in Pittsburgh and the Chicago area.

Understanding the need to preserve both Heinz and Kraft's heritage in their respective hometowns of Pittsburgh and the Chicago area, the new company is committed to supporting local charities and community relationships in the communities in which they operate.

Structure, Terms and Synergies

Existing Heinz shareholders will have a 51% ownership stake in the combined company, and existing Kraft shareholders will have a 49% ownership stake on a fully diluted basis. Each share of Kraft will be converted into one share of The Kraft Heinz Company.

The significant synergy potential includes an estimated $1.5 billion in annual cost savings implemented by the end of 2017. Synergies will come from the increased scale of the new organization, the sharing of best practices and cost reductions.

The transaction is expected to be EPS accretive by 2017. Once the transaction is complete, The Kraft Heinz Company plans to maintain Kraft's current dividend per share, which is expected to increase over time. Kraft has no plans to change its dividend prior to closing.

The special cash dividend of $10 billion in the aggregate to existing Kraft shareholders will be paid upon closing and will be funded by an equity investment by Berkshire Hathaway and 3G Capital. Shares of the company will continue to be publicly traded.

As the cash consideration is fully funded by common equity from Berkshire Hathaway and 3G Capital, the merger is not expected to increase the debt levels of The Kraft Heinz Company. The Company is fully committed to deleveraging in a timely manner and to maintaining an investment grade rating going forward.

Approvals

The transaction is subject to approval by Kraft shareholders, receipt of regulatory approvals and other customary closing conditions and is expected to close in the second half of 2015.

Advisors

Lazard served as exclusive financial advisor for Heinz, and Cravath, Swaine & Moore and Kirkland and Ellis acted as legal advisors.

Centerview Partners LLC served as exclusive financial advisor for Kraft, and Sullivan & Cromwell acted as legal advisor.

Investor Call Details

Kraft and Heinz will host a conference call with investors to discuss the announcement at 8:30 a.m. EDT.

Live Event Dial-in Details:

Participant Toll-Free Dial-In Number: (888) 350-0137

Participant International Dial-In Number: +1 (970) 315-0478

Access code: 14828205

To ensure timely access, participants should dial in approximately 10 minutes before the call starts. A listen-only webcast will be available in the Investor Center section of Kraft's Web site at ir.kraftfoodsgroup.com under "Events & Presentations."

A replay of the conference call will be available until April 5, 2015, by calling (855) 859-2056 from the United States and Canada or +1 (404) 537-3406 from other locations. The access code for the replay is 14828205. An archive of the webcast will be available for one year following the conference call on Kraft's Web site.

Media Conference Call Details

There will be a call for media on Wednesday, March 25, 2015, at 10:00 a.m. EDT.

Dial-in Details:

Participant Toll-Free Dial-In Number: (866) 966-5335

Participant International Dial-in Number: +44 (0) 20 3003 2666

ABOUT HEINZ

H.J. Heinz Company, offering "Good Food Every Day"™ is one of the world's leading marketers and producers of healthy, convenient and affordable foods specializing in ketchup, sauces, meals, soups, snacks and infant nutrition. Heinz provides superior quality, taste and nutrition for all eating occasions whether in the home, restaurants, the office or "on-the-go." Heinz is a global family of leading branded products, including Heinz® Ketchup, sauces, soups, beans, pasta and infant foods (representing over one third of Heinz's total sales), Ore-Ida® potato products, Weight Watchers® Smart Ones® entrees, T.G.I. Friday's® snacks, and Plasmon infant nutrition. Heinz is famous for its iconic brands on six continents, showcased by Heinz® Ketchup, The World's Favorite Ketchup®.

ABOUT KRAFT FOODS GROUP

Kraft Foods Group, Inc. (NASDAQ: KRFT) is one of North America's largest consumer packaged food and beverage companies, with annual revenues of more than $18 billion. The company's iconic brands include Kraft, Capri Sun, Jell-O, Kool-Aid, Lunchables, Maxwell House, Oscar Mayer, Philadelphia, Planters and Velveeta. Kraft's 22,000 employees in the U.S. and Canada have a passion for making the foods and beverages people love. Kraft is a member of the Standard & Poor's 500 and the NASDAQ-100 indices. For more information about Kraft, visit www.kraftfoodsgroup.com and www.facebook.com/kraft.

ABOUT BERKSHIRE HATHAWAY

Berkshire Hathaway and its subsidiaries engage in diverse business activities including property and casualty insurance and reinsurance, utilities and energy, freight rail transportation, finance, manufacturing, retailing and services. Common stock of Berkshire Hathaway is listed on the New York Stock Exchange, trading symbols BRK.A and BRK.B.

ABOUT 3G CAPITAL

3G Capital is a global investment firm focused on long-term value, with a particular emphasis on maximizing the potential of brands and businesses. The firm and its partners have a strong history of generating value through operational excellence, board involvement, deep sector expertise and an extensive global network. 3G Capital works in close partnership with management teams at its portfolio companies and places a strong emphasis on recruiting, developing and retaining top-tier talent. 3G Capital's main office is in New York City. For more information on 3G Capital, please go to http://www.3g-capital.com.