ABU DHABI: Abu Dhabi's state investor Mubadala Investment Co on Sunday reported an 11.5 percent rise in operating income in 2017, but its net income remained flat.

Last year its four business sectors saw revenues rise, financial investments appreciated in value and Mubadala gained from divestments, the company said in a statement.

Its business sectors include Aerospace, Renewables & Information Communication Technology (ICT); Alternative Investments & Infrastructure; Petroleum & Petrochemicals and Technology, Manufacturing & Mining.

"Our integrated portfolio enabled us to increase investments in existing companies and monetize mature assets, while entering new sectors in key international markets where we see long-term growth potential and alignment with Abu Dhabi’s strategic priorities," said Khaldoon al Mubarak, group chief executive & managing director.

Mubadala reported an operating income of 10.7 billion dirhams ($2.9 billion), up from 9.6 billion dirhams in 2016, it said in a statement.

Mubadala did not provide full details, but a spokesman told Reuters its net profit attributable to shareholders in 2017 was 4.9 billion dirhams, the same as in the previous year.

The company, formed through the merger of Mubadala Development Company and International Petroleum Investment Co in 2017, said total assets rose to 469.4 billion dirhams at the end of 2017, up from 449.7 billion dirhams at the end of 2016.

It reported total comprehensive income of 10.3 billion dirhams, compared to 5.1 billion dirhams in 2016.

Mubadala's assets have grown to about $200 billion after Abu Dhabi Investment Council joined the investment firm in March as part of a consolidation of hundreds of billions of dollars worth of state funds.  Revenues totalled 165.6 billion dirhams in 2017 versus 145.4 billion dirhams in the previous year helped largely by the company's upstream, petrochemicals and semi conductor business. Unlisted Mubadala, which has stakes in General Electric GE.N and private equity firm Carlyle Group CG.O , said in March it is considering a partial or total sale of Spanish oil and gas company Cepsa and use the proceeds for expansion .

Mubadala halted talks to buy Dubai-based Abraaj’s investment business after holding initial talks last month, sources told Reuters ID ($1 = 3.6730 UAE dirham)

(Reporting By Stanley Carvalho; Editing by Alexandra Hudson) ((Tom.Arnold@thomsonreuters.com; +97144536265; Reuters Messaging: tom.arnold.thomsonreuters.com@reuters.net))

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