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RIYADH, SAUDI ARABIA - MAY 20: (----EDITORIAL USE ONLY MANDATORY CREDIT - "BANDAR ALGALOUD / SAUDI ROYAL COUNCIL / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) CEO of ExxonMobil Darren Woods (L) and Yousef Abdullah Al-Benyan (R), Vice Chairman and Chief Executive Officer of SABIC pose for a photo after signing a bilateral agreement, worth 280 billion U.S. dollars, between United States and Saudi Arabia at Al-Yamamah Palace in Riyadh, Saudi Arabia on May 20, 2017. (Photo by Bandar Algaloud / Saudi Royal Council / Handout/Anadolu Agency/Getty Images)

RIYADH, SAUDI ARABIA - MAY 20: (----EDITORIAL USE ONLY MANDATORY CREDIT - "BANDAR ALGALOUD / SAUDI ROYAL COUNCIL / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) CEO of ExxonMobil Darren Woods (L) and Yousef Abdullah Al-Benyan (R), Vice Chairman and Chief Executive Officer of SABIC pose for a photo after signing a bilateral agreement, worth 280 billion U.S. dollars, between United States and Saudi Arabia at Al-Yamamah Palace in Riyadh, Saudi Arabia on May 20, 2017. (Photo by Bandar Algaloud / Saudi Royal Council / Handout/Anadolu Agency/Getty Images)
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