RIYADH: The Saudi Fund for Development has so far financed developmental projects in the Sultanate of Oman to the tune of 11 billion Saudi riyals (equivalent to RO 1.1 billion approx.) since 1977.
https://www.omanobserver.om/article/1145174/business/markets/saudi-funds-financing-support-for-oman-projects-totals-ro-11-bn