Embassy of Saudi Arabia issued the following announcement on April 10.
An official source at the Ministry of Foreign Affairs expressed that the Kingdom of Saudi Arabia welcomes the United States decision to designate Iran's Revolutionary Guard a terrorist organization.
The source commended the U.S. decision and described it as a practical and a serious step in the efforts to combat terrorism, adding that the U.S. decision translates the Kingdom's repeated calls to the international community for the need to combat the Iranian-backed terrorism.
In the end of the statement, the source stressed that the international community should take a firm stance to address the role played by the Iranian Revolutionary Guard in undermining international peace and security.
Original source: https://www.saudiembassy.net/news/ksa-welcomes-us-decision-designate-irans-revolutionary-guard-terrorist-organization