A summit meeting between King Abdullah, Custodian of the Two Holy Mosques, and Swiss President Hans-Rudolf Merz is scheduled to take place in Riyadh on Saturday for official discussions on strengthening relations between the two countries and regional and international developments. President Merz will arrive in the Kingdom on Saturday at the head of an official two-day visit by a government and commercial delegation. The Saudi-Swiss Joint Committee held a meeting in Switzerland in February of this year to discuss the strengthening of economic ties and the promotion of joint investment projects in the two countries. The Swiss president is expected during his visit to sign a number of agreements and memorandums of understanding.