SCL' A. Belic, A. Balaz, D. Vudragovic and I. Smolic visited Mathematical Institute of the Serbian Academy of Sciences and Arts. During the visit Dr. Zoran Markovic, director of the Institute, has signed the accession annex to the Memorandum of Understanding of the Academic and Educational Grid Initiative of Serbia - AEGIS, which makes Mathematical Institute of the Serbian Academy of Sciences and Arts a new official member of AEGIS. Dr. Zoran Ognjanovic presented IBM Linux cluster and HPC-related applications and research projects of the Mathematical Institute. After signing the AEGIS MoU, research ollaboration between two institutes was discussed, with the focus on the "Blue Danube” National Supercomputing Initiative. Subsequent visits of Mathematical Institute staff to SCL are scheduled for August and September.