5 0000022701 COMMUNICATIONS SYSTEMS, INC. 1 U.S. DOLLARS 9-MOS DEC-31-1999 JAN-01-1999 SEP-30-1999 1 15,479,792 0 21,120,712 1,131,689 19,255,948 56,953,738 31,913,634 21,025,691 89,192,719 24,537,697 0 0 0 427,969 64,227,053 89,192,719 85,682,922 85,682,922 56,610,922 56,610,922 21,140,877 0 510,546 8,141,646 1,820,000 6,321,646 0 0 0 6,321,646 0.73 0.72