EXHIBIT 10.20 TENANT IMPROVEMENT AND LEASING COMMISSION RESERVE AGREEMENT This TENANT IMPROVEMENT AND LEASING COMMISSION RESERVE AGREEMENT ("Agreement") is made as of January 10, 2002, by and between ILLUMINA, INC., a Delaware corporation, having its...Tenant Improvement and Leasing Commission Reserve Agreement • May 13th, 2002 • Illumina Inc • Laboratory analytical instruments • California
