0001181431-08-070106 4 1 20081229 20081231 20081231 Foust Michael F 0001307034 4 34 001-32336 081278395 (650) 233-3600 DIGITAL REALTY TRUST, INC. 2730 SAND HILL ROAD, SUITE 280 MENLO PARK CA 94025 Digital Realty Trust, Inc. 0001297996 6798 000000000 MD 1231 560 MISSION STREET SUITE 2900 SAN FRANCISCO CA 94105 (415)738-6500 560 MISSION STREET SUITE 2900 SAN FRANCISCO CA 94105 4 1 rrd228086.xml FORM 4 FOR MICHAEL FOUST (CONVERT AND HOLD)