X0303 4 2010-01-13 0001316360 IHS Inc. IHS 0001024219 STEAD JERRE L C/O IHS INC. 15 INVERNESS WAY EAST ENGELWOOD CO 80112 1 1 0 0 CEO and Chairman of the Board Class A Common Stock 2009-12-23 5 G 0 4000 0 D 102505 D Class A Common Stock 2010-01-13 4 A 0 92667 0 A 195172 D Class A Common Stock 2010-01-13 4 F 0 36361 55.27 D 158811 D Class A Common Stock 258889 I by JMJS Group - II LLLP This award represents performance-based restricted stock units that were settled on January 13, 2010 based upon the determination of the Human Resources Committee of the Board of Directors that certain financial performance goals were achieved. Represents shares withheld for taxes upon vesting of restricted stock units. s/Sean Radcliffe, Attorney-in-Fact for Reporting Person 2010-01-14