X0306 4 2020-09-01 0 0001371489 Information Services Group Inc. III 0001249201 CONNORS MICHAEL P 2187 ATLANTIC ST STAMFORD CT 06902 1 1 0 0 Chairman & CEO Shares of Common Stock 2020-09-01 4 A 0 390244 0 A 5762000 D Performance-based RSUs 2020-09-01 4 A 0 487805 0 A 2023-09-01 2023-09-01 Common Stock 487805 487805 D Represents restricted stock units (RSUs)granted to the reporting person pursuant to the Information Services Group, Inc. Amended and Restated 2007 Equity and Incentive Award Plan, which will vest in 4 equal installments on each of the first, second, third and fourth anniversaries of September 1, 2020. Represents a grant of RSUs that may be earned based on achievement of market price goals, which will be measured at the average closing price of the Issuer's common stock over the ten-trading-day period prior to and including the third anniversary of the date of grant. 50% of the number of RSUs reported above will be earned if the measured market price is between $5.25 and $6.00 and 100% of the RSUs will be earned if the measured market price is $8 or above, with straight-line interpolation of the number of earned RSUs if the measured market price is between $6 and $8. Unearned RSUs will be canceled. Market price goals are subject to adjustment for stock splits and certain other corporate events. Once determined, any such earned RSUs will be fully vested. David E. Berger, as attorney-in-fact 2020-09-03