Officer and Director Stock Transactions for COMSCORE, INC.

Matthew F. McLaughlin, Chief Executive Officer and Director of COMSCORE, INC. (SCOR), acquired 10,000 shares of Common Stock on June 16, 2026, in a non-derivative transaction with a price of $0.00. This transaction is part of a Restricted Stock Unit award granted on July 1, 2025, under the comScore, Inc. 2018 Equity and Incentive Compensation Plan. The award vested in full on June 16, 2026, and the vested units are deferred for delivery upon separation from service or change in control. Following this transaction, Mr. McLaughlin directly owns 145,739 shares of common stock. Additionally, a derivative transaction involving 10,000 Restricted Stock Units, with an underlying value of 10,000 shares of Common Stock, was disposed of on the same date, resulting in 0 units held post-transaction. Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.