Rogers Corporation – Underwriting Agreements Watch

from SCHEDULE 13D/A 2 pages Transactions in the Securities of the Issuer During the Past Sixty Days Nature of the Transaction Amount of Securities (Sold) Price ($) Date of Sale Starboard Value and Opportunity Master Fund Ltd

from SCHEDULE 13D/A ~5 pages Transactions in the Securities of the Issuer During the Past Sixty Days Nature of the Transaction Amount of Securities (Sold) Price ($) Date of Sale Starboard Value and Opportunity Master Fund Ltd Sale of Common Stock (10,840) 86.7500 10/24/2025 Sale of Common Stock (20,390) 86.9230 10/24/2025 Sale of Common Stock (4,545) 86.4320 10/27/2025 Sale of Common Stock (169,962) 83.4190 10/29/2025 Sale of Common Stock (43,736) 83.9600 10/29/2025 Starboard Value and Opportunity S LLC Sale of Common Stock (2,762) 86.9230 10/24/2025 Sale of Common Stock (1,468) 86.7500 10/24/2025 Sale of Common Stock (616) 86.4320 10/27/2025 Sale of Common Stock (23,021) 83.4190 10/29/2025 Sale of Common Stock (5,924) 83.9600 10/29/2025 Sale of Common Stock (31,362) 85.8100 10/31/2025 Starboard Value and Opportunity Master Fund L LP Sale of Common Stock (566) 86.7500 10/24/2025 Sale of Common Stock (1,064) 86.9230 10/24/2025 Sale of Common Stock (237) 86.4320 10/27/2025 Sale of Common Stock (8,870) 83.4190 10/29/2025 Sale of Common Stock (2,282) 83.9600 10/29/2025 Starboard X Master Fund Ltd Sale of Common Stock (3,684) 86.7500 10/24/2025 Sale of Common Stock (6,930) 86.9230 10/24/2025 Sale of Common Stock (1,544) 86.4320 10/27/2025 Sale of Common Stock (57,763) 83.4190 10/29/2025 Sale of Common Stock (14,864) 83.9600 10/29/2025 Starboard Value LP (Through the Starboard Value LP Account) Sale of Common Stock (2,634) 86.7500 10/24/2025 Sale of Common Stock (4,954) 86.9230 10/24/2025 Sale of Common Stock (1,104) 86.4320 10/27/2025 Sale of Common Stock (41,296) 83.4190 10/29/2025 Sale of Common Stock (10,627) 83.9600 10/29/2025

from SCHEDULE 13D 1 page Directors and Officers of Starboard Value and Opportunity Master Fund Ltd and Starboard X Master Fund Ltd

from 10-K ~20 pages Management's Discussion and Analysis

from 10-Q 1 page Underwriting agreement

from 10-Q 1 page Underwriting agreement

from 10-K ~10 pages Underwriting agreement

from 10-K ~20 pages Underwriting agreement

from 8-K 1 page Underwriting agreement

from 10-K 1 page Exhibit 1 - Rogers Corp. 1993 Annual Report 10-K