Exhibit 31 FEDERAL IDENTIFICATION NO. 06-0513860 FEE: $250.00 The Commonwealth of Massachusetts William Francis Galvin Secretary of the Commonwealth One Ashburton Place, Boston, Massachusetts 02108-1512 ARTICLES OF MERGER OF PARENT AND SUBSIDIARY CORPORATIONS (General Laws, Chapter 156B, Section 82) We, Robert D. Wachob, *President and Robert M. Soffer, *Clerk of Rogers Corporation, organized under the laws of Massachusetts and herein called the parent corporation, certify as follows: 1. That the subsidiary corporation(s) to be merged into the parent corporation is/are: NAME STATE OF ORGANIZATION DATE OF ORGANIZATION Durel Corporation Delaware June 1, 1988 2. The parent corporation, at the date of the vote, owned not less than ninety percent (90%) of the outstanding shares of each class of stock of the subsidiary corporation or corporations with which it has voted to merge. Item 3 below may be deleted if all the corporations are organized under the laws of Massachusetts and if General Laws, Chapter 156B is applicable to them. 3. That in the case of each of the above named corporations, the laws of the state of its organization, if other than Massachusetts, permit the merger herein described, and that all action required under the laws of each such state in connection with this merger has been duly taken. * Delete the inapplicable words. In case the parent corporation is organized under the laws of a state other than Massachusetts, these articles are to be signed by officers having corresponding powers and duties. 4. That at a meeting of the directors of the parent corporation, the following vote, pursuant to General Laws, Chapter 156B, Section 82, Subsection (a) was duly adopted: Voted: That Rogers Corporation, a Massachusetts corporation, ------ merge, and it hereby does merge into itself Durel Corporation, a Delaware corporation and a wholly-owned subsidiary of Rogers Corporation, and pursuant to such merger this corporation assumes all of Durel Corporation's obligations. Further Voted: That the merger shall become effective at the close ------- of business on December 28, 2003. Further Voted: That the terms and provisions of the Articles of ------- Merger of Parent and Subsidiary Corporations (the "Articles") attached hereto as Exhibit A, and the execution and delivery of the Articles by Robert D. Wachob, President of this corporation, and Robert M. Soffer, Clerk of the corporation, be, and the same hereby are, authorized and approved in all respects. Further Voted: That the merger of Durel Corporation into this ------- corporation, as contemplated by the Articles, may be amended or terminated and abandoned by the Board of Directors of this corporation at any time prior to the time that this merger filed with the Secretary of the Commonwealth of Massachusetts becomes effective. Note: Votes, for which the space provided above is not sufficient, should be listed on additional sheets to be numbered 4A, 4B, etc. Additional sheets must be 8 1/2 x 11 and have a left hand margin of 1 inch. Only one side should be used. THE COMMONWEALTH OF MASSACHUSETTS ARTICLES OF MERGER OF PARENT AND SUBSIDIARY CORPORATIONS (General Laws, Chapter 156B, Section 82) I hereby approve the within Articles of Merger of Parent and Subsidiary Corporations and, the filing fee in the amount of $250.00, having been paid, said articles are deemed to have been filed with me this 16th day of December, 2003. Effective date: December 28th, 2003 ------------------- WILLIAM FRANCIS GALVIN Secretary of the Commonwealth TO BE FILLED IN BY CORPORATION Contact Information: Terrance W. Mahoney LeBoeuf, Lamb, Greene & MacRae L.L.P. 260 Franklin Street, Boston, MA 02110 Telephone: 617-748-6810 Email: tmahoney@llgm.com A copy of this filing will be available on-line at www.state.ma.us/sec/cor once the document is filed. 5. The effective date of the merger shall be the date approved and filed by the Secretary of the Commonwealth. If a later effective date is desired, specify such date, which shall not be more than thirty days after the date of filing: Close of business on December 28, 2003. SIGNED UNDER THE PENALTIES OF PERJURY, this 12th day of December, 2003, Robert D. Wachob, *President/XXXXXXXXX Robert M. Soffer, *Clerk/XXXXXXXXXXXX *Delete the inapplicable words. In case the parent corporation is organized under the laws of a state other than Massachusetts, these articles are to be signed by officers having corresponding powers and duties.