1 EXHIBIT 3.21 STATE OF DELAWARE OFFICE OF THE SECRETARY OF STATE -------------------------------- I, EDWARD J. FREEL, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF MERGER, WHICH MERGES: "CHANCELLOR MEDIA CORPORATION OF BOSTON", A DELAWARE CORPORATION, WITH AND INTO "CHANCELLOR MEDIA CORPORATION OF MASSACHUSETTS" UNDER THE NAME OF "CHANCELLOR MEDIA CORPORATION OF MASSACHUSETTS", A CORPORATION ORGANIZED AND EXISTING UNDER THE LAWS OF THE STATE OF DELAWARE, AS RECEIVED AND FILED IN THIS OFFICE THE THIRTY-FIRST DAY OF JULY, A.D. 1998, AT 11 O'CLOCK A.M. A FILED COPY OF THIS CERTIFICATE HAS BEEN FORWARDED TO THE NEW CASTLE COUNTY RECORDER OF DEEDS. /s/ EDWARD J. FREEL ----------------------------------- Edward J. Freel, Secretary of State AUTHENTICATION: 9229078 [SEAL] DATE: 07-31-98 2 CERTIFICATE OF MERGER OF CHANCELLOR MEDIA CORPORATION OF BOSTON INTO CHANCELLOR MEDIA CORPORATION OF MASSACHUSETTS The undersigned corporation, organized and existing under and by virtue of the General Corporation Law of the State of Delaware, DOES HEREBY CERTIFY: FIRST: That the name and state of incorporation of each of the constituent corporations of the merger is as follows: NAME STATE OF INCORPORATION ---- ---------------------- Chancellor Media Corporation of Boston Delaware Chancellor Media Corporation of Massachusetts Delaware SECOND: That a Plan and Agreement of Merger between the parties to the merger has been approved, adopted, certified, executed and acknowledged by each of the constituent corporations in accordance with the requirements of Section 251 of the General Corporation Law of the State of Delaware. THIRD: That the name of the surviving corporation is Chancellor Media Corporation of Massachusetts. FOURTH: The Certificate of Incorporation of Chancellor Media Corporation of Massachusetts shall be the Certificate of Incorporation of the surviving corporation, to remain unchanged until amended in accordance with the provisions thereof and of applicable law. FIFTH: That the executed Plan and Agreement of Merger is on file at the principal place of business of the surviving corporation. The address of the principal place of business of the surviving corporation is 433 E. Las Colinas Blvd., Suite 1130, Irving, Texas 75039. 3 SIXTH: That a copy of the Plan and Agreement of Merger will be furnished by the surviving corporation on request and without cost to any stockholder of any constituent corporation. 2 4 Dated: July 31 ,1998 ---------------------- CHANCELLOR MEDIA CORPORATION OF MASSACHUSETTS By: /s/ ANDREA HULCY ----------------------------------------- Andrea Hulcy Vice President and Assistant Secretary 3 5 STATE OF DELAWARE OFFICE OF THE SECRETARY OF STATE -------------------------------- I, EDWARD J. FREEL, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF AMENDMENT OF "EVERGREEN MEDIA CORPORATION OF MASSACHUSETTS", CHANGING ITS NAME FROM "EVERGREEN MEDIA CORPORATION OF MASSACHUSETTS" TO "CHANCELLOR MEDIA CORPORATION OF MASSACHUSETTS", FILED IN THIS OFFICE ON THE SEVENTEENTH DAY OF OCTOBER, A.D. 1997, AT 4:30 O'CLOCK P.M. A CERTIFIED COPY OF THIS CERTIFICATE HAS BEEN FORWARDED TO THE NEW CASTLE COUNTY RECORDER OF DEEDS FOR RECORDING. /s/ EDWARD J. FREEL ----------------------------------- Edward J. Freel, Secretary of State AUTHENTICATION: 8709859 [SEAL] DATE: 10-20-97 6 CERTIFICATE OF AMENDMENT OF THE CERTIFICATE OF INCORPORATION OF EVERGREEN MEDIA CORPORATION OF MASSACHUSETTS Pursuant to Section 242 of the General Incorporation Law of the State of Delaware, Evergreen Media Corporation of Massachusetts (the "Corporation"), a Delaware corporation, hereby certifies that: 1. The Certificate of Incorporation of the Corporation is hereby amended by deleting the present Article FIRST and inserting in lieu thereof a new Article FIRST, as follows: FIRST: The name of the Corporation (hereinafter sometimes referred to as the "Corporation" is: "CHANCELLOR MEDIA CORPORATION OF MASSACHUSETTS" 2. The Sole Director and Sole Shareholder of the Corporation, by written consent, adopted, approved and ratified the foregoing Amendment. IN WITNESS WHEREOF, the Corporation has caused the Certificate of Amendment to be signed and executed in its corporate name by Omar Choucair, its Vice President, on this 17 day of October, 1997. EVERGREEN MEDIA CORPORATION OF MASSACHUSETTS, a Delaware Corporation By: /s/ OMAR CHOUCAIR ----------------------------- Name: Omar Choucair Title: Vice President 7 STATE OF DELAWARE OFFICE OF THE SECRETARY OF STATE -------------------------------- I, EDWARD J. FREEL, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF AMENDMENT OF "PYRAMID COMMUNICATIONS OF MASSACHUSETTS, INC.", CHANGING ITS NAME FROM "PYRAMID COMMUNICATIONS OF MASSACHUSETTS, INC." TO "EVERGREEN MEDIA CORPORATION OF MASSACHUSETTS", FILED IN THIS OFFICE ON THE SEVENTEENTH DAY OF JANUARY, A.D. 1996, AT 4 O'CLOCK P.M. /s/ EDWARD J. FREEL ----------------------------------- Edward J. Freel, Secretary of State AUTHENTICATION: 7793865 [SEAL] DATE: 01-18-96 8 CERTIFICATE OF AMENDMENT OF THE CERTIFICATE OF INCORPORATION OF PYRAMID COMMUNICATIONS OF MASSACHUSETTS, INC. Pursuant to Section 242 of the General Corporation Law of the State of Delaware, Pyramid Communications of Massachusetts, Inc. (the "Corporation"), a Delaware corporation, hereby certifies that: 1. The Certificate of Incorporation of the Corporation is hereby amended by deleting the present Article FIRST and inserting in lieu thereof a new Article FIRST, as follows: FIRST: The name of the Corporation (hereinafter sometimes referred to as the "Corporation") is: "EVERGREEN MEDIA CORPORATION OF MASSACHUSETTS" 2. The Board of Directors and Stockholders of the Corporation, by written consent, adopted, approved and ratified the foregoing Amendment. IN WITNESS WHEREOF, the Corporation has caused this Certificate of Amendment to be signed and executed in its corporate name by Matthew E. Devine, its assistant secretary, on this 17th day of January, 1996. PYRAMM COMMUNICATIONS OF MASSACHUSETTS, INC., a Delaware corporation By: /s/ Matthew E. Devine ------------------------------- Matthew E. Devine Assistant Secretary 9 STATE OF DELAWARE OFFICE OF THE SECRETARY OF STATE -------------------------------- I, WILLIAM T. QUILLEN, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF INCORPORATION OF "PYRAMID COMMUNICATIONS OF MASSACHUSETTS, INC." FILED IN THIS OFFICE ON THE SEVENTEENTH DAY OF DECEMBER, A.D. 1993, AT 12:15 O'CLOCK P.M. A CERTIFIED COPY OF THIS CERTIFICATE HAS BEEN FORWARDED TO KENT COUNTY RECORDER OF DEEDS FOR RECORDING. * * * * * * * * * * * * /s/ WILLIAM T. QUILLEN --------------------------------------- William T. Quillen, Secretary of State AUTHENTICATION: 4202772 [SEAL] DATE: 121-20-93 10 CERTIFICATE OF INCORPORATION OF PYRAMID COMMUNICATIONS Of MASSACHUSETTS, INC. FIRST: The name of the corporation (hereinafter sometimes referred to as the "Corporation") is: Pyramid Communications of Massachusetts, Inc. SECOND: The address of the registered office of the Corporation in the State of Delaware is 32 Loockerman Square, Suite L-100, Kent County, Dover, Delaware 19901. The name of its registered agent at such address is The Prentice-Hall Corporation System, Inc. THIRD: The purpose of the Corporation is to engage in any lawful act or activity for which corporations may be organized under the General Corporation Law of the State of Delaware. FOURTH: The aggregate number of all classes of shares which the Corporation shall have authority to issue is one thousand (1,000) shares of common stock with a par value of $.01 per share. No holder of shares of the Corporation of any class, now or hereafter authorized, shall have any preferential or preemptive right to subscribe for, purchase or receive any share of the Corporation of any class, now or hereafter authorized, or any options of warrants for such shares, or any rights to subscribe to or purchase such shares, or any securities convertible into or exchangeable for such shares, which may at any time or from time to time be issued, sold or offered for sale by the Corporation; provided, however, that in connection with the issuance or sale of any such shares or securities, the Board of Directors of the Corporation may, in its sole discretion, offer such shares or securities, or any part thereof, for purchase or subscription by the 11 holders of shares of the Corporation, except as may otherwise be provided by this Certificate of Incorporation as from time to time amended. At all times, each holder of common stock of the Corporation shall be entitled to one vote for each share of common stock held by such stockholder standing in the name of such stockholder on the books of the Corporation. FIFTH: The name and address of the Incorporator is as follows: Sylvia L. Adams LATHAM & WATKINS 1001 Pennsylvania Avenue, Suite 1300 Washington, D.C. 20004 SIXTH: In furtherance and not in limitation of the power conferred by statute, the Board of Directors is expressly authorized to make, alter or repeal the Bylaws of the Corporation. SEVENTH: No director of the Corporation shall be liable to the Corporation or its stockholders for monetary damages for the breach of fiduciary duty as a director, except for liability (i) for any breach of the director's duty of loyalty to the Corporation or its stockholders, (ii) for acts or omissions not in good faith or which involved intentional misconduct or a knowing violation of law, (iii) under Section 174 of the Delaware General Corporation Law, or (iv) for any transaction from which the director derived an improper personal benefit. EIGHTH: Election of directors need not be by written ballot unless the Bylaws of the Corporation shall so provide. NINTH: The Corporation reserves the right to amend, alter, change or repeal any provisions contained in this Certificate of Incorporation, in the manner now or hereafter prescribed by the law of the State of Delaware. All rights conferred upon stockholders herein are granted subject to this reservation. 2 12 I, THE UNDERSIGNED, being the sole incorporator hereinbefore named, for the purpose of forming a corporation pursuant to the General Corporation Law of the State of Delaware, do make this certificate, herein declaring and certifying that this is my act and deed and the facts herein stated are true, and accordingly have hereunto set my hand this 16th day of December, 1993. /s/ SYLVIA L. ADAMS ------------------------------ Sylvia L. Adams Incorporator 3