Exhibit 4.13a FIRST AMENDMENT TO RIGHTS AGREEMENT OF MAXICARE HEALTH PLANS, INC. This First Amendment to Rights Agreement of Maxicare Health Plans, Inc. (this "Agreement") is entered into as of October 9, 1998. WHEREAS, Maxicare Health Plans, Inc. (the "Company") entered into a Rights Agreement with American Stock Transfer and Trust dated February 24, 1998; and WHEREAS, at a meeting of the Shareholders of the Company held on July 30, 1998 it was resolved to amend the Rights Agreement as set forth below. NOW, THEREFORE, the parties hereby agree to amend the Rights Agreement as follows: 1. Section 1(h) of the Rights Agreement is hereby amended to read as follows: "(h) "Continuing Directors" shall have the same meaning as "Disinterested Directors" as defined in Section 1(i) hereof." 2. Section 1(i) of the Rights Agreement is hereby amended to read as follows: "(i)" "Disinterested Directors" shall mean the members of the Board of Directors who are not (i) officers or employees of the corporation, (ii) Acquiring Persons or their Affiliates or Associates or representatives of any of them, or (iii) any Person who was directly or indirectly proposed or nominated as a director of the Corporation by an Acquiring Person or a Transaction Person." 3. Amendments. Except as amended herein, the Rights Agreement shall remain in full force and effect. IN WITNESS WHEREOF, the undersigned parties have executed this First Amendment of the Rights Agreement as of the 9th day of October, 1998. MAXICARE HEALTH PLANS, INC. a Delaware corporation /s/ Peter J. Ratican By: Peter J. Ratican, President AMERICAN STOCK TRANSFER & TRUST COMPANY /s/ Herbert J. Lemmer By: Herbert J. Lemmer Vice President</TEXT> </DOCUMENT> <DOCUMENT> <TYPE>EX-27 <SEQUENCE>6 <DESCRIPTION>FDS FOR 9/98 10-Q <TEXT> <ARTICLE> 5 <LEGEND> This schedule contains summary financial information extracted from the September 30, 1998 financial statements and is qualified in its entirety by reference to such financial statements. <MULTIPLIER> 1,000 <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> SEP-30-1998 <PERIOD-TYPE> 9-MOS <CASH> 38,676 <SECURITIES> 21,459 <RECEIVABLES> 46,290 <ALLOWANCES> 6,477 <INVENTORY> 0 <CURRENT-ASSETS> 126,252 <PP&E> 23,143 <DEPRECIATION> 21,804 <TOTAL-ASSETS> 141,993 <CURRENT-LIABILITIES> 82,812 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 179 <OTHER-SE> 58,755 <TOTAL-LIABILITY-AND-EQUITY> 141,993 <SALES> 553,462 <TOTAL-REVENUES> 557,715 <CGS> 522,427 <TOTAL-COSTS> 579,495 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 64 <INCOME-PRETAX> (21,844) <INCOME-TAX> 0 <INCOME-CONTINUING> (21,844) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (21,844) <EPS-PRIMARY> (1.22) <EPS-DILUTED> (1.22)