<Page> AMENDMENT TO PARTICIPATION AGREEMENT The Amended and Restated Participation Agreement dated as of May 1, 2000, by and among OPPENHEIMER VARIABLE ACCOUNT FUNDS, OPPENHEIMERFUNDS, INC. and FIRST ALLMERICA FINANCIAL LIFE INSURANCE COMPANY (the "Agreement") is hereby amended as follows: Schedules A and B of the Agreement are hereby deleted in their entirety and replaced with the Schedules A and B attached hereto, respectively. All other terms and provisions of the Agreement not amended herein shall remain in full force and effect. Effective Date: May 1, 2002 OPPENHEIMER VARIABLE ACCOUNT FUNDS By: /s/ Robert G. Zack ----------------------------- Name: Robert G. Zack ----------------------------- Title: Secretary ----------------------------- OPPENHEIMERFUNDS, INC. By: /s/ Robert G. Zack ----------------------------- Name: Robert G. Zack ----------------------------- Title: Senior Vice President ----------------------------- FIRST ALLMERICA FINANCIAL LIFE INSURANCE COMPANY By: /s/ Mark A. Hug ----------------------------- Name: Mark A. Hug ----------------------------- Title: Vice President ----------------------------- <Page> SCHEDULE A SEPARATE ACCOUNTS AND VARIABLE PRODUCTS <Table> <Caption> VARIABLE LIFE PRODUCTS SEPARATE ACCOUNT PRODUCT NAME 1933 ACT # 1940 ACT # - ---------------- ------------ ---------- ---------- FR1 PremierFocus N/A N/A FR2 PremierFocus N/A N/A FR3 PremierFocus N/A N/A FR4 PremierFocus N/A N/A FQ1 PremierFocus N/A N/A UR1 PremierFocus N/A N/A UR2 PremierFocus N/A N/A UR3 PremierFocus N/A N/A UR4 PremierFocus N/A N/A UQ1 PremierFocus N/A N/A IMO Select Life Plus 333-64162 811-10433 IMO VUL 2001 Survivorship TBD 811-10433 SPVL Select SPL II 333-84310 811-10133 </Table> VARIABLE ANNUITY PRODUCTS <Table> <Caption> SEPARATE ACCOUNT PRODUCT NAME 1933 ACT # 1940 ACT # - ---------------- ------------ ---------- ---------- ExecAnnuity Plus VA-K Allmerica Advantage 33-71052 811-8114 VA-K Immediate Advantage 333-81859 811-8114 Agency C-Shares VA-K (Premier Choice) 333-38276 811-8114 Allmerica Select Select Resource 33-71058 811-8116 Allmerica Select Select Charter 333-63087 811-8116 Allmerica Select Select Reward 333-54070 811-8116 </Table> <Page> SCHEDULE B PORTFOLIOS OF OPPENHEIMER VARIABLE ACCOUNT FUNDS Oppenheimer Aggressive Growth Fund/VA Oppenheimer Main Street Growth & Income Fund/VA Oppenheimer Small Cap Growth Fund/VA Oppenheimer Strategic Bond Fund/VA SERVICE SHARES Oppenheimer Main Street Growth & Income Fund VA Oppenheimer Capital Appreciation Fund VA Oppenheimer Multiple Strategies Fund VA Oppenheimer Global Securities Fund VA Oppenheimer High Income Fund VA