John Hancock Variable Series Trust I Michele G. Van Leer Chairman and Chief Executive Officer [LOGO] April 30, 2004 State Street Bank and Trust Company Lafayette Corporate Center Legal Division LCC/2S 2 Avenue de Lafayette Boston, MA 02111 Attention: Jean Carr Re: Amended and Restated Custodian Agreement ("Agreement") dated as of January 30, 1995, as amended Gentlemen: This letter will memorialize our mutual agreement to amend the Agreement, effective May 1, May 1, 2004, to reflect name changes for the following six funds: .. Mid Cap Growth Fund (formerly Small/Mid Cap Growth Fund); .. Overseas Equity B Fund (formerly International Opportunities Fund); .. Mid Cap Value B Fund (formerly Small/Mid Cap CORE Fund): .. Overseas Equity C Fund (formerly Emerging Markets Equity Fund); .. Large Cap Growth B Fund (formerly Large Cap Aggressive Growth Fund); and .. Fundamental Value B Fund (formerly Large Cap Value CORE Fund). We have also updated the list of current sub-advisers to all Funds. Please substitute copies of the attached Appendix A for the old copies of Appendix A in your files. Kindly acknowledge receipt of this letter and the attachment, and your agreement with the terms hereof, by signing and returning the duplicate of this letter. Thank you. Sincerely, JOHN HANCOCK VARIABLE SERIES TRUST I -------------------------- Michele G. Van Leer Chairman and CEO Received and agreed to: STATE STREET BANK AND TRUST COMPANY By:______________________________ Name:____________________________ Title:___________________________ APPENDIX A CUSTODIAL AGREEMENT (As of May 1, 2004) Name of Fund Fund Sub-Manager(s) ------------ ------------------- 1. International Equity Index SSgA Funds Management, Inc. 2. Mid Cap Growth (formerly Wellington Management Company, LLP "Small/Mid Cap Growth") 3. Small Cap Growth Wellington Management Company, LLP 4. Small Cap Emerging Growth Wellington Management Company, LLP 5. Earnings Growth Fidelity Management & Research Company 6. Overseas Equity Capital Guardian Trust Company 7. Overseas Equity B (formerly Capital Guardian Trust Company "International Opportunities") 8. Large Cap Value T. Rowe Price Associates, Inc. 9. Global Bond Capital Guardian Trust Company 10. Equity Index SSgA Funds Management, Inc. 11. Managed Independence Investment LLC and Capital Guardian Trust Company 12. Money Market Wellington Management Company, LLP 13. Large Cap Growth Independence Investment LLC 14. Growth & Income Independence Investment LLC and T. Rowe Price Associates, Inc. 15. Real Estate Equity RREEF American L.L.C. and Van Kampen 16. Short-Term Bond Independence Investment LLC 17. Active Bond John Hancock Advisers, LLC., Pacific Investment Management Company LLC and Declaration Management & Research Company 18. Mid Cap Value B (formerly T. Rowe Price Associates, Inc. "Small/Mid Cap CORE") 19. High Yield Bond Wellington Management Company, LLP 20. Bond Index Standish Mellon Asset Management Company LLC 21. Overseas Equity C (formerly Capital Guardian Trust Company "Emerging Markets Equity" 22. Large Cap Growth B (formerly "Large Independence Investment LLC Cap Aggressive Growth") 23. Small Cap Value T. Rowe Price Associates, Inc. and Wellington Management Company, LLP 24. Fundamental Value B (formerly Wellington Management Company, LLP "Large Cap Value CORE") 25. Fundamental Growth Independence Investment LLC 26. Fundamental Value Wellington Management Company, LLP 27. Health Sciences Wellington Management Company, LLP 28. Mid Cap Value T. Rowe Price Associates, Inc. 29. Financial Industries John Hancock Advisors, LLC 30. Total Return Bond Pacific Investment Management Company LLC