AMENDMENT TO THE PARTICIPATION AGREEMENT

Exhibit 27(h)(88)

AMENDMENT TO THE PARTICIPATION AGREEMENT

This Agreement is made by and among Security Life of Denver Insurance Company ("Company"), M Fund, Inc. ("Fund") and M Financial Investment Advisers, Inc. ("Adviser") (collectively, the "Parties").

WHEREAS, the Parties executed a Participation Agreement dated December 1, 2000 (the "Participation Agreement") governing how shares of the Funds’ portfolios are to be made available to certain variable life insurance and/or variable annuity contracts (the "Contracts") offered by the Company through certain separate accounts (the "Separate Accounts");

WHEREAS, the Parties have agreed that it is in their interests to add additional Separate Accounts and funding options to the Participation Agreement;

NOW, THEREFORE, in consideration of their mutual promises, the Parties agree as follows:

1. The Participation Agreement is hereby amended by substituting for the current Schedule 1 an amended Schedule 1 in the form attached hereto which adds certain additional Separate Accounts to the Magnastar Contract.
2. The Participation Agreement is hereby amended by substituting for the current Schedule 2 an amended Schedule 2 in the form attached hereto which adds certain investment options to the list of those funding the Separate Accounts.

M FUND, INC.			SECURITY LIFE OF DENVER INSURANCE COMPANY
By:	/s/ Xxxxxx X. Xxxxx		By:	/s/ Xxxxxxxx X. Xxxxxx
Name:	Xxxxxx X. Xxxxx		Name:	Xxxxxxxx X. Xxxxxx
Title:	President		Title:	Vice President and Illustration Actuary
M FINANCIAL INVESTMENT ADVISERS, INC.
By:	/s/ Xxxxxx X. Xxxxx
Name:	Xxxxxx X. Xxxxx
Title:	President

Schedule 1 – Amendment

Effective as of May 1, 2003, the following separate accounts of the Company and Contracts are hereby added to this Schedule 1 and made subject to the Agreement:

Name on Account	Type of Product Supported by Account	Name of Product
Security Life Separate Account SLDM1	Variable Universal Life	Magnastar
Security Life Separate Account SLDM2	Variable Universal Life	Magnastar
Security Life Separate Account SLDM3	Variable Universal Life	Magnastar
Security Life Separate Account SLDM4	Variable Universal Life	Magnastar
Security Life Separate Account L1	Variable Universal Life	FirstLine
Security Life Separate Account L1	Variable Universal Life	FirstLine II
Security Life Separate Account L1	Variable Universal Life	Strategic Advantage
Security Life Separate Account L1	Variable Universal Life	Strategic Advantage II
Security Life Separate Account L1	Variable Universal Life	Asset Portfolio Manager
Security Life Separate Account L1	Variable Universal Life	Variable Survivorship
Security Life Separate Account L1	Variable Universal Life	Estate Designer
Security Life Separate Account L1	Variable Universal Life	Corporate Benefits
Security Life Separate Account L1	Variable Universal Life	Strategic Investor

IN WITNESS WHEREOF, the Fund, the Adviser, and the Company hereby amend this Schedule 1 in accordance with Article XI of the Agreement.

M FUND, INC.			SECURITY LIFE OF DENVER INSURANCE COMPANY
By:	/s/ Xxxxxx X. Xxxxx		By:	/s/ Xxxxxxxx X. Xxxxxx
Name:	Xxxxxx X. Xxxxx		Name:	Xxxxxxxx X. Xxxxxx
Title:	President		Title:	Vice President and Illustration Actuary
M FINANCIAL INVESTMENT ADVISERS, INC.
By:	/s/ Xxxxxx X. Xxxxx
Name:	Xxxxxx X. Xxxxx
Title:	President

Schedule 2 – Amendment

Effective as of May 1, 2003, this Schedule 2 is hereby amended to reflect the following changes in Fund Series and other funding vehicles:

Contract Marketing Name:

Magnastar Variable Universal Life

FirstLine Variable Universal Life

FirstLine II Variable Universal Life

Strategic Advantage Variable Universal Life

Strategic Advantage II Variable Universal Life

Asset Portfolio Manager Variable Universal Life

Variable Survivorship Universal Life

Estate Designer Variable Universal Life

Corporate Benefits Variable Universal Life

Strategic Investor Variable Universal Life

M Fund, Inc. Fund Series:

Xxxxxxx International Equity Fund

Frontier Capital Appreciation Fund

Xxxxxx Core Growth Fund

Business Opportunity Value Fund

Other Funding Vehicles:

AIM Variable Insurance Funds

The Xxxxx American Fund

American Funds Insurance Series

Fidelity Variable Insurance Products Fund

Xxxxxx Multi Strategy Fund

ING Income Shares

ING Investors Trust (f/k/a The GCG Trust )

ING Partners, Inc.

ING Variable Portfolios, Inc.

ING Variable Products Trust

INVESCO Variable Investment Funds, Inc.

Janus Aspen Series

Xxxxxxxxx Xxxxxx Advisers Management Trust

Pioneer Investment Management, Inc.

Xxxxxx Variable Trust

Xxxxx Multi-Strategy Arbitrage Fund

Xxx Xxx Worldwide Insurance Trust

IN WITNESS WHEREOF, the Fund, the Adviser, and the Company hereby amend this Schedule 2 in accordance with Article XI of the Agreement.

M FUND, INC.			SECURITY LIFE OF DENVER INSURANCE COMPANY
By:	/s/ Xxxxxx X. Xxxxx		By:	/s/ Xxxxxxxx X. Xxxxxx
Name:	Xxxxxx X. Xxxxx		Name:	Xxxxxxxx X. Xxxxxx
Title:	President		Title:	Vice President and Illustration Actuary
M FINANCIAL INVESTMENT ADVISERS, INC.
By:	/s/ Xxxxxx X. Xxxxx
Name:	Xxxxxx X. Xxxxx
Title:	President