Contract

Exhibit 99-B.8.20
RULE 22C-2 AGREEMENT

This AGREEMENT, dated April 16, 2007, is effective as of the 16th day of October, 2007,
between Ariel Distrbutors, LLC (the “Fund”) as principal underwriter for each of the funds listed
on the attached Schedule A (the “Ariel Mutual Funds”) and ING Life Insurance and Annuity
Company, ING National Trust, ING USA Annuity and Life Insurance Company, ReliaStar Life
Insurance Company, ReliaStar Life Insurance Company of New York, Security Life of Denver
Insurance Company and Systematized Benefits Administrators Inc. (individually an
“Intermediary” and collectively the “Intermediaries”).

WHEREAS, the Intermediaries have adopted policies and procedures to monitor and deter
excessive trading activity within the mutual funds, including the Funds, available through the
variable annuity, variable life insurance and variable retirement plan products which they offer
(the “Variable Products”); and

WHEREAS, the Intermediaries’ policies and procedures to monitor and deter excessive trading
activity within the mutual funds available through their Variable Products are attached hereto
and made part of this Agreement as Schedule B (the “Excessive Trading Policy”);

WHEREAS, the Fund desires for the Intermediaries to monitor and deter excessive trading
activity in the Funds in accordance with the Intermediaries’ Excessive Trading Policy; and

WHEREAS, the parties desire to otherwise comply with the requirements under Rule 22c-2 of
the Investment Company Act of 1940, as amended (“Rule 22c-2”).

NOW, THEREFORE, in consideration of the mutual covenants herein contained, which
consideration is full and complete, the Fund and the Intermediaries hereby agree as follows:

A. Agreement to Monitor and Deter Excessive Trading Activity.

1. The Intermediaries agree to monitor and deter excessive trading activity in the Funds which are available through their Variable Products in accordance with the Intermediaries’ Excessive Trading Policy. Said Excessive Trading Policy may be amended from time to time with the prior written consent of the parties, which consent will not be unreasonably withheld.

2. The Intermediaries agree to provide the Fund the taxpayer identification number (“TIN”), if requested, or any other identifying factor that would provide acceptable assurances of the identity of all shareholders that are restricted to regular U. S. mail trading under the Intermediaries’ Excessive Trading Policy.

B. Agreement to Provide Shareholder Information.

1. Each Intermediary agrees to provide the Fund, upon written request, the following shareholder information with respect to Covered Transactions involving the Funds:

                      a.        The taxpayer identification number (“TIN”) or any other government
                                 issued identifier, if known, that would provide acceptable assurances of
                                 the identity of each shareholder that has purchased, redeemed, transferred

or exchanged shares of a Fund through an account directly maintained by
the Intermediaries during the period covered by the request;

b. The amount and dates of, and the Variable Product(s) associated with,
such shareholder purchases, redemptions, transfers and exchanges; and

c. Any other data mutually agreed upon in writing.

2. Under this Agreement the term “Covered Transactions” are those transactions which the Intermediaries consider when determining whether trading activity is excessive as described in their Excessive Trading Policy.

3. Requests to provide shareholder information shall set forth the specific period for which transaction information is sought. However, unless otherwise agreed to by the Intermediaries, any such request will not cover a period of more than 90 consecutive calendar days from the date of the request. Fund may request transaction information older than 90 days from the date of the request as it deems necessary to investigate compliance with policies established by the Fund for the purpose of eliminating or reducing any dilution of the value of the outstanding shares issued by the Fund.

4. Each Intermediary agrees to provide the requested shareholder information promptly upon receipt of the request, but in no event later than 15 business days after receipt of such request, provided that such information resides in its books and records. If shareholder information is not on the Intermediary’s books and records, the Intermediary agrees to use reasonable efforts to obtain and transmit or have transmitted the requested information from the holder of the account.

C. Agreement to Restrict Trading.

1. Each Intermediary agrees to execute written instructions from the Fund to restrict or prohibit further Covered Transactions involving Fund shares by a shareholder who has been identified by the Fund as having engaged in transactions in shares of a Fund (through an account directly maintained by the Intermediary) that violate the policies and procedures established by the Funds for the purposes of eliminating or reducing frequent trading of Fund shares.

2. Each Intermediary agrees to use reasonable efforts to execute or have executed (for those shareholders whose information is not on the Intermediary’s books and records) the written instructions within 10 Business Days after actual receipt. The Intermediary will provide written confirmation to the Fund as soon as reasonably practicable that such instructions have or have not been executed. If the written instructions have not been executed, then the written confirmation will also provide an explanation.

3. Instructions to restrict or prohibit further Covered Transactions involving Fund shares must include:

                        a.      The reason for requesting the restriction(s) and/or prohibition(s),
                                 supporting details regarding the transaction activity which resulted in the
                                 restriction(s) and/or prohibition(s)s and the applicable sections of the
                                 Fund’s frequent trading policy and procedures that have been violated;

                      b.        The specific restriction(s) and/or prohibition(s) to be executed, including
                                 the length of time such restriction(s) and/or prohibition(s) shall remain in
                                 place;

                      c.        The TIN or any other government issued identifier, if known by the Fund,
                                 that would help the Intermediaries determine the identity of affected
                                 shareholder(s); and

                      d.        Whether such restriction(s) and/or prohibition(s) are to be executed in
                                 relation to all of the affected shareholder’s Variable Products, only the
                                 type of Variable Product(s) through which the affected shareholder
                                 engaged in transaction activity which triggered the restriction(s) and/or
                                 prohibition(s) or in some other respect. In absence of direction from the
                                 Fund in this regard, restriction(s) and/or prohibition(s) shall be executed as
                                 they relate to the Intermediary’s Variable Product(s) through which the
                                 affected shareholder engaged in the transaction activity which triggered
                                 the restriction(s) and/or prohibition(s).

D.      Limitation on Use of Information.

The Fund agrees neither to use the information received from the Intermediary for any purpose
other than to comply with SEC Rule 22c-2 and other applicable laws, rules and regulations, nor
to share the information with anyone other than its employees who legitimately need access to it.
Neither the Fund nor any of its affiliates or subsidiaries may use any information provided
pursuant to this Agreement for marketing or solicitation purposes. The Fund will take such steps
as are reasonably necessary to ensure compliance with this obligation.

If a party to this Agreement becomes aware of any actual or suspected unauthorized access to or
unauthorized use or disclosure to an unauthorized third party of any non-public personal
financial information of a consumer provided or received pursuant to this Agreement and
determines that there is a reasonable likelihood of harm resulting from such access, use or
disclosure, such party promptly shall, at its expense: (i) notify the other party; (ii) investigate the
circumstances relating to such actual or suspected unauthorized access, use or disclosure; (iii)
take commercially reasonable steps to mitigate the effects of such unauthorized access, use or
disclosure and to prevent any reoccurrence; (iv) provide to the other such information regarding
such unauthorized access, use or disclosure as is reasonably required for the other party to
evaluate the likely consequences and any regulatory or legal requirements arising out of such
unauthorized access, use or disclosure; and (v) cooperate with the other party to further comply
with all relevant laws, rules and regulations. The party to this Agreement that causes the
unauthorized access, use or disclosure of such information shall indemnify and hold the other
party, (and any of its directors, officers, employees, or agents) harmless from any damages, loss,
cost, or liability (including reasonable legal fees ) arising in connection with a third party claim
or action brought against the other party resulting from such unauthorized use, access or
disclosure of the information provided or received pursuant to this Agreement.

In the event that the Fund is required by legal process, law, or regulation to disclose any
information received from the Intermediaries pursuant to this Agreement, the Fund shall provide
Intermediaries with prompt written notice of such requirement as far in advance of the proposed
disclosure as possible so that the Intermediaries (at their expense) may either seek a protective
order or other appropriate remedy which is necessary to protect their interests or waive
compliance with this provision to the extent necessary.

E.      Prior Agreements.

The parties acknowledge that prior to the effective date of this Agreement efforts to monitor and
deter excessive trading activity within the Variable Products were governed by whatever
practices the Fund and the Intermediaries agreed to follow in the absence of any formal
agreement. The parties also acknowledge having previously entered into fund participation
and/or selling and service agreements concerning the purchase and redemption of shares of
Funds through the Variable Products. The terms of this Agreement supplement the fund
participation and/or selling and service agreements and to the extent the terms of this Agreement
conflict with the terms of the fund participation and/or selling and service agreements, the terms
of this Agreement will control. This Agreement will terminate upon termination of the fund
participation and/or selling and service agreements.

F.      Notices.

         1.        Except as otherwise provided, all notices and other communications hereunder
shall be in writing and shall be sufficient if delivered by hand or if sent by confirmed facsimile or
e-mail, or by mail, postage prepaid, addressed:

a.	If to Intermediaries, to:
	ING U.S. Financial Services
	Attention: Xxxxxxxxxx Xxxxxxx
	Address:	000 Xxxxxxxxxx Xxxxxx
		Xxxxxxxx, XX 00000-0000
	Phone:	000-000-0000
	Fax:	000-000-0000
	Email:	Xxxxxxxxxx.Xxxxxxx@xx.xxx.xxx

b.	If to the Fund, to:
	Ariel Distributors, LLC
	Attention: Xxxxx Xxxxxxxxx
	Address:	000 Xxxx Xxxxxxxx Xxxxx
		Xxxxx 0000
	Phone:	000-000-0000
	Fax:	000-000-0000
	Email:	xxxxxxxxxx@xxxxxxxxxxxx.xxx

2. The parties may by like notice, designate any future or different address to
which subsequent notices shall be sent. Any notice shall be deemed given when received.

IN WITNESS WHEREOF, each of the parties hereto has caused this Agreement to be executed
in its name and on its behalf by its duly authorized officer as of the date first written above.

ING Life Insurance and Annuity Company		Security Life of Denver Insurance Company
By:	/s/ Xxxxxxxxxx Xxxxxxx	By:	/s/ Xxxxxxxxxx Xxxxxxx
Name	Xxxxxxxxxx Xxxxxxx	Name	Xxxxxxxxxx Xxxxxxx
and Title:	Authorized Representative	and Title:	Authorized Representative

ING National Trust		Systematized Benefits Administrators Inc.
By:	/s/ Xxxxxxxxxx Xxxxxxx	By:	/s/ Xxxxxxxxxx Xxxxxxx
Name	Xxxxxxxxxx Xxxxxxx	Name and	Xxxxxxxxxx Xxxxxxx
and Title:	Authorized Representative	Title:	Authorized Representative

ING USA Annuity and Life Insurance		Ariel Distributors, LLC
Company
By:	/s/ Xxxxxxxxxx Xxxxxxx	By:	/s/ Xxxxxxxxx X. Xxxxxx
Name	Xxxxxxxxxx Xxxxxxx	Name	Xxxxxxxxx X. Xxxxxx
and Title:	Authorized Representative	and Title:	President

ReliaStar Life Insurance Company
By:	/s/ Xxxxxxxxxx Xxxxxxx
Name	Xxxxxxxxxx Xxxxxxx
and Title:	Authorized Representative

ReliaStar Life Insurance Company of New
York
By:	/s/ Xxxxxxxxxx Xxxxxxx
Name	Xxxxxxxxxx Xxxxxxx
and Title:	Authorized Representative

Schedule A

Ariel Distributors, LLC (the “Fund”) is principal underwriter for each series/portfolio of
the following funds:

Ariel Fund
Ariel Appreciation Fund
Ariel Focus Fund

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Schedule B

ING “Excessive Trading” Policy

The ING family of insurance companies (“ING”), as providers of multi-fund variable insurance and
retirement products, has adopted this Excessive Trading Policy to respond to the demands of the various
fund families which make their funds available through our variable insurance and retirement products
to restrict excessive fund trading activity and to ensure compliance with Section 22c-2 of the Investment
Company Act of 1940, as amended. ING’s current definition of Excessive Trading and our policy with
respect to such trading activity is outlined below.

1.	ING actively monitors fund transfer and reallocation activity within its variable insurance and retirement products to identify Excessive Trading.

	ING currently defines Excessive Trading as:

	a.	More than one purchase and sale of the same fund (including money market funds) within a 60 calendar day period (hereinafter, a purchase and sale of the same fund is referred to as a “round-trip”). This means two or more round-trips involving the same fund within a 60 calendar day period would meet ING’s definition of Excessive Trading; or

	b.	Six round-trips within a twelve month period.

	The following transactions are excluded when determining whether trading activity is excessive:

	a.	Purchases or sales of shares related to non-fund transfers (for example, new purchase payments, withdrawals and loans);

	b.	Transfers associated with scheduled dollar cost averaging, scheduled rebalancing or scheduled asset allocation programs;

	c.	Purchases and sales of fund shares in the amount of $5,000 or less;

	d.	Purchases and sales of funds that affirmatively permit short-term trading in their fund shares, and movement between such funds and a money market fund; and

	e.	Transactions initiated by a member of the ING family of insurance companies.

2.	If ING determines that an individual has made a purchase of a fund within 60 days of a prior round- trip involving the same fund, ING will send them a letter warning that another sale of that same fund within 60 days of the beginning of the prior round-trip will be deemed to be Excessive Trading and result in a six month suspension of their ability to initiate fund transfers or reallocations through the Internet, facsimile, Voice Response Unit (VRU), telephone calls to the ING Customer Service Center, or other electronic trading medium that ING may make available from time to time (“Electronic Trading Privileges”). Likewise, if ING determines that an individual has made five round-trips within a twelve month period, ING will send them a letter warning that another purchase and sale of that same fund within twelve months of the initial purchase in the first round-trip in the prior twelve month period will be deemed to be Excessive Trading and result in a six month suspension of their Electronic Trading Privileges. According to the needs of the various business units, a copy of the warning letters may also be sent, as applicable, to the person(s) or entity authorized to initiate fund transfers or reallocations, the agent/registered representative or investment adviser for that individual. A copy of the warning letters and details of the individual’s trading activity may also be sent to the fund whose shares were involved in the trading activity.

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3.	If ING determines that an individual has used one or more of its products to engage in Excessive Trading, ING will send a second letter to the individual. This letter will state that the individual’s Electronic Trading Privileges have been suspended for a period of six months. Consequently, all fund transfers or reallocations, not just those which involve the fund whose shares were involved in the Excessive Trading activity, will then have to be initiated by providing written instructions to ING via regular U.S. mail. During the six month suspension period, electronic “inquiry only” privileges will be permitted where and when possible. A copy of the letter restricting future transfer and reallocation activity to regular U.S. mail and details of the individual’s trading activity may also be sent to the fund whose shares were involved in the Excessive Trading activity.

4.	Following the six month suspension period during which no additional Excessive Trading is identified, Electronic Trading Privileges may again be restored. ING will continue to monitor the fund transfer and reallocation activity, and any future Excessive Trading will result in an indefinite suspension of the Electronic Trading Privileges. Excessive Trading activity during the six month suspension period will also result in an indefinite suspension of the Electronic Trading Privileges.

5.	ING reserves the right to limit fund trading or reallocation privileges with respect to any individual, with or without prior notice, if ING determines that the individual’s trading activity is disruptive, regardless of whether the individual’s trading activity falls within the definition of Excessive Trading set forth above. Also, ING’s failure to send or an individual’s failure to receive any warning letter or other notice contemplated under this Policy will not prevent ING from suspending that individual’s Electronic Trading Privileges or taking any other action provided for in this Policy.

6.	Each fund available through ING’s variable insurance and retirement products, either by prospectus or stated policy, has adopted or may adopt its own excessive/frequent trading policy. ING reserves the right, without prior notice, to implement restrictions and/or block future purchases of a fund by an individual who the fund has identified as violating its excessive/frequent trading policy. All such restrictions and/or blocking of future fund purchases will be done in accordance with the directions ING receives from the fund.

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